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: ENT
[{'content': 'A year old child presents with bilateral hearing difficulty. Impedance audiometry shows type B Curve. There is bilateral conductive hearing deficit. There is no sign of infection. Next step is ? \nSelect and explain. \nA. Wait and watch, B. Grommet, C. Myringotomy and aspiration, D. Canal wall down procedure', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is'a'i.e., wait and watch [Ref: Dhingra 5th/e p. 72; ENT in primary care p/e p. 611The diagnosis is of serous otitis media.It is the most common cause of hearing loss in school children.Unless there is a sign of an infection, most health care providers will not treat SoM at first. rnstead, they will recheck the problem in 2-3 months.", 'role': 'assistant'}]