skip to main content

Bronchiolitis — USMLE Step 3 MCQ

Instant feedback + full explanation. One question, done properly.

EasyAmbulatory Medicine / Primary CareBronchiolitisUSMLE Step 3

A 6-month-old infant is brought to clinic in winter with 3 days of rhinorrhea, cough, and wheeze. Oxygen saturation is 96% on room air. He is feeding adequately and has mild subcostal retractions. He was born at term and has no cardiopulmonary disease. Which of the following is the most appropriate at this time?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: A — Supportive care with nasal suction and hydration advice

Bronchiolitis in a well-appearing infant with adequate oxygenation is managed supportively; bronchodilators, antibiotics, steroids, and routine radiography are not indicated.

Reference: AAP bronchiolitis guideline