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
Route of approach of glossopharyngeal neurectomy: 
Select and explain. 
A. Tonsillectomy approach, B. Transpalatal approach, C. Transmandibular approach, D. Transpharyngeal approach
A: Tonsillectomy approach
Answer: A: Tonsillectomy approach 
Explanation: 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.