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: Surgery
[{'content': 'Tonsillectomy is recommended if number of acute infections in a year exceed: \nSelect and explain. \nA. 3, B. 4, C. 5, D. 6', 'role': 'user'}, {'content': "Answer: A \nExplanation: Tonsillectomy and adenoidectomy are indicated for chronic or recurrent acute infection and for obstructive hyperophy. The American Academy of Otolaryngology-Head and Neck Surgery Clinical Indicators Compendium suggests tonsillectomy after three or more infections per year despite adequate medical therapy. Some feel that tonsillectomy is indicated in children who miss 2 or more weeks of school annually secondary to tonsil infections. Ref: Schwaz's principle of surgery 9th edition, chapter 18.", 'role': 'assistant'}]