Most common nerve injured by ligation of sup thyroid artery -
High-Yield Explanation
Ans. is 'a' i.e., RLN o Recurrent laryngeal nerve (RLN) may be damaged during superior thyroid artery- ligation. Most common nerve injured by ligation of 1. Sup thyroid artery- Recurrent laryngeal nerve and 2. Inferior thyroid artery- Superior laryngeal nerve