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': 'Bronchial breathing seen in all except \nSelect and explain. \nA. Lobar pneumonia, B. Chronic bronchitis, C. Consolidation, D. Bronchopneumonia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: When consolidated,as in lobar pneumonia and bronchopneumonia,the conduction of sound is enhanced and auscultation reveals bronchial breathing.It is also heard in collapse with patent bronchus,over a superficial empty cavity,sometimes above the level of pleural effusion,and in open pneumothorax In chronic bronchitis, we get reduced breath sounds with wheeze.Crackels may accompany infection. IN pneumonia: stage 1 & stage 2 ( congestion and resolution ) patient have crackles where as red and grey hepatisation bronchial sounds are heard.', 'role': 'assistant'}]