This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
[{'content': 'Crackles are frequently heard in which of the following conditions? \nSelect and explain. \nA. Pneumothorax, B. Pleural effusion, C. Bronchial asthma, D. Bronchiolitis', 'role': 'user'}, {'content': "Answer: D \nExplanation: The presence of finger clubbing and the presence of bi-basal fine late inspiratory crackles are characteristic feature of respiratory bronchiolitis. Breath sounds are diminished or absent in pneumothorax and pleural effusion.Bronchial asthma is characterised by the presence of rhonchi Ref:Davidson's med:22nd edition,page no:708.", 'role': 'assistant'}]