HAC Hearing Aid Audiology & Hearing Assessment 2

Question 1

Which audiometric test measures the softest sound a patient can detect 50% of the time?

Accepted Answer

Pure-tone threshold

Answer

Pure-tone threshold is the minimum intensity level at which a patient detects a tone 50% of the time it is presented.

Question 2

A patient's audiogram shows a 'cookie-bite' pattern. Which frequencies are most affected?

Accepted Answer

Mid frequencies (1000–2000 Hz)

Answer

A cookie-bite audiogram shows greatest hearing loss in the mid-frequency range, sparing lows and highs.

Question 3

What does a type B tympanogram indicate?

Accepted Answer

Eustachian tube dysfunction or fluid in the middle ear

Answer

A flat (Type B) tympanogram indicates reduced or absent tympanic membrane mobility, commonly caused by fluid or perforation.

Question 4

Which term describes the range of sounds between a patient's threshold and their uncomfortable loudness level?

Accepted Answer

Dynamic range

Answer

Dynamic range is the difference in decibels between the hearing threshold and the level at which sound becomes uncomfortably loud.

Question 5

During speech audiometry, what does a word recognition score (WRS) of 72% suggest?

Accepted Answer

Poor speech discrimination ability

Answer

A WRS below 80% is generally considered poor and suggests difficulty understanding speech even when it is audible.

(HAC) Hearing Aid Certification Practice Test