Hearing Loss Audiological Testing and Diagnosis Test 3

Question 1

Universal Newborn Hearing Screening (UNHS) programs primarily use which two tests?

Accepted Answer

OAE and ABR (or AABR)

Answer

ABR and tympanometry

Answer

Pure-tone audiometry and SRT

Answer

DPOAE and acoustic reflex testing

Question 2

The acoustic (stapedius) reflex test measures:

Accepted Answer

The contraction of the stapedius muscle in response to a loud sound

Answer

Cochlear outer hair cell function at threshold

Answer

Neural transmission speed from cochlea to cortex

Answer

Eustachian tube opening pressure

Question 3

Auditory Neuropathy Spectrum Disorder (ANSD) is characterized by which combination of test findings?

Accepted Answer

Present OAEs and absent or severely abnormal ABR

Answer

Absent OAEs and absent ABR

Answer

Absent OAEs and normal ABR

Answer

Normal OAEs and normal ABR with elevated pure-tone thresholds

Question 4

The Pure Tone Average (PTA) is calculated by averaging hearing thresholds at which three frequencies?

Accepted Answer

500, 1000, and 2000 Hz

Answer

250, 500, and 1000 Hz

Answer

1000, 2000, and 4000 Hz

Answer

2000, 4000, and 8000 Hz

Question 5

Why is 'masking' used during audiological testing?

Accepted Answer

To prevent the non-test ear from responding to stimuli intended for the test ear

Answer

To reduce the patient's anxiety during testing

Answer

To enhance the test ear's sensitivity to pure tones

Answer

To calibrate the audiometer before testing begins

Question 6

A 'Type B' tympanogram (flat curve with no peak) most commonly indicates:

Accepted Answer

Fluid in the middle ear (otitis media with effusion)

Answer

Normal middle ear function

Answer

Otosclerosis with a fixed stapes

Answer

A perforated tympanic membrane (when ear canal volume is normal)

Question 7

High-frequency audiometry, which tests frequencies above 8,000 Hz (up to 20,000 Hz), is particularly useful for monitoring:

Accepted Answer

Early ototoxic hearing loss from chemotherapy or aminoglycoside antibiotics

Answer

Age-related low-frequency hearing loss (presbycusis)

Answer

Conductive hearing loss from middle ear disease

Answer

Central auditory processing disorders