Answer and explanation

Correct answer: A. Nasopharyngeal aspirate for respiratory syncytial virus

  1. Step 1: The test that best confirms Bronchiolitis is: nasopharyngeal aspirate for respiratory syncytial virus.
Answer
Nasopharyngeal aspirate for respiratory syncytial virus.
Why not the others: 'Sweat chloride test': it screens for cystic fibrosis. 'Chest radiograph as routine': it does not change management. 'Blood culture for all infants': it is not routine.

Practise more Paediatric and obstetric cases.

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