Course: 14SU-HIS-270-G101-CLINICAL PRACTICUM II

Q: A false negative response suggests hearing is:
- better than it actually is
- worse than it actually is
- an accurate pure tone threshold
- thresholds are about 10dB better than reported
A: worse than it actually is
If wrong: worse than it actually is

Q: A hearing healthcare professional is preparing to make an ear impression. Otoscopic inspection reveals cerumen accumulation beyond the second bend in a patient's/client's ear canal.  The cerumen blocks the view of the bottom half of the tympanic membrane.How should the hearing healthcare professional proceed?
- place the otoblock short of the second bend
- recommend cerumen removal
- place the otoblock above the cerumen
- proceed with no otoblock
A: recommend cerumen removal

Q: A hearing healthcare professional is viewing the tympanic membrane during otoscopy.  The hearing healthcare professional is unable to see the cone of light. How should the hearing healthcare professional proceed?
- proceed with audiometric evaluation
- perform real ear measurement
- refer the patient/client to an otolaryngologist
- attach a smaller speculum to the otoscope
A: proceed with audiometric evaluation

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">A normal ear canal is about the diameter of a pencil and has two bends.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">False</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>

Q: A patient/client has abnormal air conduction thresholds and normal bone conduction thresholds. What do the test results indicate?
- no hearing loss
- conductive hearing loss
- sensorineural hearing loss
- mixed hearing loss
A: conductive hearing loss

Q: A patient/client reports hearing static in the right insert earphone during a pure tone air conduction test. How should the hearing healthcare professional proceed?
- proceed with full test battery
- perform a biological test on the equipment
- replace the set of inserts with a different pair
- perform all additional testing with the bone conduction oscillator
A: perform a biological test on the equipment

Q: A sound level meter is:
- a device for measuring the vibration of sound.
- a device for measuring the intensity of sound waves in the air.
- a device for measuring the difference between sound waves in the air and vibrations of the mastoid.
- none of the above.
A: a device for measuring the intensity of sound waves in the air.
If wrong: a device for measuring the intensity of sound waves in the air.

Q: A threshold in audiometry is defined as:
- the level at which a stimuls is perceptible 25% of the time.
- the level at which a stimulus is perceptible 50% of the time.
- the level at which a stimulus is perceptible 75% of the time.
- the level at which a stimulas is perceptible 100% of the time.
A: the level at which a stimulus is perceptible 50% of the time.
If wrong: the level at which a stimulus is perceptible 50% of the time.

Q: A tone that is described at 125dB (no other information) is
- a low pitch tone
- a high pitch tone
- a loud tone
- a soft tone
A: a loud tone
If wrong: a loud tone

Q: Acceptable client responses to pure tones include:
- raising hand or finger
- saying yes
- either a or b
- neither a or b
A: either a or b
If wrong: either a or b

Q: Bone conductions refers to:
- sounds that are conducted to the inner ear by way of the temporal bone.
- sounds that are conducted to the inner ear by way of the outer ear and the middle ear.
- sounds that are conducted to the inner ear by way of the bones of the skull.
- sounds that are conducted to the inner ear by way of the middle ear.
A: sounds that are conducted to the inner ear by way of the bones of the skull.
If wrong: sounds that are conducted to the inner ear by way of the bones of the skull.

Q: Biologic checks are important because:
- are only important if you haven't had your equipment calibrated.
- you are required to do them by most facilities and some state laws.
- you are required to do them for this program.
- improperly working equipment can affect test results.
A: improperly working equipment can affect test results.
If wrong: improperly working equipment can affect test results.

Q: The IA for bone conduction pure tone testing is 40dB
- True
- False
A: False
If right: It's 0 dB - the generally accepted value

Q: If you are testing in the same room as your patient, you should position the patient so that he cannot see your hands
- True
- False
A: True

Q: Audiometers should be calibrated every __________ .
- month
- day
- annually
- bi-annually
A: annually
If wrong: annually

Q: Audiometer headsets should be cleaned:<br>1. as needed.<br>2. daily.<br>3. Unplugged.<br>4. between patients.
- 1, 2, and 3 are correct
- 1 and 3 are correct
- 2 and 4 are correct
- 4 only is correct
- 1, 2, 3, and 4 are all correct.
A: 4 only is correct

Q: An otoscopic examination is necessary before taking an ear impression to determine which of the following?<br>1. The shape of the ear canal<br>2. The presence of a prolapsed ear canal<br>3. The presence of a monomeric membrane<br>4. The presence of cerumen
- 1, 2, and 3 are correct
- 1 and 3 are correct
- 2 and 4 are correct
- 4 only is correct
- 1, 2, 3, and 4 are all correct.
A: 1, 2, 3, and 4 are all correct.

Q: Air conduction refers to:
- sounds that are conducted to the inner ear by way of the eighth nerve.
- sounds that are conducted the inner ear by way of the middle ear.
- sounds that are conducted to the inner ear by way of the outer ear.
- sounds that are conducted to the inner ear by way of the outer ear and the middle ear.
A: sounds that are conducted to the inner ear by way of the outer ear and the middle ear.
If wrong: sounds that are conducted to the inner ear by way of the outer ear and the middle ear.

Q: After initial placement of an otoscope, a hearing healthcare professional is unable to visualize the tympanic membrane during otoscopy.<br>How should the hearing healthcare professional proceed?
- recheck using an otolight
- note failure to visualize on the audiogram
- refer patient/client to a physician
- reposition the otoscope
A: reposition the otoscope

Q: Advantages of insert earphones include:
- improved thresholds over TDH 39 headphones
- better attenuation of ambient room noise
- elimination of collapsed canals
- both b and c
A: both b and c
If wrong: both b and c

Q: Contact with which anatomical feature can cause a cough reflex?
- Arnold's branch of the vagus nerve
- the anterior portion of the tympanic membrane
- the center of the umbo
- the wandering branch of the fifth nerve
A: Arnold's branch of the vagus nerve

Q: Disorders of the inner ear most commonly cause what type of hearing loss?
- Sensorineural
- Conductive
- Mixed
- None
A: Sensorineural

Q: Disorders of the outer and middle ear most commonly result in what type of hearing loss?
- Conductive
- Sensorineural
- Mixed
- None
A: Conductive

Q: Disposable gloves, wiping ear cushions with antiseptic, disposing of used specula for the otoscope, and disinfecting impedance probe tips are excellent examples of:
- personal hygiene preference.
- infection control.
- the method of choice.
- psychological concern.
- paranoid practice.
A: infection control.

Q: During otoscopy you notice white patches on the tympanic membrane and it appears dull.  This is most likely:
- exotosis
- typanosclerosis
- cerumen
- none of the above
A: typanosclerosis
If wrong: typanosclerosis

Q: During otoscopy, a hearing healthcare professional notes the appearance of bubbles behind a tympanic membrane that is otherwise unremarkable.  This presentation is a symptom of which condition?
- ossicular discontinuity
- middle ear effusion
- tympanosclerosis
- mastoiditis
A: middle ear effusion

Q: Excessive cerumen in the ear canal can cause what type of hearing loss:
- sensorinerual hearing loss
- mixed hearing loss
- conductive hearing loss
- a or c are possible
A: conductive hearing loss
If wrong: conductive hearing loss

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">For best observation of an adult eardrum during otoscopy, you would:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Pull the pinna down and forward</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Pull the pinna up and back</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Pull the pinna forward</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Pull the pinna down</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Pull the pinna up and back</span></span>

Q: If the bone ossillator is placed on the left mastoid you are stimulating:
- the left cochlea
- the right cochlea
- the better cochlea
- none of the above
A: the better cochlea
If wrong: the better cochlea

Q: If the client responds when no tone has been presented this is called a:
- no response
- false negative response
- hyperactive response
- false positive response
A: false positive response
If wrong: false positive response

Q: If you have several audiometers in your office, it is ok to switch headsets from one audiometer to another, but you cannot just switch headsets to inserts
- True
- False
A: False
If wrong: False

Q: If you are having a particularly busy week it is ok to skip the daily biologic check as long as you did it on Monday of that week.
- True
- False
A: False
If wrong: False

Q: If your client reports ringing or other noises in their ears they have:
- tinnitus
- vertigo
- otolagia
- stenosis
A: tinnitus
If wrong: tinnitus

Q: It is important to be constantly aware of infection control measures because:
- you want to protect yourself.
- you want to protect your next (and subsequent) patient/client.
- you want to protect your patient/client.
- All of the above.
- None of the above.
A: All of the above.

Q: It is important to know the amount of ambient noise in the test environment because:
- the client may not hear the instructions clearly.
- it may affect the accuracy of the test results.
- it may distract the client during the testing procedures.
- it may distract the tester during test procedures.
A: it may affect the accuracy of the test results.
If wrong: it may affect the accuracy of the test results.

Q: It is ok to do air conduction first, then otoscopy and the case history.
- True
- False
A: False
If wrong: False, otoscopy and the case history should always be done first.

Q: We have been taught to determine a pure tone threshold using the bracketing technique.
- True
- False
A: True

Q: Results obtained during bone-conduction testing do not reflect any outer or middle ear condition.
- True
- False
A: True

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Specula are found on the ear canal wall.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">False</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">False</span></span>

Q: The definition of hearing level (HL) is:
- the number of decibels below an average normal threshold for a given signal.
- the number of decibels above an average normal threshold for a given signal.
- the loss of sensitivity at a specific frequency.
- the number of decibels averaged from 1500 hearing impaired subjects.
A: the number of decibels above an average normal threshold for a given signal.
If wrong: the number of decibels above an average normal threshold for a given signal.

Q: The definition of intensity is:
- the amount of sound energy per unit of area.
- the amount of sound vibration squared.
- the amount of sound energy measured on 100 normal hearing individuals.
- all of the above.
A: the amount of sound energy per unit of area.
If wrong: the amount of sound energy per unit of area.

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The cochlea houses the:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Middle ear bones</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Inner ear components</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Outer ear components</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The earwax components</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Inner ear components</span></span>

Q: The case history questions help predict to some degree:
- the type of hearing loss
- the amount of hearing loss
- the configuration of the hearing loss
- all of the above
A: all of the above
If wrong: all of the above

Q: The average interaural attenuation of bone conduction testing is:
- 0 dB
- 40 dB
- 55 dB
- None of the above
A: 0 dB

Q: The audiometer has many parts, some essential parts are:
- on/off switch, frequency dial, intensity dial, stimulus button and masking selection button.
- parts vary from audiometer to audiometer.
- on/off switch and earphones are the only required parts.
- parts vary based on manufacturer.
A: on/off switch, frequency dial, intensity dial, stimulus button and masking selection button.
If wrong: on/off switch, frequency dial, intensity dial, stimulus button and masking selection button.

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The adult ear canal is an irregular tube that varies in length from approximately one inch to one and one half inches.</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">False</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">True</span></span>

Q: The absence of an external auditory meatus is referred to as:
- congenlal exostosis.
- conjunctivitis.
- hereditary anomaly.
- congenital atresia.
- hereditary otosclerosis.
A: congenital atresia.

Q: The AudSIM software allows the student to:
- simulate air conduction, bone conduction and speech audiometry testing.
- simulate bone conduction testing
- simulate air conduction and bone conduction testing.
- air conduction testing.
A: simulate air conduction and bone conduction testing.
If wrong: simulate air conduction and bone conduction testing.

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The dividing line between the external ear and the middle ear is the:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Malleus</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The Eustachian tube</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The oval window</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The eardrum</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The eardrum</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The external auditory meatus is more commonly referred to as the:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The pinna</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The oval window</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The ear canal</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The eardrum</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The ear canal</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The primary function of the pinna is to:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Collect acoustic energy</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Enhance the body-baffle effect</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Transmit and amplify low frequencies</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Create the occlusion effect</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Collect acoustic energy</span></span>

Q: The procedure for testing bone conduction is:
- different than air conduction testing
- a modified air conduction procedure
- to test the right ear first
- identical to air conduction testing
A: identical to air conduction testing
If wrong: identical to air conduction testing

Q: The pure tone average is typically the average of which frequencies:
- 500Hz, 1000Hz, 1500Hz
- 1000Hz, 2000Hz, 4000Hz
- 500Hz, 2000Hz, 4000Hz
- 500Hz, 1000Hz, 2000Hz
A: 500Hz, 1000Hz, 2000Hz
If wrong: 500Hz, 1000Hz, 2000Hz

Q: The standard symbol for air conduction that represents the responses from the right ear is a:
- Δ- triangle
- <- less than sign
- Ο- circle
- Γ- right angle
A: Ο- circle
If wrong: Ο- circle

Q: <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The structure of the skull where the mastoid is located is the:</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Parietal bone</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Temporal bone</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Occipital bone</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Sphenoid bone</span></span></b>
A: <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Temporal bone</span></span></b>

Q: <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The structure of the skull which contains the internal auditory meatus is:</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Parietal bone</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Temporal bone</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Occipital bone</span></span></b>
- <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Sphenoid bone</span></span></b>
A: <b><span style="font-family:'Tahoma'"><span style="font-size:12pt">The Temporal bone</span></span></b>

Q: The tympanic membrane attaches to the:
- Malleus
- Incus
- Stapes
- Oval window
A: Malleus

Q: The typical bone ossilator placements are:
- forehead only
- mastoid or forehead
- mastoid only
- mastoid or teeth
A: mastoid or forehead
If wrong: mastoid or forehead

Q: Thickening of the tympanic membrane or a perforation of the tympanic membrane will most likely cause:
- sensorineural hearing loss
- mixed hearing loss
- conductive hearing loss
- conductive or sensorineural hearing loss
A: conductive hearing loss
If wrong: conductive hearing loss

Q: Threshold is defined as the softest level that a patient can hear:
- 25% of the time
- 50% of the time
- 75% of the time
- 100% of the time
A: 50% of the time

Q: To ensure that your audiometer is working properly you MUST:<br>1. perform a biologic check annually.<br>2. perform a biologic check daily.<br>3. perform an electroacoustic calibration daily.<br>4. perform an electro-acoustic calibration annually.
- 1, 2, and 3 are correct
- 1 and 3 are correct
- 2 and 4 are correct
- 4 only is correct
- 1, 2, 3, and 4 are all correct.
A: 2 and 4 are correct

Q: What is the primary limitation of using an earlight to examine the ear?
- the light provides insufficient visualization
- the light will not reach the tympanic membrane
- the tip is too large to reach far enough into the canal
- the light provides insufficient illumination
A: the light provides insufficient visualization

Q: What is the purpose of proper bracing during otoscopy?
- the otoscope cannot move
- the professional's hand is held steady
- the patient's/client's head cannot move into the speculum
- the patient's/client's canal is held open by the speculum
A: the patient's/client's head cannot move into the speculum

Q: What may result when insertion of an otoblock exerts pressure on the vagus nerve?
- dizziness
- nausea
- edema
- cough
A: cough

Q: When air-conduction and bone-conduction thresholds are equal and better than 15 dB, the type of hearing loss is:
- Sensorineural
- Conductive
- Mixed
- None
A: None

Q: When air-conduction and bone-conduction thresholds are equal and less than 15 dB, the type of hearing loss is:
- Sensorineural
- Conductive
- Mixed
- None.
A: None.

Q: When air-conduction thresholds are ≥15 dB poorer than bone-conduction thresholds and when bone-conduction thresholds are better than 15 dB, the type of hearing loss is:
- Sensorineural
- Conductive
- Mixed
- None
A: Conductive

Q: When air-conduction thresholds are ≥15 dB poorer than bone-conduction thresholds and when both air-conduction and bone-conduction thresholds are worse than 15 dB, the type of hearing loss is:
- Sensorineural
- Conductive
- Mixed
- None
A: Mixed

Q: When completing your morning biologic check you notice fraying on the earphone cables and static in the left earphone.  You should:
- continue testing that day and get the earphones replaced when you can
- continue testing that day and get the earphones replaced within a week
- take the earphones off another audiometer you have in the office and use them until you can get a new pair of earphones for the damaged ones
- discontinue testing, contact your equipment company and get the earphones replaced as soon as possible including checking calibration with the new earphones
A: discontinue testing, contact your equipment company and get the earphones replaced as soon as possible including checking calibration with the new earphones
If wrong: discontinue testing, contact your equipment company and get the earphones replaced as soon as possible including checking calibration with the new earphones

Q: When doing a case history for a new client, it is important to obtain related health history information such as medications or illness. This statement is:
- True, because medication and illness can affect hearing.
- True, because they might have had a childhood illness.
- False, because you are only concerned with their hearing.
- False, because health history information is confidential.
A: True, because medication and illness can affect hearing.

Q: When hearing loss is present, air conduction and bone conduction are equal, the type of hearing loss is described as:
- conductive hearing loss
- sensorineural hearing loss
- mixed hearing loss
- either a or b
A: sensorineural hearing loss
If wrong: sensorineural hearing loss

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">When observing a healthy eardrum during otoscopy, you often observe:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Red striations</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">A cone of light</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">A cone of calcium</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">A cone of blood</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">A cone of light</span></span>

Q: When performing an audiometric evaluation, which of the following procedures could create the occlusion effect?
- use of insert earphones
- incorrect oscillator placement
- DROP
- impedance of the ear canal
- frequency being tested
A: use of insert earphones

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">When performing an otoscopic examination what anatomical feature are you unable to observe?</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The eardrum</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The malleus</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The earwax</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">The stapes</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">The stapes</span></span>

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">When placing an otoblock into a patient/client’s ear canal, the patient/client begins to cough.  This coughing may be caused by:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Stapedial reflex</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Patellar reflex</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Mandibular reflex</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Arnolds reflex</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Arnolds reflex</span></span>

Q: When positioning a client for testing it is important to:
- position the person at a 90 degrees angle away from you
- position the person facing you so you can see their face
- have the person close their eyes during testing
- turn the person 180 degrees away from you to ensure they can't see your face
A: position the person at a 90 degrees angle away from you
If wrong: position the person at a 90 degrees angle away from you

Q: <span style="font-family:'Tahoma'"><span style="font-size:12pt">When you perform otoscopy you are:</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Observing facial expressions</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Observing the ear canal</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Observing the oval window</span></span>
- <span style="font-family:'Tahoma'"><span style="font-size:12pt">Observing the hearing loss</span></span>
A: <span style="font-family:'Tahoma'"><span style="font-size:12pt">Observing the ear canal</span></span>

Q: Where should the Cone of Light be visualized during the inspection of a healthy right ear?
- superior/anterior
- inferior/anterior
- superior/posterior
- inferior/posterior
A: inferior/anterior

Q: Which portion of the ear contains sebaceous glands?
- inferior section of middle ear cavity
- inner portion of external auditory canal
- anterior portion of internal auditory canal
- outer portion of external auditory canal
A: outer portion of external auditory canal

Q: Which tool can be used to perform a Weber test?
- tympanometer
- circumaural headphone
- insert earphone
- bone oscillator
A: bone oscillator

Q: Which two actions must a hearing healthcare professional perform before testing an existing patient's/client's hearing?
- clean hands in view of patient/client
- clean patient's/client's hearing instruments
- clean patient's/client's canal of obstructive cerumen
- clean or replace speculum from otoscope
- Both A and D
A: Both A and D

Q: Why is it important to properly manipulate the pinna during otoscopy?
- to aid in the viewing of the vestibule
- to aid in the viewing of the first bend of ear canal
- to aid in the viewing of the tympanic membrane
- to aid in the viewing of the oval window
A: to aid in the viewing of the tympanic membrane

Q: Why it is important to see all four quadrants of the tympanic membrane before attempting to make an ear impression?
- it ensures that ear canal abnormalities can be seen
- it ensures that ossicular abnormalities can be seen
- it ensures that external ear abnormalities can be seen
- it ensures that cochlear abnormalities can be seen
A: it ensures that ear canal abnormalities can be seen

Q: A masking dilemma occurs when:
- it is impossible to mask
- the patient displays a bilateral conductive loss
- masking cannot be completed due to overmasking
- all of the above
A: all of the above

Q: Central masking can effect a threshold by:
- 5 dB
- 20 dB
- 40 dB
- none of the above
A: 5 dB

Q: Effective masking may be described as:
- an increased masking noise that does not shift the threshold tone
- a formula method to determine how much masking noise is appropriate
- a psychoacoustic method like the one propsed by Hood
- all of the above
A: all of the above

Q: Masking is performed during air conduction testing when:
- a 40 dB of more difference occurs between air conduction threshold of the better ear and the poorer ear
- a 40 dB or more difference occurs between the air conduction threshold of the poorer ear and the bone conduction threshold of the better ear
- a 15 dB or more difference occurs between the air conduction threshold of the poorer ear and the bone conduction threshold of the better ear
- a and b
A: a and b

Q: Masking is performed during bone conduction testing whenever:
- 15 dB or more difference occurs between the obtained bone conduction threshold of the better ear and the obtained air conduction threshold of the poorer ear
- a 0 dB or more difference occurs between the obtained bone conduction threshold of the better ear and the obtained air conduction threshold of the poorer ear
- a 40 dB or more difference occurs between the obtained bone conduction threshold of the better ear and the obtained air conduction threshold of the poorer ear
- a and c
A: 15 dB or more difference occurs between the obtained bone conduction threshold of the better ear and the obtained air conduction threshold of the poorer ear

Q: Sound being presented to one ear and then routed to the opposite ear is known as
- cross hearing
- shadow hearing
- transcranial hearing
- all of the above
A: all of the above

Q: The occlusion effect occurs during:
- bone conduction testing causing thresholds to shift due to headphones being placed over the ear
- air conduction testing causing thresholds to shift due to headphones being placed over the ear
- impedance audiometry
- bone conduction testing causing threshold to shift due to the oscillator being placed on the skull
A: bone conduction testing causing thresholds to shift due to headphones being placed over the ear

Q: Undermasking is defined as:
- occuring more often during air conduction testing
- occuring more often during bone conduction testing
- an excess of noise creating a false threshold
- masking noise being at least 40 dB above the true threshold
A: occuring more often during air conduction testing

Q: When the better ear 'answers' for the poorer ear what occurs?
- shadow curve
- central hearing
- overmasking
- interaural attenuation
A: shadow curve

Q: Which noise is best for masking during pure tone air conduction and bone conduction testing?
- white noise
- speech noise
- narrow band noise
- broad band noise
A: narrow band noise

Q: A mixed loss exhibits:
- a sensorineural component
- a conductive component
- normal hearing by bone conduction
- a and b above
A: a and b above

Q: A pure conductive loss shows:
- all bone conduction thresholds within normal limits
- all air conduction thresholds out of normal range
- some bone conduction thresholds within normal range
- a and b above
A: all bone conduction thresholds within normal limits

Q: A sensorineural component is the difference between:
- AC thresholds and the range of normal hearing
- BC thresholds and the range of normal hearing
- AC thresholds and BC thresholds
- BC thresholds and 0 dB HL
A: BC thresholds and the range of normal hearing

Q: An air-bone gap means the:
- air conduction thresholds are worse than bone conduction thresholds
- air conduction thresholds are better than bone conduction thresholds
- loss is purely conductive
- loss is purely mixed
A: air conduction thresholds are worse than bone conduction thresholds

Q: An audiogram with less loss at the high and low frequencies than the middle frequency region is classified as a:
- flat curve
- rising curve
- reverse slope
- trough-shaped curve
A: trough-shaped curve

Q: In a SNHL, air conduction thresholds are:
- better than bone conduction thresholds
- worse than bone conduction thresholds
- the same as bone conduction thresholds
- in normal range
A: the same as bone conduction thresholds

Q: In a purely conductive loss:
- the inner ear nerve cells are impaired
- the outer of middle ear functions normally
- sound is reduced before its arrival at the inner ear
- nerve cells in the inner ear cannot respond readily to vibrations through the bones of the skull
A: sound is reduced before its arrival at the inner ear

Q: PTA describes the following audiogram classification fairly accurately:
- flat loss
- fragmentary audiogram
- sudden drop
- a and b above
A: flat loss

Q: Pure Tone Average estimates:
- SRT
- the degree of difficulty in hearing
- the average of 250, 500 and 1000 Hz divided by three
- bone conduction thresholds
A: SRT

Q: To calculate PTA in a hearing loss when thresholds drop 15-20 dB or more at any or all frequencies:
- add the three frequency thresholds and divide by three
- add the two frequencies with the most loss and divide by two
- add the two frequencies with the least loss and divide by two
- use 500 and 1000 Hz only and divide by two
A: add the two frequencies with the least loss and divide by two

Q: A patient with a conductive loss has:
- a wider dynamic range than normal ears
- the same dynamic range as normal ears
- a narrower dynamic range than normal ears
- a dynamic range that reduces by the amount of the conductive component
A: the same dynamic range as normal ears

Q: Although pure tones sound artificial to use, they have the advantage of:
- being subjective
- measuring a specific frequency without involvement of other frequencies
- depending entirely of the patient's response and motivation
- using formulas as a substitute for speech tests
A: measuring a specific frequency without involvement of other frequencies

Q: Dynamic Range is the useable range of hearing between:
- SAT and MCL
- SRT and MCL
- SRT and UCL
- MCL and UCL
A: SRT and UCL

Q: Recruitment is:
- common in patients with cochlear losses
- a result of a large conductive component making sound louder
- an abnormal increase in UCL
- an advantage when fitting high frequency losses
A: common in patients with cochlear losses

Q: Speech Reception Threshold:
- like an audiogram, differs at each frequency
- is a level above SDT by about 8-10 dB
- proves useful when testing someone who does not speak English
- is always 20 dB for normal ears
A: is a level above SDT by about 8-10 dB
If wrong: SDT = Speech Detection Threshold. This is where the patient can tell words are being said but cannot fully understand what words are being said.

Q: The Most Comfortable Level is:
- about 65 dB SPL for normal ears
- about 45 dB HL for normal ears
- the range of comfortable loudness
- a and b above
A: a and b above

Q: The range between threshold and MCL:
- forms a flat line across the audiogram
- is the same at each frequency
- differs at each frequency
- is a point on the HL dial, not frequency related
A: differs at each frequency

Q: When a patient has a large conductive component, it is difficult to accurately measure:
- SAT
- SRT
- MCL
- UCL
A: UCL

Q: When a patient has normal pure tone thresholds of 0 dB HL across frequencies, it is difficult to accuratley measure:
- SAT
- SRT
- MCL
- UCL
A: SAT
If wrong: SAT = Speech Awareness Threshold or SDT (Speech Detection Threshold)

Q: When patients have a sensorineural los, MCL:
- retains a relationship with the lower boundary
- extends downward, affecting the lower boundary
- extends upward, increasing the dynamic range
- pushes UCL upward, raising the dynamic range
A: retains a relationship with the lower boundary

Q: A format is:
- a concentration of energy around certain frequencies
- the lowest frequency in a complex tone
- a weak, high frequency component or overtone
- a phoneme composed of serveral frequencies
A: a concentration of energy around certain frequencies

Q: Binaural testing:
- helps decide which ear to fit
- is not important with similar audiograms
- is unnecessary when SRT, MCL and UCL are the same for both ears
- all of the above
A: helps decide which ear to fit

Q: Discriminating complex sounds depend on:
- redundancy
- timbre
- resonance
- frequency
A: timbre

Q: In a complex sound, the fundamental frequency is the:
- harmonic
- loudest frequency
- overtone
- phoneme
A: loudest frequency

Q: Masking is required for discrimination tests when:
- masking was used for bone conduction tests
- masking was used for air conduction tests
- MCL's differ by 40 dB or more
- the discrimination test is conducted 40 dB above SRT
A: masking was used for air conduction tests

Q: Speech discrimination tests:
- are easily understood at any level above SRT
- use spondiac words from single syllable word lists
- approximate a sample of speech sounds in an ordinary conversation
- contain redundancy unless they are too loud
A: approximate a sample of speech sounds in an ordinary conversation

Q: The most important energy for recognizing speech sounds are:
- harmonics and overtones
- second and third formats
- the fundamental frequencies
- low frequency phonemes
A: second and third formats

Q: The patient has pure tone air conduction thresholds of 40dB HL at each frequency. If the patient has a conductive hearing loss, his MCL would be approximately:
- 60dB HL or less
- 60-69dB HL
- 70-79dB HL
- 80dB HL or above
A: 80dB HL or above

Q: The upward spread of masking occurs when:
- a low frequency sound masks out a high frequency sound
- a louder sound occurs immediately after a softer sound
- one sound follows another closely in time
- a high frequency sound is louder than a low frequency sound
A: a low frequency sound masks out a high frequency sound

Q: We recognize the different vowel sounds because of variations in:
- the fundamental frequency
- overtones
- harmonics
- timbre
A: timbre

Q: An otoscopic inspection should reveal:
- an external auditory canal sloping upward and backward
- no vision of any ossicles
- a clear view of the Vagus Nerve (Xth Cranial)
- a view of the pearly white tympanic membrane
A: a view of the pearly white tympanic membrane

Q: The Vagus Nerve (Xth Cranial) is found:
- along the bottom of the tympanic membrane
- along the bottom of the ear canal
- along the bottom of the intertragal notch
- at the bottom of the isthmus
A: along the bottom of the ear canal

Q: The adult ear canal:
- is usually straight
- curves like a vertical figure "S"
- rises upward and forward, then descends to the drum
- descends downward, then backward toward the drum
A: rises upward and forward, then descends to the drum

Q: The average resonant frequency of the ear cacal plus concha is:
- 1500hz
- 2700hz
- 3500hz
- 1000hz
A: 2700hz

Q: The dividing line between the external ear and the middle ear is the:
- malleus
- eustachian tube
- oval window
- tympanic membrane
A: tympanic membrane

Q: The ear canal contains:
- cilia, ceruminous glands, sebaceous glands
- ceruminous glands, pinna, scaffoid fossa
- umbo, isthmus, sebaceous glands
- crus, apecture, sebaceous glands
A: cilia, ceruminous glands, sebaceous glands

Q: The isthmus is:
- another name for aperture
- located at the second bend of the canal
- where the canal narrows to enter the temporal bone
- the area between the first and second bend
A: where the canal narrows to enter the temporal bone

Q: The pinna and the external canal together:
- gather and reinforce acoustical signals
- with the irregular shape of the auricle, cause increases and decreases at different frequencies as the sound arrives at the ear
- forms a resonating tube
- all of the above
A: all of the above

Q: Which of the follow terms is not part of the tympanic membrane?
- pars tensa
- crus
- pars flaccida
- umbo
A: crus

Q: Which of the following is a part of the pinna?
- tragus
- intertragal notch
- triangular fossa
- all of the above
A: all of the above

Q: A cholesteatoma can be described as:
- a pouch of skin filled with epithelial debris
- an excess of dry, brown cerumen
- an inflammation of the walls of the ear canal
- none of the above
A: a pouch of skin filled with epithelial debris

Q: A swollen ear may be caused by:
- eczema
- otitis externa
- dermatitis
- all of the above
A: all of the above

Q: A tympanic membrane perforation may cause a:
- mixed loss
- sensorineural loss
- conductive loss
- central loss
A: conductive loss

Q: Atresia refers to:
- an active, draining ear
- a swollen and itching condition of the external ear canal
- a closure of the external auditory canal
- impacted wax
A: a closure of the external auditory canal

Q: Conductive losses may be caused by:
- a prolapsed canal
- impacted cerumen
- damaged hair cells
- (1) and (2) above
A: (1) and (2) above

Q: Perforation of the eardrum can be caused by:
- an infection
- a fracture of the temporal bone
- a nearby explosion
- all of the above
A: all of the above

Q: The following are types of hearing loss:
- conductive
- central
- sensorineural
- all of the above
A: all of the above

Q: Tympanosclerosis may be described as:
- external perforation
- monomeric spots
- calcium deposits
- an odorous epithelial sac
A: calcium deposits

Q: When an excess of cerumen of a blockage of cerumen is detected, the hearing aid specialist should:
- proceed with ear impression
- refer the patient to a physician
- proceed with testing procedures
- remove cerumen with a Q-tip
A: refer the patient to a physician

Q: Which surgical technique repairs the tympanic membrane?
- cholesteaplasty
- lobectomy
- myringoplasty
- tympanosclerosis
A: myringoplasty

Q: A type 'A' typanogram would indicate:
- possible ossicular discontinuity
- chronic otitis media
- mandatory referral
- normal pressure and compliance
A: normal pressure and compliance

Q: The difference in area size between the tympanic membrane and the footplate of the stapes increasing the sound pressure at the footplate is:
- the transfer function or aerial ratio
- hydraulic energy
- impedance
- static compliance
A: the transfer function or aerial ratio

Q: The eustachian tube begins in the lower portion of the tympanic cavity and ends at the:
- helicotrema
- promontory
- incostapedial joint
- nasopharynx
A: nasopharynx

Q: The eustachian tube of a child is:
- straight
- short
- horizontal
- all of the above
A: all of the above

Q: The footplate of the stapes fits into the:
- incus
- oval window
- round window
- incudostapedial junction
A: oval window

Q: The middle ear cavity contains:
- anvil, stapes and cartilage
- stapedius, inus, eustachian tube and isthmus
- annular ligament, malleus, stapes and tensor tympani
- incudostapedial junction, vagus nerve, stapedius and malleus
A: annular ligament, malleus, stapes and tensor tympani

Q: The middle ear cavity, as a transducer, changes energy from one form to another. The energy change is from:
- mechanical energy to acoustic energy
- acoustic energy to mechanical energy to hydraulic energy
- acoustic energy to electrical energy to hydraulic energy
- mechanical energy to hydraulic energy to electrical energy
A: acoustic energy to mechanical energy to hydraulic energy

Q: The middle ear muscles contract, resulting in:
- an acoustic reflex
- ossicular discontinuity
- increase in mechanical energy
- none of the above
A: an acoustic reflex

Q: The middle ear system is often referred to as:
- an impedance matching transformer
- attenuation method
- stapedial acoustic reflex
- fundamental transformer
A: an impedance matching transformer

Q: Theoretically, the increase in sound pressure provided by the middle ear structure is about:
- 12dB
- 15dB
- 27dB
- none of the above
A: 27dB

Q: A cholesteatoma:
- occurs in the middle ear
- may perforate the eardrum
- is usually accompanied by a constant odorous discharge
- all of the above
A: all of the above

Q: A plastic or steel strut replaces the stapes during a:
- stapedectomy
- stapes mobilization
- fenestration
- none of the above
A: stapedectomy

Q: A radical mastoidectomy includes removal of:
- malleus, incus and tympanic membrane
- tympanic membrane, malleus and eustachian tube
- ossicular chain and eustachian tube
- ossicular chain, mastoid
A: ossicular chain, mastoid

Q: Changes in either stiffness or mass occur when the normal ear function is altered by disease or trauma causing:
- a swelling and/or redness in the external canal
- a feeling of stiffness or a complaint of hearing in a barrel
- a feeling of itching deep within the ear
- a decrease in acoustic feedback
A: a feeling of stiffness or a complaint of hearing in a barrel

Q: Most dysfunctions of the outer or middle ear cause a:
- mixed loss
- conductive loss
- sensory loss
- neural loss
A: conductive loss

Q: Otitis media may occur with:
- spongy changes in the bony capsule
- fluid in the middle ear
- osteoarthritis
- tinnitus
A: fluid in the middle ear

Q: Otosclerosis:
- occurs more often in women than men
- occurs more often in Caucasians than other races
- appears to be inherited
- all of the above
A: all of the above

Q: The ear, due to its physical characteristics, enhances which frequencies?
- 250 - 1,000 Hz
- 2,000 - 5,000 Hz
- 1,000 - 2,000 Hz
- 4,000 - 6,000 Hz
A: 2,000 - 5,000 Hz

Q: The ossicular chain is supported and suspended by:
- muscles only
- ligaments, stapedius and promontory
- stapedius, tensor tympani and ligaments
- anvil, stapedius and ligaments
A: stapedius, tensor tympani and ligaments

Q: Treatment for chronic otitis media may include:
- antibiotics
- inflation of the eustachian tube
- myringoplasty
- all of the above
A: antibiotics

Q: Afferent fibers:
- transmit from the cochlea to the brain
- transmit from the brain to the cochlea
- transmit from the middle ear to the cochlea
- transmit from the tympanum to the brain
A: transmit from the cochlea to the brain

Q: Collections of nerve fibers are called:
- ganglia and synapses
- membrane and nuclei
- ganglia and nuclei
- ganglia and coretx
A: ganglia and nuclei

Q: Each of the semicircular canals:
- are oriented at 90 degrees to one another
- contain perilymph and endolymph
- detect positioning and balance
- all of the above
A: all of the above

Q: In a cross section of the cochlea, the minimum number of rows of hair cells you can see is:
- 6
- 5
- 4
- 3
A: 4

Q: The base of the cochlea:
- begins at the oval window
- is at the inner tip
- consists of low frequency sounds
- is wider than the apex
A: begins at the oval window

Q: The basilar membrane separates:
- the scala media and the scala vestibuli
- the scala vestibuli and the scala tympani
- the scala media and the scala tympani
- the scala tympani and the semicircular canals
A: the scala media and the scala tympani

Q: The cochlea, acting as a frequency analyzer, distributes acoustic stimuli to places along the basilar membranes according to frequency. This forms the basis of a hypothesis called the:
- critical band theory
- square wave theory
- Place Theory
- Fourier Theory
A: Place Theory

Q: The fibers of the auditory nerve, at the point of maximum stimulation of the basilar membrane, discharge and recover at a rate of approximately:
- up to 1Khz identical to the stimulus frequency
- 3,000 times or cycles/sec
- 500 times of cycles/sec
- 250 times or cycles/sec
A: up to 1Khz identical to the stimulus frequency

Q: The scala tympani is filled with:
- strialymph
- perilymph
- endolymph
- cortilymph
A: perilymph

Q: The total number of neural fibers or neurons in the human auditory nerve is about:
- 10,000
- 20,000
- 30,000
- 40,000
A: 30,000

Q: A characteristic of a conductive loss is:
- a soft spoken patient
- more affected in high frequencies than lows
- continual vertigo
- a loud talking patient
A: a soft spoken patient

Q: A sensorineural hearing loss is due to a disorder in the:
- eustachian tube
- middle ear
- inner ear
- ossicles
A: inner ear

Q: A symptom of recruitment is:
- tinnitus
- vertigo
- presbycusis
- intolerance for loud sounds
A: intolerance for loud sounds

Q: An organic disorder is when there is damage to:
- the hearing mechanism
- the neural pathways
- the brain
- all of the above
A: all of the above

Q: Loudness recruitment:
- is always present in presbycusis
- refers to abnormal loudness growth of clients with sensorineural hearing
- only applies to patients with central processing problems
- is medically correctable
A: refers to abnormal loudness growth of clients with sensorineural hearing

Q: Malingering is a category of:
- presbycusis
- tinnitus
- non-organic loss
- sensorineural loss
A: non-organic loss

Q: Meniere's syndrom consists of:
- presbycusis and tinnitus
- noise trauma and vertigo
- tinnitus, vertigo, and hearing loss
- central deafness, aphasia and vertigo
A: tinnitus, vertigo, and hearing loss

Q: Tinnitus is:
- a completely understood disorder
- often managd by hearing instruments or tinnitus maskers
- psychological in nature only
- managed only by a labyrinthectomy
A: often managd by hearing instruments or tinnitus maskers

Q: Which is not a characteristic of a sensorineural loss?
- difficulty understanding high frequency consonant sounds
- recruitment
- hearing better in noise than in quiet
- tinnitus
A: hearing better in noise than in quiet

Q: Which of the following is a result of tissue and structure damage?
- a threshold shift
- distortion of perception of frequencies
- disturbance of perception of loudness
- all of the above
A: all of the above

Q: A dial on the audiometer to control the decibels of output is called:
- a frequency dial
- a hearing level dial
- an attenuator dial
- b & c above
A: b & c above

Q: ANSI letters stand for:
- Amplitude Narrowing in Short Increments
- Alternative Non Sensitive Intensities
- American National Safety Institute
- American National Standards Institute
A: American National Standards Institute

Q: Audiometric zero for pure tones is higher than the standard reference level by about:
- 35 dB
- 20 dB
- 10 dB
- differs at each frequency
A: differs at each frequency

Q: Audiometric zero is:
- 0 dB Hearing Level
- 0 dB HL
- the level where normal ears can hear at every freqency
- all of the above
A: all of the above

Q: By air conduction, sound energy changes forms in which of the following manners:
- acoustic energy, mechanical energy, chemical energy, electrical energy to hydrualic energy
- mechanical energy, acoustic energy, chemical energy, hydraulic energy to electrical energy
- acoustic energy, mechanical energy, hydraulic energy, electrical energy to chemical energy
- electrical energy, mechanical energy, acousic energy, hydraulic energy to chemical energy
A: acoustic energy, mechanical energy, hydraulic energy, electrical energy to chemical energy

Q: Routine hearing testing should be performed:
- in an anechoic chamber
- in the home environment
- in a sound controlled environment
- in a room with a sound meter
A: in a sound controlled environment

Q: Sound waves, during bone conduction, transmit from the:
- skull to the cochlea
- ossicles to the cochlea
- pinna to the ossicles
- skull to the eighth nerve
A: skull to the cochlea

Q: The audiometer is designed so that zero on the attenuator dial:
- corresponds to the same sound pressure level at each audiometer frequency
- represents the level of normal hearing for that frequency
- represents where the best ear can hear
- you hear no sound when the dial is at zero
A: represents the level of normal hearing for that frequency

Q: The normal ear responds to a range of frequencies from:
- 15-50,000 Hz
- 20-20,000 Hz
- 20-30,000 Hz
- 30-30,000 Hz
A: 20-20,000 Hz

Q: Which of the following describes a Phon?
- A unit of measurement when comparing the loudness of one frequency to another frequency
- A unit of measurement to determine the just noticeable difference (JND)
- A unit to measure loudness
- A unit of measurement for comparing the threshold of audibility with the threshold of comfort
A: A unit of measurement when comparing the loudness of one frequency to another frequency

Q: Before testing is done:
- the client's ears should be carefully examined using an otoscope
- you should carefully remove any impacted cerumen, if the client so requests
- you should hand the earphones to the client so that he can put them on in a comfortable manner
- none of the above
A: the client's ears should be carefully examined using an otoscope

Q: Begin testing with the 1000 Hz tone because it:
- is the center frequency of those most important to understanding speech
- has good test, re-test ability
- provides the opportunity for the client to become accustomed to the procedure
- all of the above
A: has good test, re-test ability

Q: In Pure Tone testing, threshold means:
- the lowest intensity the client hears 50% of the time
- the sound has a loudness of zero dB in a 2 cc coupler
- the point at which the client hears the sound as most comfortable
- 0 dB HL
A: the lowest intensity the client hears 50% of the time

Q: Individuals with a noise induced hearing impairment can have a "V" notch at which frequencies?
- 3000 Hz
- 4000 Hz
- 6000 Hz
- any of the above
A: any of the above

Q: The descending technique in pure tone audiometry is preferred because it:
- is easier to hear when a sound stops than when it begins
- is easier for the operator to explain to the client
- can prevent 'hearing fatigue'
- all of the above
A: is easier to hear when a sound stops than when it begins

Q: The loss of acoustic energy as it travels from the test ear to the non-test ear is a definition of:
- tonal deficiency effect
- interaural attenuation
- occlusion effect
- auditory fatigue
A: tonal deficiency effect

Q: The problems produced by excessive ambient noise are:
- greater for the lower frequencies than the higher frequencies
- greater for the higher frequencies than the lower frequencies
- affecting both high and low frequencies equally
- not a problem because a headset covers the ears
A: greater for the lower frequencies than the higher frequencies

Q: The symbols used in the audiogram for air conduction are:
- uniform for the United States only
- uniform for Europe only
- uniform worldwide
- a circle for the left, and x for the right
A: uniform worldwide

Q: To begin testing for air or bone conduction thresholds, test should begin at which frequency?
- 1000 Hz
- 2000 Hz
- 500 Hz
- 250 Hz
A: 1000 Hz

Q: What is the meaning of 40 dB threshold re: audiometric zero, at 500 Hz?
- subject could not hear a 500 Hz tone at 40 dB
- subject could barely hear a 500 Hz tone at 40 dB about 50% of the time
- subject could hear a 500 Hz tone very well at 40 dB, and 5 dB lower
- subject could hear a 500 Hz tone with the hearing dial set at zero
A: subject could barely hear a 500 Hz tone at 40 dB about 50% of the time

Q: A conductive loss may be caused by:
- Perforations of the tympanic membrane
- immobile middle ear ossicles
- otitis media
- all of the above
A: all of the above

Q: A source of information that helps to identify which ear is responding to bone conduction stimuli is:
- tympanometry
- acoustic reflex testing
- bone conduction with masking
- all of the above
A: all of the above

Q: Ambient noise in the environment during bone conduction testing will:
- affect the test results in the lower frequencies
- affect the test results in the mid frequencies
- affect the test results in the high frequencies
- all of the above
A: affect the test results in the lower frequencies

Q: Bone conduction testing directly stimulates:
- the middle ear
- semicircular canals
- the cochlea
- the pinna
A: the cochlea

Q: Bone conduction thresholds worse than air conduction thresholds may be caused by:
- poor placement of the vibrator
- a skull fracture
- thickness of the skull
- all of the above
A: all of the above

Q: During the testing process, it is best to test bone conduction:
- before air conduction testing
- after air conduction testing
- after the case history
- after impedance audiometry
A: after air conduction testing

Q: If the outer and middle ear parts are normal:
- air thresholds will equal the bone thresholds
- air thresholds will be better than bone thresholds
- air thresholds will be worse than bone thresholds
- you cannot measure the boen thresholds
A: air thresholds will equal the bone thresholds
If wrong: If the outer and middle ear parts are normal you should have a symmetrical hearing level. There is a possibility of SNHL, so your bone will follow your air scores.

Q: In bone conduction testing, the receiver should be:
- placed so that it is in contact with the pinna as well as the mastoid
- held in place by the person being tested
- placed at the most sensitive spot on the mastoid of the test ear
- held in place by a headband that exerts exactly one pound of pressure
A: placed at the most sensitive spot on the mastoid of the test ear

Q: Most conductive lossess:
- are medically correctable
- display a breakdown or obstruction in the middle ear
- display good discrimination
- all fo the above
A: all fo the above

Q: Sounds from the bone conduction receiver may stimulate the non-test ear at:
- 10 dB or less
- 20 dB - 30 dB
- 30 dB - 40dB
- 40 dB or more
A: 10 dB or less