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Hearing Aid Specialist Exam Questions Part 1 with correct Answers
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Hearing Aid Specialist Exam Questions Part 1 with correct Answers
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Hearing Aid Specialist Exam Questions Part 1 with correct AnswersA properly fitted ear mold should: A) Hold the receiver in place B) Seal the ear canal in some cases C) Direct amplified sound towards the Tympanic Membrane D) Be cosmetically appealing E) All of the above - Answer -E) All of the above
The transistor depends upon the flow of electrons through: A)A gas B) A semi-conductor C)A solid D) a and c E) b and c - Answer -E) b and c
Which of the following pairs correctly compares transistors to vacuum tubes: A) Emitter/Grid B) Collector/Cathode C) Base/Anode D) Semi-conductor/filament E) Current Amplifier/Voltage Amplifier - Answer -D) Semi-conductor/filament
One of the following statements about volume controls is not accurate: A) Allows user to select a comfortable listening level B) Are mostly of the carbon type C) Has consistent taper from aid to aid D) Has a range of between 30 - 40 dB in an aid E) Is sometimes a screw set control - Answer -B) Are mostly of the carbon type
Which of the following battery cells is used most frequently today: A) Mercury B) Silver oxide C) Nicade D) Zinc oxide E) Zinc air - Answer -E) Zinc air
The sound applied to the microphone is referred to as: A) Output B) MPO C) Input D) Saturation E) Gain - Answer -C) Input
The failure for a system to reproduce a wave form exactly is: A) Frequency response B) Distortion C) Compression D) Rarefaction E) Saturation - Answer -B) Distortion
The latest performance standards for hearing aids to which they are manufactured is: A) ANSI 1987 B) HAIC 1999 C) ANSI 1984 D) ANSI 1996 E) ISO 1995 - Answer -D) ANSI 1996
If a hearing aid has a gain of 40 dB and the input is 65 dB, the output will be:
A) 100 dB B) 130 dB C) 15 dB D) 125 dB E) 105 dB - Answer -E) 105 dB
If the maximum output of an aid is at 1000 Hz and is 130 dB, with a gain of 50 dB what was the input? A) 60 dB B) 50 dB C) 70 dB D) 90 dB E) they are equal at 1000, 1600 and 2500 Hz - Answer -C) 70 dB
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