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HEARING AID DISPENSER WRITTEN EXAM QUESTIONS AND ANSWERS $9.00   Add to cart

Exam (elaborations)

HEARING AID DISPENSER WRITTEN EXAM QUESTIONS AND ANSWERS

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  • Course
  • Hearing aid dispenser
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  • Hearing Aid Dispenser

HEARING AID DISPENSER WRITTEN EXAM QUESTIONS AND ANSWERS

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  • September 26, 2024
  • 172
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Hearing aid dispenser
  • Hearing aid dispenser
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204 Multiple choice questions

Definition 1 of 204
applied if sounds were too sharp, "clipped" off the output response, this resulted in distortion

Output compression

Peak clipping technique

type Ad tympanogram

Fixed directional microphone

Definition 2 of 204
multiple channel w/ single memory

class 2 programmable hearing aid

class 4 programmable hearing aid

class 3 programmable hearing aid

class 7 programmable hearing aid

Definition 3 of 204
tranduces the electrical energy from the microphone and IC and transduces it back to
acoustical energy

acoustic reflex

ITE custom


receiver function:

resistors / insulators

,Definition 4 of 204
air

verification definition


false negative response in testing

the elastic medium in sound


can you fit HAs with any abnormal tympanogram?

Definition 5 of 204
transitor using magnetic microphones (sufficient in speech freq and durable) 1964,
omnidirectional

Resistors / insulators

barotrauma


Fet microphone

ITE custom

Definition 6 of 204
normal pressure and compliance

output compression


type Ad tymp

class A amplifier

type A tympanogram

,Definition 7 of 204
build up of fluids in the scala media, too much production of endolymph or absorbed too
slowly resulting in pressure that damages the organ of corti. most apparent symptom: vertigo

meniere's disease aka endolymphatic hydrops


auditory neuropathy

input compression

annular ligament

Definition 8 of 204
-150 to +25 daPa

relationship of speech UCL from db HL to db SPL

formula for the need to mask in air conduction test

relationship of speech ucl from db hl to db spl


normal pressure values of TM (the force it takes)

Definition 9 of 204
5 db

what freq cannot be calculated for in a high freq avg?


unit of loudness measurement

effect of belling the end of a horn

intensity shift in central masking

Definition 10 of 204
heard and perceived later than original sound (more than 1/10s after)

reflection

echo

ultrasound

harmonic distortion

, Definition 11 of 204
abnormally acute hearing due to heightened irritability of the sensory and/or neural
mechanisms. bothered by moderate or even soft sounds

otosclerosis

presbycusis

hypoacusis

hyperacusis

Definition 12 of 204
gather sound, aid in localization, enahnce high freq bw 2k-5k hz

pinna function:

acoustic neuroma

intermodulation distortion


type Ad tympanogram

Definition 13 of 204
narrowest pass-way between scala vestibule and scala tympani

anotia

helicotrema


perilymph

oval window

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