Hearing Aid Specialist Exam Questions Part 1 100% distinction 2024

A 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 - Correct 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 - Correct 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 - Correct 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 - Correct 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 - Correct Answer E) Zinc air The sound applied to the microphone is referred to as: A) Output B) MPO C) Input D) Saturation E) Gain - Correct 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 - Correct 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 - Correct 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 - Correct 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?