This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Anatomy
During tonsillectomy, which of the following structure is NOT injured 
Select and explain. 
A. Glossopharyngeal nerve, B. Paratonsillar vein, C. Tonsillar branch of facial aery, D. External carotid aery
D: External carotid aery
Answer: D: External carotid aery 
Explanation: STRUCTURES DAMAGED DURING TONSILLECTOMY: - Tonsil is supplied by Tonsillar branch of facial aery - Para-tonsillar vein is also present which may bleed heavily in procedure of tonsillectomy - Glossopharyngeal nerve supplying that area of palate is at the floor of tonsil bed - can be compromised - Superior pharyngeal constrictor is related to fascia