This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'The most common etiological agent for acute bronchiolotis in infancy is: March 2011 \nSelect and explain. \nA. Influenza virus, B. Parainfluenza virus, C. Rhino virus, D. Respiratory Synctial virus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: Respiratory Synctial virus Respiratory synctial virus is implicated in most cases of bronchiolitis Bronchiolitis: MC infective organisms: RSV and H. influenzae Mole common in boys Self limiting Chest X-ray shows: Hyperinflation with multiple areas of interstitial infiltration May lead to asthma in later life DOC: Ribavirin Oxygen is also helpful RSV immunoglobulins has no role in acute attacks Antibiotics are not used in initial phase', 'role': 'assistant'}]