Medical Emergencies · single question
The gold-standard diagnostic test for obstructive sleep apnea is:
Show answer and explanation
Correct answer: B. Overnight polysomnography (a monitored sleep study)
- A. Cephalometrics assess airway anatomy but do not diagnose apnea events.
- B. Correct. Polysomnography (sleep study) records apnea/hypopnea events and is the diagnostic standard.
- C. CBCT shows anatomy, not sleep physiology.
- D. Isolated oximetry is a screening tool, not the diagnostic standard.
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