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': 'A 6 months old baby coming with /o increasing difficulty in breathing of 2 days duration and on examination baby is afebrile & B/L wheeze & CXR shows B/L hyperinflation of the lungs with normal WBC count, the diagnosis is – \nSelect and explain. \nA. Bronchiolitis, B. Asthma, C. Ch. Bronchitis, D. Pneumonia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Clinical manifestations of bronchiolitis \n\nThe usual course of the disease is 1-2 days of → Fever, Rhinorrhea, Cough\nThis is followed by -\nWheezing\xa0\xa0\nCyanosis\xa0\xa0\nTachypnea\xa0\nNasal flaring\xa0\xa0\xa0\xa0\xa0\nThe breathing pattern is shallow\nRales, crepitation and Ronchi\xa0\n\nRespiratory distress → retraction of intercostal space & suprasternal notch.\n\nLiver and spleen are pushed downward because the hyperinflated emphysematous lungs push the diaphragm downward.\nAnteroposterior diameter of the chest is increased and hyper-resonance is noted on percussion.\nThe leukocyte count is normal or slightly elevated.\n\nChest X-ray\n\nHyperinflation of the lung\nThe diaphragm is pushed down\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nLung fields are abnormally translucent.', 'role': 'assistant'}]