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ENT · Sleep-disordered breathing
Sample itemA bed partner reports very loud nightly snoring in a 45-year-old man. Which assessment objectively grades the severity of his sleep-related upper airway obstruction?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Overnight polysomnography reporting the apnoea-hypopnoea index
Severity is defined by the number of apnoeas and hypopnoeas per hour measured during a sleep study. Snoring loudness and sleepiness scores do not correlate reliably with obstruction severity.
Option by option
A. Overnight polysomnography reporting the apnoea-hypopnoea index (correct)
Correct. The apnoea-hypopnoea index quantifies obstruction events.
B. A single Epworth sleepiness score
The Epworth score is a subjective screening tool.
C. Lateral soft-tissue neck radiograph
A radiograph shows static anatomy rather than events during sleep.
D. Loudness of snoring reported by the partner
Loudness is subjective and does not grade severity.
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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