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HEARING AID DISPENSING EXAM TEST PREP QUESTIONS AND ANSWERS $9.00   Add to cart

Exam (elaborations)

HEARING AID DISPENSING EXAM TEST PREP QUESTIONS AND ANSWERS

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  • Hearing aid dispenser
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  • Hearing Aid Dispenser

HEARING AID DISPENSING EXAM TEST PREP QUESTIONS AND ANSWERS

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  • September 26, 2024
  • 264
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Hearing aid dispenser
  • Hearing aid dispenser
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231 Multiple choice questions

Term 1 of 231
What are the 3 forms of venting?

1. parallel (most common & preferred/modifies low freq. w/out affecting high freq.)

2. diagonal (more prone to feedback/should only be used when physically necessary for
small canals)


3. external (appropriate for EAR DRAINAGE & feedback)

1. Speech Mapping

2. Gain based (REIG)

The efficiency with which the ME structures transmit sound to the cochlea.

1.) dB SPL (sound pressure level) = 0.0002 dynes/cm2 or 20 pascals

2.) dB HL (hearing level) = audiometric zero

3.) dB SL (sensation level) = threshold

Term 2 of 231
harmonics in output not present at input

frequency response

intermodulation distortion


frequency distortion

harmonic distortion

,Term 3 of 231
Two IMPORTANT POINTS are that prescriptive methods must be u_______ as they apply to HA
programming for f____ f____AND how they are employed for t______ for fitting verification

overlooked

best fit


purpose

understood


first fit

target

ignored


random fit

aim

misinterpreted


last fit

objective

Term 4 of 231
What's it called when the THD % has to be less than or equal to the published values + 3%?

Tolerance for THD


Fourier Analysis

Binaural Summation

Cold Running Speech

,Term 5 of 231
At times a binaural HL pt can only afford a 1 hearing aid. How can you improve performance?

connect the HA to the manufacturer's software (phonak) & adjust the GAIN at the
frequencies that don't meet the targets.


1. standard

2. medium

3. thick

4. double walled


**typical tubing life is 3-12 months

1. directional microphones
2. reduce low frequency gain (less head in a barrel/hollow sound)

1. output (receiver/dB SPL)
2. gain (amplifier/dB HL)
3. frequency response

**this is all put into an algorithm

Term 6 of 231
The singular perception of two different signals presented to each ear simultaneously is:

binaural fusion

coupler

binaural squelch

binaural interaction

, Term 7 of 231
What are the 3 membranes in the inner ear? What are the three fluid filled cavities in the inner
ear?

1. Speech Mapping

2. Gain based (REIG)

1. select a block that is larger in diameter than the ear canal

2. Place the block in the canal aperture (opening)


3. gently use the tip of an earlight to tap around the edge of the otoblock (clockwise) to
place it in position (prevents block from skewing and not going in parallel)

4. the block must be placed just beyond the second canal bend for most fittings

1.) basilar


2.) reissners

3.) tectoral

1. scala tympani
2. scala vestibuli
3. scala media

1. visual acuity
2. manual dexterity
3. cognitive ability

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