Title: Unit II - Audiometric Testing: IHS Distance Learning Course Test Questions
Course: 14SU-HIS-270-G101-CLINICAL PRACTICUM II > Section: Resources

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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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 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: 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: 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: 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

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

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

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

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

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

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: 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 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: 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: 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: Tympanometry identifies:
- the hearing acuity of the patient
- a measure of the static compliance of th eustachian tube
- a measure of the dynamic compliance of the TM
- a measure of the central processing of the ear
A: a measure of the dynamic compliance of the TM

Q: By convention, the range of pressures exerted in tympanometry range from:
- +200mm (H20) to -200mm (H20)
- +400mm (H20) to -400mm (H20)
- +300mm (H20) to -300mm (H20)
- +100mm (H20) to -100mm (H20)
A: +200mm (H20) to -200mm (H20)

Q: The tympanogram measures:
- the loudness of the sound
- the intensity of the sound in the cavity between the probe tip and the first bend of the canal
- the intensity of the sound in the cavity between the probe tip and the TM
- the spectrum of the sound in the cavity
A: the intensity of the sound in the cavity between the probe tip and the TM

Q: The point of maximum compliance in a tympanogram represents:
- the absence of air pressure in the ear
- the point at which the pressure exerted through the probe tip exactly matches the pressure within the middle ear
- the point of best hearing thresholds
- the point of worst hearing thresholds
A: the point at which the pressure exerted through the probe tip exactly matches the pressure within the middle ear

Q: A '0'mm (H20) pressure reading means:
- that there is a vacuum in the cavity
- that the hearing acuity is within the range of normal limits
- that no pressure is being exerted on the TM
- that the pressure exerted matches the hearing loss
A: that no pressure is being exerted on the TM

Q: Figure 14-3 represents what 'Type' of tympanogram?
- Type A
- Type As
- Type Ad
- Type B
A: Type A

Q: Figure 14-6 represents what 'Type' of tympanogram?
- Type A
- Type As
- Type Ad
- Type B
A: Type B

Q: Figure 14-7 represents what 'Type' of tympanogram?
- Type A
- Type As
- Type Ad
- Type C
A: Type C

Q: The configuration and height of the tympanogram can be a factor in deciding the proper matrix for the fitting of a hearing aid:
- A Type B tells us to decrease the output by 5 dB
- A Type C tells us to increase the output by 20 dB
- A Type C tells us to decrease the output by 15 dB
- A high Type A tells us to decrease the output by 2-3 dB
A: A high Type A tells us to decrease the output by 2-3 dB

Q: Tympanometry is effective in identifying:
- middle ear pathologies
- cochlear pathologies
- VIIIth Cranial nerve pathologies
- all of the above
A: middle ear pathologies