HIS Hearing Instrument Selection & Fitting

Question 1

Which factor is most critical in selecting a hearing aid?

Accepted Answer

Lifestyle and hearing loss

Answer

User's height

Answer

Hair color

Answer

Foot size

Question 2

What is the purpose of a real ear measurement (REM)?

Accepted Answer

Measure sound at eardrum

Answer

Check battery life

Answer

Monitor earwax levels

Answer

Fit the earmold

Question 3

Which style of hearing aid is most discreet?

Accepted Answer

Completely-in-the-canal

Answer

Behind-the-ear

Answer

Receiver-in-canal

Answer

Body-worn aid

Question 4

Why are open-fit hearing aids often preferred for high-frequency loss?

Accepted Answer

Allow natural low-frequency hearing

Answer

They are waterproof

Answer

Work better in noisy environments

Answer

Are less expensive

Question 5

Which component converts sound into electrical signals?

Accepted Answer

Microphone

Answer

Receiver

Answer

Amplifier

Answer

Battery

Question 6

Which of the following best defines gain in a hearing aid?

Accepted Answer

Output minus input

Answer

The total sound produced

Answer

Battery capacity

Answer

Microphone sensitivity

Question 7

Why is ear canal resonance important in hearing aid fitting?

Accepted Answer

It impacts natural sound delivery

Answer

It improves battery life

Answer

It eliminates feedback

Answer

It controls compression

Question 8

Which fitting formula is widely used for adult patients?

Accepted Answer

NAL-NL2

Answer

DSL m[i/o]

Answer

RECD

Answer

OSPL90

Question 9

What is feedback in a hearing aid?

Accepted Answer

Whistling sound from leakage

Answer

A software update

Answer

Echo in noisy rooms

Answer

Battery alarm