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': 'Adenoidectomy with grommet inseion is treatment of choice for \nSelect and explain. \nA. Serous otitis media in children, B. Serous otitis media in adults, C. Adenoiditis in children, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Common cause of serous otitis media in children is growth of adenoid; hence treatment aims at removal of cause (adenoidectomy) and drainage of middle ear by grommet. Serous otitis media in adults should arouse suspicion of nasopharyngeal carcinoma and hence the treatment aims at removal of carcinoma Adenoiditis is an acute condition and requires treatment conservatively.', 'role': 'assistant'}]