This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
The changes in voice produced as a result of External laryngeal nerve injury post thyroidectomy are all except 
Select and explain. 
A. Voice fatigue, B. Hoarseness, C. Inability to sing at higher ranges, D. Poor volume and projection
B: Hoarseness
Answer: B: Hoarseness 
Explanation: The superior laryngeal nerve has two branches: an internal branch that supplies sensory fibers to the larynx and an external branch that supplies motor fibers to the cricothyroid muscles and tenses the vocal cords. The external branch can run closely adherent to the superior thyroid aery, and care must be exercised during dissection in this area. Injury to the external branch causes voice changes, huskiness, Poor volume and projection , voice fatigue, and inability to sing at higher ranges