This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital Lesions and Stridor, Subject name: ENT
[{'content': 'Most common cause of intermittent stridor in a 10 days old child is: \nSelect and explain. \nA. Laryngomalacia, B. Foreign body, C. Vocal nodule, D. Hypertrophy of turbinate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (a) Laryngomalacia(Ref. Current Diagnosis & Treatment Otolaryngology, Lalwani, 3rd ed., 481; Scott Brown, 8th ed., Vol 2; 333)Rest of the options are not valid in a 10 days old neonate.', 'role': 'assistant'}]