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ENT · Ear and audiology: auditory steady-state response
Sample itemA baby with a flat ABR click response is suspected to have profound loss, but frequency-specific thresholds are needed to plan amplification. Which objective test can provide thresholds at 500 to 4000 Hz without active cooperation?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Auditory steady-state response testing
ASSR uses amplitude- or frequency-modulated tones and objective statistical detection of the brain response, so it gives frequency-specific estimates of thresholds, including in the severe to profound range where click ABR may show no wave. It does not need behavioural participation.
Option by option
A. Auditory steady-state response testing (correct)
Correct. ASSR gives objective frequency-specific thresholds even at high levels.
B. Rinne tuning fork test
Tuning forks are not reliable or feasible in infants.
C. Tympanometry
Tympanometry assesses middle ear mobility only.
D. Acoustic reflex testing
Acoustic reflex tests do not give pure tone thresholds.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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