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: Anatomy
[{'content': 'Damage to the internal laryngeal nerve results in \nSelect and explain. \nA. Hoarseness, B. Loss of timbre of voice, C. Anaesthesia of the larynx, D. Brathing difficulty', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Anesthesia of larynx', 'role': 'assistant'}]