Hearing Aid Specialist Exam Questions
Part 2 With Verified Solutions Graded
A+.
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 - 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 - 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 - 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 - 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 - Answer B) Receiver
Transistors, resistors, capacitors and switches comprise the:
A) Amplifier
B) Microphone
C) Receiver
D) Battery e Cell - 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 - 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 - 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 - Answer E) Telephone coil
The level dependent frequency response ASP showing bass increasing at low levels is:
A) TILL
B) BILL
C) PILL
D) LDFR
E) Not enough information - Answer B) BILL
A condition in which a 5 dB gain occurs in the output of a hearing aid with an input of 10 dB is:
Part 2 With Verified Solutions Graded
A+.
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 - 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 - 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 - 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 - 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 - Answer B) Receiver
Transistors, resistors, capacitors and switches comprise the:
A) Amplifier
B) Microphone
C) Receiver
D) Battery e Cell - 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 - 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 - 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 - Answer E) Telephone coil
The level dependent frequency response ASP showing bass increasing at low levels is:
A) TILL
B) BILL
C) PILL
D) LDFR
E) Not enough information - Answer B) BILL
A condition in which a 5 dB gain occurs in the output of a hearing aid with an input of 10 dB is:
