Bronchiolitis — USMLE Step 2 CK MCQ
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Correct answer: D — Supportive care with nasal suction and supplemental oxygen to maintain SpO2 at least 90%
Supportive care is standard; oxygen is given to maintain saturations at or above about 90%. Routine bronchodilators (A) and systemic steroids (B) are not recommended. Empiric antibiotics (C) are not indicated. Targeting near-normal saturations (E) is unnecessary and may prolong hospitalization.
Reference: AAP Clinical Practice Guideline (2014): Diagnosis and Management of Bronchiolitis