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
Most common nerve injured in ligation of superior thyroid aery: 
Select and explain. 
A. Recurrent laryngeal nerve, B. Facial nerve, C. Mandibular nerve, D. External laryngeal nerve
D: External laryngeal nerve
Answer: D: External laryngeal nerve 
Explanation: The external laryngeal nerve lies in relation to superior thyroid aery. The recurrent laryngeal nerve lies close to inferior thyroid aery.