IHS Instrument Selection 5

Question 1

When fitting a patient with a steeply sloping high-frequency hearing loss, which gain prescription approach is MOST appropriate?

Accepted Answer

Substantially increased high-frequency gain with minimal low-frequency amplification

Answer

A steeply sloping loss requires significantly more gain in the high frequencies where the loss is greatest while avoiding over-amplification of low frequencies where hearing may be near normal.

Question 2

During a hearing aid evaluation, a patient's aided word recognition score improves significantly compared to unaided scores. This finding MOST indicates:

Accepted Answer

The patient is a good candidate who will likely achieve real-world benefit from amplification

Answer

Improved word recognition with amplification is a positive prognostic indicator that the patient will receive meaningful benefit from hearing instruments.

Question 3

Which patient would receive the LEAST benefit from a directional microphone system?

Accepted Answer

A patient who is primarily homebound and watches television in a quiet room

Answer

A primarily homebound patient in a controlled quiet environment rarely faces competing noise from behind, making directional microphone benefit minimal in their daily life.

Question 4

The occlusion effect is MOST commonly reported by which patient group?

Accepted Answer

Patients with good low-frequency hearing wearing occluding earmolds

Answer

Patients with intact low-frequency hearing who wear occluding earmolds perceive their own voice as hollow because bone-conducted vocal energy cannot escape the sealed canal.

Question 5

In which listening environment is a telecoil MOST beneficial?

Accepted Answer

Venues with installed hearing loop (induction loop) systems such as theaters or churches

Answer

Telecoils pick up electromagnetic signals from installed hearing loop systems, delivering a direct clean signal that bypasses environmental background noise.

IHS - International Hearing Society Practice Test

IHS - International Hearing Society Practice Test

IHS Instrument Selection 5