Hearing Aid Specialist Exam
Questions Part 2 with detailed
answers
The hole extending through the canal to the tubing connection or the receiver nub is the:
A) Bridge
B) Helix
C) Sound bore
D) Vent
E) Flare - correct answer ✔✔ C) Sound bore
Resistance to the transmission of sound is greatest for which frequencies?
A) High
B) Low
C) Medium
D) All
E) No - correct answer ✔✔ A) High
Smaller diameter sound bore tubing has the effect of:
A) Decreasing gain and output
B) Increasing gain and output
C) Assisting high frequency response
,D) Reducing high frequency response
E) Both a and b - correct answer ✔✔ B) Increasing gain and output
Modification of the hearing aid response can be provided by:
A) Tone controls
B) Tubing size
C) Earmold modification
D) Receiver inserts
E) All of the above - correct answer ✔✔ E) All of the above
That which is often thought of as an input transducer in reverse is the:
A) Vacuum tube
B) Receiver
C) Diaphragm
D) Electret microphone
E) Transistor - correct answer ✔✔ B) Receiver
Transistors, resistors, capacitors and switches comprise the:
A) Amplifier
B) Microphone
C) Receiver
D) Battery e Cell - correct answer ✔✔ C) Receiver
, The part of the hearing aid which converts the electrical signal to an acoustical or vibratory
output is the:
A) Microphone
B) Output transducer
C) Oscillator
D) Tone potentiometer
E) Amplifier - correct answer ✔✔ B) Output transducer
The function of an amplifier is to:
A) Convert acoustical to electrical energy
B) Convert electrical to acoustical energy
C) Increase the amplitude of the signal picked up by the microphone
D) Limit the MPO of the hearing aid
E) Act as the power supply of the hearing aid - correct answer ✔✔ C) Increase the amplitude of
the signal picked up by the microphone
Which component takes energy from a transducer by means of an induction pickup?
A) Microphone
B) Receiver
C) Bone-conduction vibrator
D) Amplifier
E) Telephone coil - correct answer ✔✔ E) Telephone coil
The level dependent frequency response ASP showing bass increasing at low levels is:
Questions Part 2 with detailed
answers
The hole extending through the canal to the tubing connection or the receiver nub is the:
A) Bridge
B) Helix
C) Sound bore
D) Vent
E) Flare - correct answer ✔✔ C) Sound bore
Resistance to the transmission of sound is greatest for which frequencies?
A) High
B) Low
C) Medium
D) All
E) No - correct answer ✔✔ A) High
Smaller diameter sound bore tubing has the effect of:
A) Decreasing gain and output
B) Increasing gain and output
C) Assisting high frequency response
,D) Reducing high frequency response
E) Both a and b - correct answer ✔✔ B) Increasing gain and output
Modification of the hearing aid response can be provided by:
A) Tone controls
B) Tubing size
C) Earmold modification
D) Receiver inserts
E) All of the above - correct answer ✔✔ E) All of the above
That which is often thought of as an input transducer in reverse is the:
A) Vacuum tube
B) Receiver
C) Diaphragm
D) Electret microphone
E) Transistor - correct answer ✔✔ B) Receiver
Transistors, resistors, capacitors and switches comprise the:
A) Amplifier
B) Microphone
C) Receiver
D) Battery e Cell - correct answer ✔✔ C) Receiver
, The part of the hearing aid which converts the electrical signal to an acoustical or vibratory
output is the:
A) Microphone
B) Output transducer
C) Oscillator
D) Tone potentiometer
E) Amplifier - correct answer ✔✔ B) Output transducer
The function of an amplifier is to:
A) Convert acoustical to electrical energy
B) Convert electrical to acoustical energy
C) Increase the amplitude of the signal picked up by the microphone
D) Limit the MPO of the hearing aid
E) Act as the power supply of the hearing aid - correct answer ✔✔ C) Increase the amplitude of
the signal picked up by the microphone
Which component takes energy from a transducer by means of an induction pickup?
A) Microphone
B) Receiver
C) Bone-conduction vibrator
D) Amplifier
E) Telephone coil - correct answer ✔✔ E) Telephone coil
The level dependent frequency response ASP showing bass increasing at low levels is:
