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': 'Route of approach of glossopharyngeal neurectomy: \nSelect and explain. \nA. Tonsillectomy approach, B. Transpalatal approach, C. Transmandibular approach, D. Transpharyngeal approach', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Tonsillecotmy is done as a pa of the following operations: Palatopharyngoplasty which is done for sleep apnea syndrome Glossopharyngal neurectomy--tonsil is removed first and then IX nerve is severed in the bed of tonsil Removal of styloid process.', 'role': 'assistant'}]