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: Pediatrics
[{'content': 'A 4 year child presents with a history of hoarseness, croupy cough and aphonia, the child has dyspnoea with wheezing. The most probable diagnosis is \nSelect and explain. \nA. Asthmatic bronchitis, B. Laryngeal Foreign body, C. Bronchopneumonia, D. Retropharyngeal abscess', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The given symptoms points to laryngeal foreign body. the course of illness depends on the nature of foreign body,its size,extent,and site of lodgement. Ref : Essential pediatrics,O.P.Ghai,7 th edition,pg no:367', 'role': 'assistant'}]