Hearing Aid Dispenser License questions with verified
answers
______________ energy cause the TM to move back and forth. Ans✓✓✓
Acoustic energy
4 types of ethics Ans✓✓✓ 1. personal ethics, 2. professional ethics, 3.
organizational ethics, & 4. business ethics
5 tympanometry results Ans✓✓✓ 1. Type A
2. Type As
3. Type Ad
4. Type B
5. Type C
A 70%- 80% on a WR test is rated as....? Ans✓✓✓ .......fair
A 90% or above on a WR test is rated as....? Ans✓✓✓ .......excellent
A hearing instruments performance is commonly referred to in terms of....?
Ans✓✓✓ gain, output and frequency response
About how many dB does the sound pressure increase due to impedance
matching in the middle ear? Ans✓✓✓ ~37dB
,Absorption Ans✓✓✓ ______________ is the opposite of reflection. Drapes,
carpet and upholstered furniture absorb sound waves and reduce reflections and
echoes.
ACA stands for Ans✓✓✓ American Conference of Audioprosthology
Acoustic Reflex Ans✓✓✓ ______________________ is the involuntary response
or contraction of the stapedius. When it contracts in one ear, it does it in the
other as well.
Acoustic trauma Ans✓✓✓ ____________________ is inner ear damage due to a
single intense acoustic event (ex. gun shot next to head)
Acoustics Ans✓✓✓ __________ is a branch of physics specializing in sound.
Adult Eustachian tubes Vs. Children Eustachian tubes Ans✓✓✓ Adults: longer,
arched, downward slanting; about 3.7 cm; normally closed
Children: rather straight, short, horizontal; relatively open
Amplitude Ans✓✓✓ _________ graphically describes the intensity of the energy
of a vibrating body. It is usually expressed in decibels (dB)
An 80%- 90% on a WR test is rated as....? Ans✓✓✓ .....good
Annulus or Annular ring Ans✓✓✓ _________ or ____________ holds the TM in
place.
, Another name for harmonics is...? Ans✓✓✓ ...............overtones.
Another name for the Apex is the ...? Ans✓✓✓ ..... apical turn or the helicotrema
Another name for the ear canal is the ______________________________.
Ans✓✓✓ External Auditory meatus.
Another name for the scala media is.....? Ans✓✓✓ ...another name is the
cochlear duct or the membranous labyrinth
ANSI stands for.....? Ans✓✓✓ ...... American National Standards Institute
Aperiodic Sounds Ans✓✓✓ ________________ do not repeat themselves and do
not have harmonics that are integer multiples of the fundamental frequency.
Noise is a common oxample of an _______________ complex _____________.
Apex Ans✓✓✓ ___________ is the other end of the coil (not the base)
Arnold's reflex Ans✓✓✓ _____________ triggers a cough reflex when touched.
At sea level, sound waves travel in the air at about __________ feet per second or
more than 760 miles per hour. Ans✓✓✓ they travel at 1100 feet per second.
Atresia Ans✓✓✓ ___________________ is a malformed or missing pinna.
answers
______________ energy cause the TM to move back and forth. Ans✓✓✓
Acoustic energy
4 types of ethics Ans✓✓✓ 1. personal ethics, 2. professional ethics, 3.
organizational ethics, & 4. business ethics
5 tympanometry results Ans✓✓✓ 1. Type A
2. Type As
3. Type Ad
4. Type B
5. Type C
A 70%- 80% on a WR test is rated as....? Ans✓✓✓ .......fair
A 90% or above on a WR test is rated as....? Ans✓✓✓ .......excellent
A hearing instruments performance is commonly referred to in terms of....?
Ans✓✓✓ gain, output and frequency response
About how many dB does the sound pressure increase due to impedance
matching in the middle ear? Ans✓✓✓ ~37dB
,Absorption Ans✓✓✓ ______________ is the opposite of reflection. Drapes,
carpet and upholstered furniture absorb sound waves and reduce reflections and
echoes.
ACA stands for Ans✓✓✓ American Conference of Audioprosthology
Acoustic Reflex Ans✓✓✓ ______________________ is the involuntary response
or contraction of the stapedius. When it contracts in one ear, it does it in the
other as well.
Acoustic trauma Ans✓✓✓ ____________________ is inner ear damage due to a
single intense acoustic event (ex. gun shot next to head)
Acoustics Ans✓✓✓ __________ is a branch of physics specializing in sound.
Adult Eustachian tubes Vs. Children Eustachian tubes Ans✓✓✓ Adults: longer,
arched, downward slanting; about 3.7 cm; normally closed
Children: rather straight, short, horizontal; relatively open
Amplitude Ans✓✓✓ _________ graphically describes the intensity of the energy
of a vibrating body. It is usually expressed in decibels (dB)
An 80%- 90% on a WR test is rated as....? Ans✓✓✓ .....good
Annulus or Annular ring Ans✓✓✓ _________ or ____________ holds the TM in
place.
, Another name for harmonics is...? Ans✓✓✓ ...............overtones.
Another name for the Apex is the ...? Ans✓✓✓ ..... apical turn or the helicotrema
Another name for the ear canal is the ______________________________.
Ans✓✓✓ External Auditory meatus.
Another name for the scala media is.....? Ans✓✓✓ ...another name is the
cochlear duct or the membranous labyrinth
ANSI stands for.....? Ans✓✓✓ ...... American National Standards Institute
Aperiodic Sounds Ans✓✓✓ ________________ do not repeat themselves and do
not have harmonics that are integer multiples of the fundamental frequency.
Noise is a common oxample of an _______________ complex _____________.
Apex Ans✓✓✓ ___________ is the other end of the coil (not the base)
Arnold's reflex Ans✓✓✓ _____________ triggers a cough reflex when touched.
At sea level, sound waves travel in the air at about __________ feet per second or
more than 760 miles per hour. Ans✓✓✓ they travel at 1100 feet per second.
Atresia Ans✓✓✓ ___________________ is a malformed or missing pinna.
