Title: HIS Written Exam March 2014
Course: 14FA-HIS-250-H1B1-REAL EAR MEASUREMENTS

Q: A clinician routinely cleans all office equipment with alcohol wipes. Specula and ear tips are routinely replaced.  Gloves are used while handling all hearing instruments as well as during patient/client contact. Even so, there appears to be a higher than usual number ear infections and colds at the office.<br>What should be done to reduce the number of infections and colds?
- use gloves while wiping down equipment
- use viricide spray on testing equipment
- use viricide chloride on chairs and equipment
- use spectracide spray on testing equipment
A: use viricide spray on testing equipment

Q: Which of the following items can be sanitized between patients and reused on a daily basis?
- otoscope tip
- circum-aural speaker
- impression syringe
- bone oscillator
- insert earphone
A: insert earphone

Q: A patient/client was referred for a hearing test by a Primary Care Physician. The patient/client reports a history of noise exposure at work and medications for blood pressure and cholesterol.  The patient's/client's spouse reports that the patient/client has hearing trouble at home and in social settings. Test results indicate asymmetrical hearing loss.<br>What should the hearing healthcare professional recommend?
- monaural amplification
- custom hearing protection
- ENT consultation
- reevaluation in six months
A: ENT consultation

Q: A patient/client complains of a foul-smelling fluid coming from the right ear. Otoscopy reveals debris and fluid originating from the superior portion of the tympanic membrane. <br>What is the likely cause of these symptoms?
- Cholesteatoma
- Eczema
- Otitis Media
- Tympanosclerosis
A: Cholesteatoma

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: A hearing healthcare professional evaluates a patient/client and determines word recognition scores of 76% and precipitous high-frequency hearing loss. What is the patient's/client's level of understanding ability?
- within normal limits
- slight difficulty
- moderate difficulty
- marked difficulty
A: slight difficulty

Q: What is the function of Reissner's Membrane?
- generates the electrical charge that drives the functions of the scala media
- supports the Organ of Corti
- connects both the scala tympani and the scala vestibuli
- separates the scala vestibuli and the scala media
A: separates the scala vestibuli and the scala media

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: The "Impedance Matching Transformer" action of the middle ear refers to:
- correcting the impedance 'mismatch' between the outside world and the neural hearing.
- correcting the analog to digital disparity
- converting the sound pressure level at the TM to that at the Oval Window Membrane.
- Transducing the aerodynamic energy into neural energy.
- Transducing the energy in air to mechanical energy.
A: converting the sound pressure level at the TM to that at the Oval Window Membrane.

Q: High fevers associated with viral infections can produce hearing loss because:<br>1. the fever 'cooks' the hair cells.<br>2. the virus toxins 'poison' many hair cells. <br>3. fevers remove oxygen from the blood.<br>4. viral infections don't respond to antibiotics.
- 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: A patient/client is referred to you by her ear specialist for an amplification assessment.  Her past otologic history includes a myringotomy on her right ear and bilateral external otitis media.<br>67.      WHICH of the following is/are TRUE regarding otitis externa?<br>1: Is treated with a myringotomy.<br>2: Can be caused by an allergic reaction to a mold.<br>3: Is also known as otitis media.<br>4: Can result in redness, drainage and discomfort.
- 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: The 2 3/4 turns of the basalar membrane in the cochlea are about 31mm in length, proceeding as a 'rising coil' around the modiolus.
- the structure is filled with incompressible fluid.
- the bony labyrinth is separated into 3 scalae:  Vestibuli, Media,, and Tympani.
- Suspended in the opening by the spiral ligament it is very narrow at the base and wide at the apex.
- All of the above.
- None of the above.
A: All of the above.

Q: The patient/client is a 57-year old female with a moderate-to-severe, mid-to-high frequency, steeply sloping, sensori-neural loss, bilaterally symmetrical.  She agrees that she needs hearing instruments, bilaterally and wants programmable, multi-memory, CIC's.<br>Within 24 hours of delivery her ears are red, slightly edematous and itching to the point of pain.  She has taken the instruments out and is "afraid to use them" again.  The first thing you should do is:
- Counsel her and explain that her ears will adjust to the hearing instruments.
- Return her hearing instruments for credit and return her money.
- Change from CICs to a non-occluding shell.
- Coat the shell with hypo-allergenic material and observe if symptoms return. If not, recase instruments with hypo-allergenic material.
- None of the above.
A: Coat the shell with hypo-allergenic material and observe if symptoms return. If not, recase instruments with hypo-allergenic material.

Q: Which of the following are TRUE of industrial noise levels?<br>A:        95dB is considered safe for up to 8 hours.<br>B:        90dB is considered safe for up to 8 hours.<br>C:      100dB is considered safe for up to 8 hours.<br>D:        95dB is considered safe for up to 4 hours.<br>E:      105dB is considered safe for up to 4 hours.
- A+B+D
- B+D
- A, B, C + D
- All of the above
- None of the above
A: B+D

Q: The patient/client is a 54-year old male.  Four months ago, he awoke with severe, left unilateral, "roaring" tinnitus, mild vertigo and the feeling of "fullness" in his ear.  He went immediately to the Emergency Room of his local hospital where he was started on blood thinners and a vasodilator.  This resulted in the reduction of his vertigo, a quieting of his tinnitus, and a continuing perception that he "cannot hear" out of his left ear.  He has seen and ENT and has had no improvement in his hearing.<br>He has come to your office to find out what can be done about his hearing.  A new evaluation finds no response in the left ear, and a mild high-frequency sensori-neural loss on the right.  You should:
- recommend a tinnitis masking ITE.
- suggest "grief counseling" for the relief of his anxiety.
- recommend a CROS (BICROS) or Trans-Cranial CROS instrument for this patient/client.
- write a letter identifying "Reasonable Accomodation" steps for the employer to take for this kind of problem.
- All of the above.
A: recommend a CROS (BICROS) or Trans-Cranial CROS instrument for this patient/client.

Q: A 70-year old woman presents with the following statement, “I want one of those tiny hearing aids I’ve seen on television”.  You notice that she has severe arthritis and poor “aided” vision.  Her hair is long and well cared for and covers her ears and sides of her face completely.  She is widowed and lives alone.  Before fitting her, you should explain that:<br>1. she may not be able to change batteries in a CIC.<br>2. CIC’s are not available for her loss.<br>3. a BTE may be easier to put on and change batteries.<br>4. a BTE is better than a CIC.
- 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 and 3 are correct

Q: A patient/client presents with a complaint of rapidly increasing hearing loss with pain bilaterally, worse left.  He currently wears BTE’s that are one year old.  The FIRST thing the hearing instrument specialist should do is:
- reprogram the hearing instruments.
- retest his thresholds.
- refer him to a physician.
- counsel the patient/client.
- clean hearing instruments.
A: refer him to a physician.

Q: A 21 year old water skier comes into the office 3 weeks after an accident on the lake with a feeling of fullness in right ear.  On examination, the TM appears to be flaccid on the right side.  Tympanometry of the right ear indicates a Type Ad response.  The most likely interpretation for this is:
- perforated eardrum membrane
- swimmer’s ear
- ossicular discontinuity
- ossicular fixation
- otitis media
A: ossicular discontinuity

Q: Energy conversions from the middle ear to the inner ear are BEST described as:
- mechanical energy to electrical energy.
- electrical energy to hydraulic energy.
- hydraulic energy to mechanical energy.
- mechanical energy to hydraulic energy.
- acoustic energy to hydraulic energy.
A: mechanical energy to hydraulic energy.

Q: A clear view of the tympanic membrane for adults can BEST be obtained by pulling the pinna up and to the rear.
- Statement is TRUE
- Statement is FALSE
- Converse is TRUE, Statement is FALSE
- Converse is FALSE, Statement is FALSE
A: Statement is TRUE

Q: The audiogram (#1130) for this 36-year old female indicates that she has what type of hearing loss in the right ear?:
- Normal
- Sensorineural
- Conductive
- Mixed
- Not enough information
A: Not enough information

Q: Which of these is/are TRUE regarding uncomfortable loudness level?<br>1. Utilizes cold running speech<br>2. Is not necessary for the fitting of hearing instrument<br>3. May be done utilizing pure tones or narrow band masking<br>4. Is directly related to the MCL
- 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 and 3 are correct

Q: When masking during pure tone air conduction testing, which of the following masking noises is most appropriate?
- Narrow Band
- White noise
- Saw Tooth
- Speech
- Pink noise
A: Narrow Band

Q: Generally speaking, masking is performed when there is:<br>1. precipitous loss.<br>2. interaural attenuation.<br>3. flat symmetrical loss.<br>4. bilateral asymmetrical loss.
- 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: Upon completion of a successful binaural aided speech discrimination score, the binaural speech discrimination score should be better or equal to the best monaural speech discrimination score.
- Statement is TRUE
- Statement is FALSE
- Converse is TRUE, Statement is FALSE
- Converse is FALSE, Statement is FALSE
- Not enough information.
A: Statement is TRUE

Q: When the tympanic membrane is intact, unobstructed and mobile, and there is a "normal" amount of air pressure in the middle ear space, the expected type of tympanogram will be:
- Type A
- Type AD
- Type AS
- Type B
- Type C
A: Type A

Q: When there is a unilateral ossicular discontinuity in an otherwise normally functioning middle ear, the expected type of tympanogram will be:
- Type A
- Type AD
- Type AS
- Type B
- Type C
A: Type AD

Q: Which of the following stimuli are APPROPRIATE during sound field audiometry?<br>1. Narrow band noise<br>2. Speech<br>3. Pulsed pure tones<br>4. Continuous pure tones
- 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, and 3 are correct

Q: Binaural fittings should be considered for clients when:
- the bilateral SRT speech score is 30 dB or more.
- discrimination scores are not 100%.
- discrimination scores improve binaurally in a moderate bilateral sensorineural loss.
- there have been effects of acoustic trauma.
- All of the above
A: discrimination scores improve binaurally in a moderate bilateral sensorineural loss.

Q: Assuming 65 dB SPL input, about how much gain would be needed if MCL = 105 dB SPL?
- 10 dB
- 40 dB
- 65 dB
- 75 dB
- 105 dB
A: 40 dB

Q: Based on the pure tone Audiogram #146, the reflex decay test results would be expected to be:
- Not determinable
- Positive at 1000 Hz.
- Negative at 1000HZ, positive at 500Hz
- Positive at 1000HZ, Negative at 500Hz
- Negative at 1000HZ, Negative at 500Hz
A: Not determinable

Q: Based on the Audiogram for this patient/client, tympanograms would be expected to be of Type:
- AD
- A
- AS
- B
- C
A: A

Q: In this patient/client the spondee scores reflect the probability of:
- poor speech discrimination.
- sensorineural involvement.
- central Auditory disorder in the right hemisphere.
- central auditory disorder in the left hemisphere.
- verification of the pure tone average.
A: verification of the pure tone average.

Q: A 67-year old male is brought to the office six months after suffering a mild stroke.   He had retired 7 years ago after 35 years as a heavy equipment operator.  He brings test results from his last annual screening before his retirement.  Although there is substantial, bilateral, steeply sloping, mid-to-high frequency, sensorineural loss, your results (today) are unchanged from that last test.<br>Nonetheless, he feels that his hearing is much worse, especially in the left ear, and that he just can't understand if there is any noise around.<br>The MOST likely factor is:
- a fluctuating sensorineural loss
- an unrecognized central auditory processing problem.
- an eighth (VIIIth) cranial nerve involvement
- a conductive problem that fluctuates
- None of the above
A: an unrecognized central auditory processing problem.

Q: The patient/client is a 34-year old male who has worked in a sawmill since his graduation from high school 16 years ago.  He wears mandated ear protectors but still has ringing in his ears, and hearing problems according to his wife.  His major problem is that he hears everything through his left ear and has to visually search for the source of any sound.  This is a recent development (increasingly over the past 7 years) and is accompanied by a perception of fullness in the right and decreasing sense of balance.<br>Audiometric results indicate normal, sloping to severe, high frequency sensorineural loss in the left ear.  In the right ear, there is a moderate, steeply sloping to profound, mid-to-high frequency, sensorineural loss.  SRT's are consistent with pure tone averages, while speech discrimination scores are:<br>R                             L<br>PBmax                  48%                        88%<br>PB rollover       Positive (+)           Negative (-)<br>In this patient/client, consideration should include:<br>1. cochlear pathology, bilaterally.<br>2. VIIIth nerve involvement, unilaterally on the left.<br>3. VIIIth nerve involvement, unilaterally on the right.<br>4. cochlear pathology, unilaterally.
- 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 and 3 are correct

Q: The patient/client is a 29-year old male with difficulty hearing from his right ear, following tympanoplasty with ossicular reconstruction.  The surgery was 5 weeks ago.  You should:<br>1. Air and bone conduction threshold tests.<br>2. Speech reception and speech discrimination tests.<br>3. Complete history and otoscopic examination.<br>4. Complete tone decay testing.
- 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, and 3 are correct

Q: A 20 year old patient/client presents at your clinic with difficulty hearing in noise.  Pure tone testing shows hearing within normal limits.  Speech discrimination scores in the binaural presentation are worse than in the monaural presentation for the better performing ear.  Central processing disorders affect binaural fusion.  An example of binaural fusion is:
- apparent loudness increases 10dB HTL.
- you can localize the source.
- the signal to noise ratio improves.
- two input tones in opposite ears combine into a single tone.
- None of the above.
A: two input tones in opposite ears combine into a single tone.

Q: This 42-year old male was on a bus which was “gently” rear-ended by a Honda Civic.  He immediately, loudly stated that he was deaf because of the accident.  During the case history he responded to all verbal questions, reporting he had no previous ear disorders, was not exposed to industrial noise and had no genetic predispositions.  The audiogram (see audiogram 1380) and other test results suggest:
- bilateral profound mixed hearing loss.
- bilateral profound sensorineural hearing loss.
- noise induced hearing loss.
- non-organic hearing loss.
- acoustic trauma.
A: non-organic hearing loss.

Q: On Otoscopic examination, the tympanic membrane appears to be bluish-black distended out into the canal, and pulsing rhythmically in synchrony with the heartbeat.  The hearing instrument specialist should:
- Measure pure tone air and bone conduction thresholds.
- Make ear impressions using careful otoblock placement.
- Perform speech audiometry.
- Refer the patient/client immediately to a physician.
- Take patient/client history.
A: Refer the patient/client immediately to a physician.

Q: A new patient/client with left side paralysis due to a recent stroke presents with moderately severe sensorineural loss in both ears.  The patient's/client's housekeeper/assistant reports that the patient/client is very independent.<br>Which hearing instrument option would allow the patient/client to maintain as much independence as possible?
- a half-shell with volume control for the right ear
- a set of mini BTEs with custom molds
- a power CIC for the right ear
- a set of ITEs with interactive components
A: a set of mini BTEs with custom molds

Q: Which factor will affect a patient's/client's acceptance and use of hearing instruments?
- presence of small children in home
- patient's/client's dominant hand
- patient's/client's cosmetic preferences
- frequency and duration of hearing instrument use
A: patient's/client's cosmetic preferences

Q: According to ANSI standards, which electro-acoustic parameter is the most important when selecting amplification for a patient/client with a mild-moderate, sensorineural hearing loss, with MCL of 60 dB and LDL of 95dB?
- high-frequency average
- output sound pressure level
- automatic gain control
- sound pressure level
A: output sound pressure level

Q: Which of the following criteria is most important when selecting a hearing instrument style for a patient/client?
- Speech recognition scores and lifestyle.
- Lifestyle and speech reception scores.
- Family expectations and lifestyle.
- Speech recognition scores and speech reception values.
- Financial considerations
A: Speech recognition scores and lifestyle.

Q: A patient/client with severe visual impairment and arthritic hands needs binaural amplification. <br>Which hearing instrument style should the hearing healthcare professional recommend?
- CIC hearing aids with Red/Blue shells
- BTE rechargeable hearing aids with half shell molds
- DROP
- RIC hearing aids with remote control
- ITC hearing aids with Bluetooth
A: BTE rechargeable hearing aids with half shell molds

Q: A patient/client with a bilateral loss, moderate in the low frequencies and severe in the high frequencies, has been evaluated for hearing instruments.  The patient/client is willing to go with the most appropriate fitting for the loss, but does not want "anything really big".<br>What hearing instrument style should the hearing healthcare professional recommend?
- small btes with skeleton molds
- ites with large vents
- half-shells with small vents
- cics with pressure vents
- caretakers education
A: cics with pressure vents

Q: The patient/client is a 98-year old female with congestive heart diseases, osteoporosis, severe visual problems and diabetes (insulin dependent).  She is on 11 medications each day.  She has had a moderate to severe hearing loss for more than 35 years and has had two sets of hearing instruments (both of which have been in the drawer).  Her hearing loss is getting worse rapidly.  She wants a new set of instruments but has increasing manual dexterity problems.  She would like to wear an ITE style.  She should be fit with:
- A K-Amp ITE
- An adaptive ITC
- A linear CIC
- A programmable ITE
- A linear BTE
A: A programmable ITE

Q: Your patient/client comes into your office complaining that his hearing instrument that he has been successful with for 8 months now feels plugged, he can hear his heartbeat, what are you going to do?<br>1. examine ears<br>2. listen to instrument<br>3. send instrument for repair if necessary<br>4. refer to physician
- 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: A 28-year old woman comes into your office complaining of having trouble understanding conversation in noise.  After completing a hearing assessment questionnaire and history you find she has a mother and aunt (Mother's sister) who have otosclerosis.  You should:
- test and refer.
- test and fit binaurally.
- test mother and aunt.
- test REUR.
- counsel.
A: test and refer.

Q: Your patient/client is a restaurateur, who, during history, presents 4-year old binaural linear ITE's with complaint that the background noise at work is unbearable. The Audiogram shown is a recent evaluation. You SHOULD:<br>1. consider WORC with low-cut addressing noise issues at maximum power output (MPO) levels.<br>2. change fitting to full ITE's to obtain sufficient gain.<br>3. consider multi-channel digital circuitry.<br>4. consider linear instruments with peak clipping.
- 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 and 3 are correct

Q: Given appropriate medical clearance, the most difficult ear to fit will be the _________ ear because of _______.
- right;      elevated comfort level
- left;      reverse sloping loss
- right;      narrow dynamic range in that ear
- left;      inconsistent conductive component
- left;      conductive component
A: right;      narrow dynamic range in that ear

Q: Mrs. Smith, a local philanthropist, displays the following audiogram.  She reports difficulty when dinner companions are on her left side.<br>She would be BEST fitted with which hearing instrument?
- Monaural fitting to left ear
- BiCros to right ear
- Monaural fitting to right ear
- Cros to right ear
- Bicros to left ear
A: Bicros to left ear

Q: A 65-year old male patient/client is in the rehabilitation center of a hospital recovering from a stroke that occurred four weeks ago.  A hearing instrument has been recommended.  Which of the following limitations must be considered in fitting this patient/client?<br>1. Right or left sided weakness<br>2. Apraxia<br>3. Ability to elevate arms<br>4. Noise problems
- 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: When selecting the appropriate amplifier for a mild to moderate high frequency hearing loss, a "D" amp is preferable to an "A" amp, BECAUSE a "D" amp:
- has a narrow frequency response band.
- has its primary peak at 3000 Hz.
- is less prone to feedback.
- has its primary peak at 2000 Hz.
- has newer technology.
A: has its primary peak at 2000 Hz.

Q: Which ONE of the following criteria is MOST important when selecting a hearing instrument STYLE for this patient/client?
- Discrimination scores and lifestyle.
- Lifestyle and speech reception scores.
- Family expectations and lifestyle.
- discrimination scores and speech reception scores.
- Financial considerations.
A: Discrimination scores and lifestyle.

Q: A 38-year old male with a mild to moderate bilateral sensorineural loss, reports a great deal of difficulty hearing women who work with him in a noisy office environment which includes computers and other office machines.<br>He would be BEST fit with:<br>1. telecoils.<br>2. binaural hearing instruments.<br>3. directional microphones.<br>4. reverse slope circuitry.
- 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, and 3 are correct

Q: Your 55-year old client is a business executive in a large industrial company.  See audiogram #58.  The hearing instrument specifications you would recommend would include:<br>1. A compression circuit; telephone coil & low cut potentiometer.<br>2. A linear circuit, and a high cut and a low cut potentiometer.<br>3. Binaural fitting.<br>4. Limiting SSPL output to 110 dB.
- 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 and 3 are correct

Q: Your client has normal hearing to 1000Hz, and then a bilateral, symmetrical, moderate falling to severe, high frequency sensorineural hearing loss.  His speech test results are as<br>SRT = 30 dB HL<br>MCL = 65 dB HL<br>UCL  = 90 dB HL<br>The matrix of the hearing instruments in dB SPL that most closely meet the fitting requirements would be:
- 90/65/30
- 107/30/30
- 115/40/15
- 120/50/25
- 102/50/15
A: 107/30/30

Q: What would be the BEST consideration(s) in ordering the circuitry for his hearing instruments?<br>1. Signal processing<br>2. Linear<br>3. Compression<br>4. Peak clipping
- 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 and 3 are correct

Q: When using DSL I/O to order an appropriate WDRC hearing instrument, the compression ratio and knee point are typically:
- under-utilized.
- over utilized.
- adequately compressed.
- too low.
- linear.
A: adequately compressed.

Q: The MOST important information for the fitting of hearing instruments is:
- MCL.
- REUR.
- SRT.
- NAL-R.
- REM.
A: MCL.

Q: To determine the ‘per octave’ slope of a linear hearing instrument you would take the amount of gain at ____________ Hz and subtract it from the amount of gain at 2000Hz. The difference between the two would indicate the slope.
- 250 Hz
- 500 Hz
- 750 Hz
- 1000 Hz
- 2000 Hz
A: 1000 Hz

Q: DSP hardware deals with:
- sampling, channels and bands.
- analog to digital converters, digital filters.
- types and uses of memories, self-calibration.
- directional processing and time delays.
- All of the above
A: All of the above

Q: Digital hearing aids in some of the auditory ecology can perform ____________ measures:
- temporal onset and offset
- spectral difference
- temporal separation
- spectral separation
- All of the above
A: All of the above

Q: Digital hearing aids and de reverberation frequently use two microphones to measure both the signal and the signal plus the noise.  The noise is then measured and subtracted from gnd signal plus noise.  The reason for this is to improve the:
- signal.
- spectrum.
- intelligibility.
- prosody.
- feature analysis.
A: intelligibility.

Q: Which ONE of these indicates the psychoacoustic measurement of the difference produced between the unaided and the aided thresholds of a hearing instrument while being worn?
- Free field
- Insertion gain
- Functional gain
- Sound field
- Occlusion
A: Functional gain

Q: With traditional real ear measurement it is recommended that the probe tube be placed at _________ mm beyond the tip of the hearing instrument.
- 2 mm
- 4 mm
- 5 mm
- 6 mm
- 8 mm
A: 5 mm

Q: Utilizing the above information including speech testing information, a post fitting sound field test is conducted on the aided right ear. If the instrument is providing adequate benefit you COULD expect:
- Aided pure tone thresholds to be within normal limits.
- Binaural fusion.
- The volume control setting to be worn at 1/2.
- Speech discrimination score to be at least 78%
- Normal warble tones.
A: Speech discrimination score to be at least 78%

Q: The MOST critical measurement variable in REM is:
- Probe tube coupler housing.
- Reference microphone.
- Probe tube placement.
- Type of test signal.
- Probe tube calibration.
A: Probe tube placement.

Q: The REUR is used as a reference value for the calculation of:
- insertion gain.
- loudness growth.
- function of frequency.
- saturation response.
- function of response.
A: insertion gain.

Q: Which of the following tests would BEST reveal an abnormal resonance in an ear canal?
- REUR
- REAR
- REOR
- REIR
- RESR
A: REUR

Q: Which of these is/ are accomplished by microprocessors?<br>1. Filtering<br>2. Multiple-band compression<br>3. noise reduction<br>4. speech enhancement
- 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: Digital devices process information that is in:
- multiple format
- standardized format
- numeric format
- quantization format
- random access format.
A: numeric format

Q: It is common practice to perform Hearing Instrument testing on your instruments when you receive them from the manufacturer. You can get valid results on analog and /or programmable digital hearing instruments using the same procedure.
- True, because ANSI standard applies to all hearing instruments.
- True, because ANSI standards were updated in 1997 to include digital hearing instruments.
- False, because there are new ANSI standards for testing digital hearing instruments.
- False, because there is no 100% test for digital hearing instruments.
- None of the above.
A: True, because ANSI standard applies to all hearing instruments.

Q: What must a hearing healthcare professional ensure when checking the directional microphone of a hearing instrument?
- the hearing instrument has at least 3 microphone holes
- the sound behind the hearing instrument is louder
- the hearing instrument has only 1 microphone hole
- the sound in front of the hearing instrument is louder
A: the sound in front of the hearing instrument is louder

Q: Which step should a hearing healthcare professional take after performing a 2cc coupler hearing aid test on a repaired BTE hearing instrument?
- print out the data for the patient/client
- retube the BTE instrument with #13HW tubing
- compare 2cc data to original specifications
- recalibrate the test equipment
A: compare 2cc data to original specifications

Q: A hearing healthcare professional is checking a new BTE hearing instrument with a telecoil switch. The switch is the last component being checked and it appears to turn the instrument off when it is activated.<br>How should the hearing healthcare professional proceed?
- schedule the patient/client for instrument fitting
- return the instrument to the factory
- determine whether the switch positions work on the telephone
- replace the switch in the office prior to fitting
A: return the instrument to the factory

Q: Which audiogram information is necessary to calculate a DSL I/O fitting formula?
- Air conduction thresholds and word recognition scores
- Bone conduction thresholds and loudness discomfort level
- Bone conduction thresholds and speech recognition scores
- Air conduction thresholds and loudness discomfort level
A: Air conduction thresholds and loudness discomfort level

Q: A hearing healthcare professional programs a hearing instrument for maximum high frequency output to help improve sound clarity for a patient/client.<br>Which acoustic transform tool is likely to enhance the hearing instrument high frequency?
- Pogo horn
- Libby horn
- Killion horn
- Berger horn
A: Libby horn

Q: While delivering a CIC style new programmable premium digital hearing instrument, you observe the patient becoming anxious while learning to insert because of feedback.<br>To help them, you can:
- activate noise reduction to maximum.
- activate the directional microphone to forward.
- activate the compression and lower all threshold kneepoints.
- activate the telecoil.
- none of the above
A: none of the above

Q: How can a hearing healthcare professional alleviate tinny sounds in a BTE hearing instrument?
- change to dri-tubing
- change to filtered earhook
- change to skeleton earmold
- change to pressure vent
A: change to filtered earhook

Q: A patient/client is being fitted with a behind the ear hearing instrument with a skeleton mold.  The patient/client has difficulty inserting the helix portion of the mold.   <br>What should the hearing healthcare professional do to assist the patient/client?
- modify the earmold
- take a second impression
- encourage continued practice
- switch to a different instrument
A: modify the earmold

Q: Which statement is LEAST correct?  You need to:
- clean otoscope with alcohol after each patient/client.
- wash your hands after going to the bathroom.
- disinfect headphones after every patient/client.
- wash hands after every patient/client.
- disinfect earmold syringe after each patient/client.
A: clean otoscope with alcohol after each patient/client.

Q: Disposable gloves are required:
- by the FDA.
- by CDC.
- by FTC.
- for sanitary measures.
- to prevent presbyopia.
A: for sanitary measures.

Q: Earmold venting will predominantly affect which frequencies?
- 125Hz through 8000Hz
- 250Hz through 750Hz
- 1000Hz through 4000Hz
- 2000Hz through 8000Hz
- 1000Hz through 2000Hz
A: 250Hz through 750Hz

Q: When taking an ear impression, under-cured impression material mixture will MOST likely do which ONE of the following?
- Provide a better fitting earmold.
- Reduce the chance of bubbles in the impression.
- Provide a more accurate impression for the lab.
- Eliminate creases or folds in the impression.
- Distort the ear impression, causing a poor fitting mold.
A: Distort the ear impression, causing a poor fitting mold.

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: When taking an ear impression, it is important to:
- keep the impression material very liquid.
- examine the ear after removing the impression.
- remove the excessive hair beyond the second bend.
- lubricate the ear with petroleum jelly.
- chill impression before shipping.
A: examine the ear after removing the impression.

Q: When discussing ear impression techniques, which ONE of the following statements is FALSE?
- More cotton/foam dams are needed if the impression will have a short canal.
- When a canal is prolapsed, a larger dam should be used to open the canal.
- Proper dam placement is beyond the second bend of the ear canal.
- It is not standard practice to vary the powder/liquid proportions to alter impression material consistency with varying temperatures.
- Silicone impression material is less prone to distortion during shipment to the earmold lab.
A: More cotton/foam dams are needed if the impression will have a short canal.

Q: To increase the high frequency emphasis in a BTE fitting, you can:<br>1. increase open bore.<br>2. double the size of a vent.<br>3. Use a "Libby horn".<br>4. decrease size of canal.
- 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 and 3 are correct

Q: Following the initial fitting the patient/client returns and asks about the possibility of wearing a smaller instrument.  What concerns should the hearing instrument dispenser have in response to this question?<br>1. Quality of life<br>2. Ear anatomy<br>3. Progressive hearing changes<br>4. Manual dexterity
- 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: An 80 -year old woman with severe hearing loss bilaterally wears dentures and two high power BTE hearing instruments.  She has a history of feedback. This patient/client has had trouble with earmolds.  Your BEST option(s) is/are:<br>1. change to wireless multi CROS fitting.<br>2. install heavy wall tubing in present molds.<br>3. turn down high frequencies.<br>4. remake molds (open jaw impressions).
- 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: The method DSL stands for:
- Desired ‘Sound pressure’ Level.
- Decibel Saturation Level.
- Desired Sensation Level.
- Digital Subscriber Line.
- Dillon, Sandlin and Lybarger Method.
A: Desired Sensation Level.

Q: Which statement BEST explains barrel effect?<br>1. Canal length is too long, vent is too narrow.<br>2. Canal length is too short, vent is too wide. <br>3. Too much low frequency gain.<br>4. Not enough low frequency gain.
- 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 and 3 are correct

Q: When modifying an earmold length or vent size, you should ALWAYS:
- Retube the earmold.
- Re-program to best fit.
- Perform REAR to verify performance.
- Increased low frequency output +8dB.
- All of the above.
A: Re-program to best fit.

Q: During the fitting period, which of the following fitting problems may occur after the initial fitting?
- Insertion problems.
- Acoustic feedback.
- Loose fit.
- All of the above.
- None of the above.
A: All of the above.

Q: The feeling of "hollowness" or "occlusion" may BEST be successfully reduced by:<br>1. lengthening the canal.<br>2. increasing output.<br>3. enlarging the vent size.<br>4. changing to screw set V.C.
- 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 and 3 are correct

Q: A 45-year old female who has worn binaural hearing instruments for 4 years complains that her right instrument is not sounding right.  Acoustic analysis shows distortion levels of 12% @ 500Hz, 14% @ 800Hz, and 26% @ 1600Hz.<br>The hearing instrument needs:
- the tone control adjusted.
- a new battery.
- the volume control cleaned.
- a new receiver tube.
- to be sent to the manufacturer for repair.
A: to be sent to the manufacturer for repair.

Q: A 47-year old male comes to your office complaining he has hearing instrument feedback all the time. Otoscopic examination indicates an occluded ear.  You would:<br>1. eliminate occlusion.<br>2. listen to hearing instrument, check for internal feedback, and eliminate occlusion.<br>3. send hearing instrument for repairs and refer him to a physician for medical attention.<br>4. listen to hearing instrument, check for internal feedback, and refer to physician for medical attention.
- 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: If you are servicing and trouble-shooting a hearing instrument that is producing no sound but has normal battery drain, which of the following would be the LEAST likely cause?<br>1. Skin oil and flakes in the microphone port<br>2. Cerumen in the receiver tube<br>3. Broken microphone wire<br>4. Broken battery contact and wire
- 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: In performing single signal sound field testing, the patient should be seated:
- parallel to the sound source.
- at a 45 degree azimuth relative to the sound source.
- with the sound source 180 degrees in the rear.
- at a 90 degree azimuth relative to the sound source.
- facing the sound source with no degree of azimuth.
A: at a 45 degree azimuth relative to the sound source.

Q: Hearing instrument validation can be accomplished using:<br>1. APHAB.<br>2. COSI.<br>3. HHIEE.<br>4. REM.
- 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: When verifying your hearing aid fitting, you should use:<br>1. REAL Ear<br>2. Patient/client satisfaction<br>3. Sound field<br>4. Computer verification
- 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: Speaker placement for speech audiometry should be:
- 30 degrees and one(1) meter
- 0 degrees and one(1) meter
- 0 degrees and three(3) meters
- 30 degrees and one(1) meter
- 30 degrees and three(3) meters
A: 0 degrees and one(1) meter

Q: Which of the following is NOT used as an outcome measurement test?
- REAR
- IHAFF
- REUR
- APHAB
- SHAPI
A: REUR

Q: Which validation method can be effectively performed in a sound field environment?
- COSI
- IHAFF
- NU-6
- REIR
A: NU-6

Q: Rather than asking a patient, "How does that sound?," which test can a hearing healthcare professional use to measure the change in a patient/client's hearing?
- APHAB
- REMOVE
- SIN
- SRT
- SAT
A: APHAB

Q: Which outcome is acceptable when performing real ear measurement in an open-ear fitting?
- aided high-frequencies above target
- aided high-frequencies below target
- aided low-frequencies above target
- aided low-frequencies below target
A: aided low-frequencies below target

Q: When should the "with hearing aid" portion of the APHAB be administered?
- one week after delivery
- two weeks after delivery
- one month after delivery
- two months after delivery
A: two weeks after delivery

Q: A patient/client with moderate presbycusis has been using amplification for six months. The patient/client reports that noise is very clear, but people's voices in crowds are indistinct. A hearing healthcare professional verifies the fitting using speech mapping equipment.<br>Which information should the hearing healthcare professional expect to discover regarding gain targets?
- low frequency gain below target with high frequency gain above target
- low frequency gain on target with high frequency above target
- low frequency gain on target with high frequency gain below target
- low frequency gain below target with high frequency gain on target
A: low frequency gain on target with high frequency gain below target

Q: A new patient/client and spouse are at the hearing healthcare professional's office for a hearing instrument fitting. <br>What should the hearing healthcare professional recommend to the patient's/client's spouse while discussing ways in which the family can help to enhance communication?
- speak loudly and slowly
- speak clearly and slowly
- speak clearly from behind patient/client
- speak softly facing patient/client
A: speak clearly and slowly

Q: Which information should a hearing healthcare professional share with a patient/client and family members about the benefits of directional microphones?
- better hearing from behind
- better signal-to-noise ratio
- better overall clarity
- better compression
A: better signal-to-noise ratio

Q: A hearing healthcare professional fits a patient/client with BTE hearing instruments with manual telecoils. <br>Where should the patient/client place the handset to optimize hearing when using the telephone?
- behind the ear, near the switch
- above the ear, by the microphone
- directly on the concha
- slightly in front of the ear
A: behind the ear, near the switch

Q: Which two recommendations should be made to family members who communicate with a hearing instrument wearer?
- speak clearly and naturally
- cover your mouth to avoid lip-reading
- speak directly into the better ear
- face the listener when speaking
- whisper to make sure the aids are working
A: speak clearly and naturally
If right: D
If wrong: D

Q: A patient/client has been using an ITC hearing instrument for approximately 16 months.  The patient/client has a new job that requires the use of a telephone with a headset. The patient/client is having difficulty understanding customers over the phone.<br>What should the hearing healthcare professional recommend to the patient/client?
- add a clarifier circuit to the existing phone
- adjust volume to maximum while on the phone
- add an amplifier to the existing phone
- cover the other ear while on the phone
A: add an amplifier to the existing phone

Q: A patient/client has been using CIC hearing instruments for approximately two years.  The patient/client reports difficulty hearing the television.<br>What should the hearing healthcare professional recommend?
- add an FM loop system for TV use
- add an infrared system for TV use
- add telecoils for TV use
- add 2-ohm filters for TV use
A: add an infrared system for TV use

Q: A patient/client is unable to hear certain high frequencies of speech. New hearing instruments have shown improved hearing; however, the patient/client reports that a family member becomes very frustrated with the quality of communication at home. <br>What should the hearing healthcare professional recommend to the family member?
- read aloud to themselves at least twice daily
- speak directly into the better ear
- speak in the frequency range that is best understood by the patient/client
- rephrase rather than repeat the same words
A: rephrase rather than repeat the same words

Q: A patient/client has been wearing new hearing instruments for five months.  During a follow-up visit, the spouse indicates that the patient/client has had trouble understanding speech in a small group setting.   A listening check of the hearing instruments reveals that the hearing instrument is set to the lowest volume setting (1).  The computer settings indicate that the hearing instrument should be set to level 3 to meet speech mapping goals for this patient/client.  <br>What are the two most important issues to discuss with the patient/client to remind them that the fitting process is only the beginning of journey in adapting to hearing aids?
- review user manual and need to replace hearing aids often
- wearing schedule and review user manual
- ask for referrals and wearing schedule
- wearing schedule and ask for referrals
A: wearing schedule and review user manual

Q: Two weeks after a hearing healthcare professional changes the tubing on a high-gain instrument, a patient/client complains of feedback. The earmold fits well.  Upon inspection of the earmold, the hearing healthcare professional notices that the tubing is securely inserted in the mold and is 5mm from the end of the earmold tip.<br>How should the hearing healthcare professional address the feedback problem?
- replace with standard wall tubing and pull to 2mm from earmold tip
- replace with standard wall tubing and keep flush with earmold tip
- replace with heavy wall tubing and pull to 3mm from earmold tip
- replace with heavy wall tubing and keep flush with earmold tip
A: replace with heavy wall tubing and keep flush with earmold tip

Q: Which two tools should be used by hearing instrument users to facilitate feedback-free telephone conversations?
- directional microphone
- telecoil
- amplified telephone----ADD DISTRACTOR--A/D converter
- hearing-aid-compatible telephone
A: telecoil
If right: D
If wrong: D

Q: What should patients/clients be taught to manage to maximize communication skills?
- hearing instrument usage
- their environments
- attention to background sound
- listening skills
A: their environments

Q: A visually impaired hearing instrument user is selecting a seat in a lecture hall that has 20 rows of seats. The speaker is standing on an elevated podium and is not using a microphone.<br>Where should this hearing instrument user sit?
- in the first row
- in the last row
- in the tenth row
- in the third row
A: in the third row

Q: Which benefit is provided by a patient's/client's use of a telecoil?
- provides access to an assistive listening loop
- can be an on/off switch for the hearing instrument
- provides an increase in high frequencies
- provides a decrease in hearing instrument output
A: provides access to an assistive listening loop

Q: A hearing healthcare professional is explaining to a patient/client how a tinnitus masker works.<br>Which aspect of tinnitus should the hearing healthcare professional be sure to include in the explanation?
- the amplitude of the tinnitus
- the dynamic range of the tinnitus
- the output of the tinnitus
- the frequency of the tinnitus
A: the frequency of the tinnitus

Q: A 21-year old patient/client presents with a dead right ear and a severe mixed loss due to atresia in the left ear.  Which of the following assistive listening devices could be appropriate for this patient/client?<br>1. Alarm clock with bed vibrator<br>2. Strobe light for smoke detector<br>3. Personal FM system<br>4. Close captioning device for TV
- 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: Strategies for telephone use with hearing aids may include:<br>1. a telecoil.<br>2. amplified telephone.<br>3. telephone placement.<br>4. switching to a 900mHz phone.
- 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, and 3 are correct

Q: You have just fit a patient/client who has decided to get new, programmable digital hearing aids after his 6 year old hearing instruments have proven useless.  He claims to know “all there is to know” about hearing instruments.  However, before he leaves, you should:
- ask him to sign a waiver.
- disable volume controls.
- go through your fitting checklist for new users.
- give him all the brochures for his new hearing instrument.
- schedule a follow-up appointment.
A: go through your fitting checklist for new users.

Q: Your client, a 40-year old professional who is very sensitive about wearing hearing instruments, wants the smallest instruments possible. Your BEST option should be to:
- not fit him with instruments because he won't wear them.
- counsel him on the limitations of the small instruments and proceed with what the client wants.
- have him get a second opinion.
- order instruments with the 5a battery to get the smallest instruments possible.
- counsel him on realistic expectations of CIC instruments.
A: counsel him on realistic expectations of CIC instruments.

Q: Selective amplification procedures assume that differences:<br>1. in hearing aids exist.<br>2. in amplification for patients exist.<br>3. can be measured.<br>4. are often negligible.
- 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, and 3 are correct

Q: Your client, a 40-year old professional who is very sensitive about wearing hearing instruments, wants the smallest instruments possible. Your BEST option should be to:
- have the family demonstrate insertion.
- demonstrate battery insertion.
- include instruction on potentiometer adjustments.
- demonstrate how to replace tubing.
- set volume to FOG.
A: demonstrate battery insertion.

Q: Your patient/client has Alzheimer's disease.  During the delivery of a new hearing instrument, you SHOULD:<br>1. repeat everything to her.<br>2. have the care-giver present.<br>3. have her repeat and write your instructions.<br>4. teach family members about hearing instrument use and care.
- 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: How do you hear the alarm when the hearing aid is removed?
- use a bed vibrator.
- use a strobe light  for door or phone.
- use an amplified telephone.
- use a TTY.
- All of the above.
A: All of the above.

Q: There are 5 stages of dealing with loss.  These are:
- Anger, Bargaining, Refusal, Hopelessness, Acceptance
- Denial, Rage, Bargaining. Depression, Grief
- Denial, Anger, Bargaining, Depression/Grief, Acceptance
- Rage, Refusal, Deal Making, Annomae, Acceptance
- All of the above
A: Denial, Anger, Bargaining, Depression/Grief, Acceptance

Q: Post-fitting follow-up appointments should be scheduled:
- monthly.
- annually.
- semi-annually.
- at the time of the fitting.
- quarterly.
A: at the time of the fitting.

Q: When counseling a patient/client, you SHOULD:<br>1. schedule follow-up appointments.<br>2. exclude her family.<br>3. discuss reasonable expectations.<br>4. counsel patient/client about mastectomy.
- 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: When a patient/client is referred to you for evaluation by another professional, the appropriate response from you includes:<br>1. Write a referral consultation letter.<br>2. Send a copy of the test results obtained by you.<br>3. Send a recommendation for follow-up.<br>4. Send a copy of the patient's bill for information.
- 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, and 3 are correct

Q: Which of the following would be LEAST effective in promoting hearing health and community relations?<br>1. Offer free hearing screenings at a local health fair.<br>2. Offer free foam ear plugs for local sporting events or concerts.<br>3. Donate a hearing aid to a needy child and get local newspaper coverage.<br>4. Offer free hearing tests in your yellow pages advertising.
- 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: Confidential records include:<br>1. Audiograms.<br>2. Medical waivers.<br>3. Case histories.<br>4. hearing instrument pricing.
- 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, and 3 are correct

Q: To protect valuable information stored in their computer, a specialist should:
- make frequent data backups and store off site
- use an uninterruptible power supply to prevent electrical damage
- use an automatic virus protection program daily
- turn off the power immediately upon hearing thunder
A: make frequent data backups and store off site

Q: A patient's/client's post auricular hearing instrument worked in the morning, but stopped working in the afternoon. What is the first thing the hearing healthcare professional should check?
- the battery
- the tubing
- the microphone
- the receiver
A: the battery

Q: A patient/client complains that the hearing instrument works intermittently.  After initial inspection, the hearing healthcare professional squeezes and taps on the case.<br>Which problem does the hearing healthcare professional likely suspect?
- a receiver problem
- a battery problem
- an amplifier problem
- a wiring problem
A: a wiring problem

Q: A patient/client reports that a BTE hearing instrument is dead. The hearing healthcare professional conducts a listening check with the earhook removed and finds that the hearing instrument operates properly. What is the likely cause of the patient's/client's problem?
- crack in tubing
- moisture in tubing
- disarticulated tubing
- excessively dry tubing
A: moisture in tubing

Q: Cerumen will primarily affect which component of a canal hearing instrument?
- receiver
- microphone
- volume control
- amplifier
A: receiver

Q: While performing a listening check on a post-auricular hearing instrument, a hearing healthcare professional notes feedback with a full-on volume setting.  The instrument has been tested in a test box and is performing to specifications. Which step should the hearing healthcare professional take to complete the listening check?
- turn the volume down
- cover the earmold tip and vent
- check the patient's/client's ear
- change the earmold tubing
A: cover the earmold tip and vent

Q: Your patient/client complains that their new hearing instruments are using excessive batteries. The two items you require to calculate the expected battery life of the patient/client hearing instruments are:
- the size of battery
- the hearing aid circuit drain
- the patient/client hearing aid volume control setting
- the rated battery capacity
- the battery resistance
- the output of the hearing aid
A: the hearing aid circuit drain
If right: D
If wrong: D

Q: A hearing healthcare professional is troubleshooting a poorly performing ITE instrument. The hearing healthcare professional clears cerumen debris from the receiver opening, but the listening check reveals that the hearing instrument is weak. What should the hearing healthcare professional check next?
- battery contacts
- microphone
- telecoil
- volume control
A: microphone

Q: A hearing healthcare professional is checking a hearing instrument. The instrument appears to be dead, but the telecoil is working properly. Which component is likely faulty?
- amplifier
- microphone
- receiver
- program button
A: microphone