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IHS Exam 2024 with correct answers
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IHS Exam 2024 with correct answers
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IHS Exam 2024 with correct answersIn general, mold modifications are as follows: - .......🔷ANSWERS🔶......✔✔ Venting affects lows,
damping the midrange and horn effects boost highs.
Basic verification involves: - .......🔷ANSWERS🔶......✔✔ checking MCL and UCL in quiet and
noise.
Sound field is - .......🔷ANSWERS🔶......✔✔ a controlled environment
The configuration and height of the tympanogram can be a factor in deciding the proper matrix for
the fitting of a hearing aid: - .......🔷ANSWERS🔶......✔✔ A high Type A tells us to decrease the
output by 2-3 dB
You cannot use feedback checks when - .......🔷ANSWERS🔶......✔✔ checking the telephone coil
Verification procedures: - .......🔷ANSWERS🔶......✔✔ Check the accuracy of your fitting.
The problems produced by excessive ambient noise are - .......🔷ANSWERS🔶......✔✔ greater for the
lower frequencies than the higher frequencies
The decibel is - .......🔷ANSWERS🔶......✔✔ a ratio between two intensities
REUR measurement are taken in - .......🔷ANSWERS🔶......✔✔ an open human ear canal
When a hearing aid is dead, you can check the receiver and microphone function by:
- .......🔷ANSWERS🔶......✔✔ turning on the instrument telecoil
,The dividing line between the external and middle ear is the - .......🔷ANSWERS🔶......✔✔ tympanic
membrane
The cochlea, acting as a frequency analyzer, distributes acoustic stimuli to places along the basilar
membrane according to frequency. This forms the basis of a hypothesis called the:
- .......🔷ANSWERS🔶......✔✔ Place Theory
An organic disorder is when there is damage to: - .......🔷ANSWERS🔶......✔✔ The hearing
mechanism, the neural pathways and the brain.
The speed of sound in air, in feet per second, is : - .......🔷ANSWERS🔶......✔✔ 1100
Properly selected hearing instruments should allow: - .......🔷ANSWERS🔶......✔✔ The patient to
wear an instrument at a comfortable loudness level, improved communication and have better
hearing aided.
Crystal microphones and receivers: - .......🔷ANSWERS🔶......✔✔ are very fragile
Which of the following is not a coupler used for measuring hearing aid performance?
- .......🔷ANSWERS🔶......✔✔ Zwisks Ear Simulator
Small diameter tubing of SIA hearing aids has the effect of : - .......🔷ANSWERS🔶......✔✔ reducing
the high frequency gain
The function of a microphone is to : - .......🔷ANSWERS🔶......✔✔ convert acoustic energy into
electrical energy
Vent an earmold : - .......🔷ANSWERS🔶......✔✔ is the most common modification made on an
earmold
When a new hearing instrument has feedback at the patients comfortable level, the problem is
usually: - .......🔷ANSWERS🔶......✔✔ too much wax in the ear canal
, With SIE-S hearing aids: - .......🔷ANSWERS🔶......✔✔ The only signal is from the hearing aid and
phrase effects from a vent are not an issue.
The most comfortable level is: - .......🔷ANSWERS🔶......✔✔ About 45 dB HL or 65 dB SPL for
normal ears
Any complex sound can be broken down into individual frequencies by a technique known as:
- .......🔷ANSWERS🔶......✔✔ Fourier Spectral analysis
The adult ear canal: - .......🔷ANSWERS🔶......✔✔ rises upward and forward, then descends to the
drum.
An effective verification is: - .......🔷ANSWERS🔶......✔✔ a measure able improvement in
communication
Which of the following is not included in correct test protocols? - .......🔷ANSWERS🔶......✔✔
plugging the hearing aid vent to control feedback
Most conducive losses: - .......🔷ANSWERS🔶......✔✔ Are medically correctable, display a
breakdown or obstruction in middle ear and display good discrimination
The T position on a hearing aid switch can be used to - .......🔷ANSWERS🔶......✔✔ amplify a
telephone conversation, couple hearing aid into a loop inductor, couple directly into the audio of a
radio or tv
The following components can change or modify the frequency response of a hearing instrument:
- .......🔷ANSWERS🔶......✔✔ a microphone
Afferent fibers: - .......🔷ANSWERS🔶......✔✔ transmit from the cochlea to the brain.
User satisfaction must include: - .......🔷ANSWERS🔶......✔✔ patient preferences
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