1 MCQs in Pediatrics for NEET PG
A 9-year-old boy presents with habitual snoring, witnessed apneas during sleep, and daytime hyperactivity. Polysomnography confirms moderate obstructive sleep apnea (OSA). Spirometry is performed and shows: FEV₁ 92% predicted, FVC 96% predicted, FEV₁/FVC ratio 80%, but the parameter marked **A** in the flow-volume loop is reduced at 58% predicted, with characteristic scooping of the descending expiratory limb. Which of the following best explains the spirometric pattern observed at **A**?
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