This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
Which of the following muscle is not supplied by recurrent laryngeal nerve 
Select and explain. 
A. Post cricoarytenoid, B. Thyroarytenoid, C. Lateral cricoarytenoid, D. Cricothyroid
D: Cricothyroid
Answer: D: Cricothyroid 
Explanation: All the muscles which move the vocal cord ( abductors, adductors or tensors) are supplied by the recurrent laryngeal nerve except for the cricothyroid muscle. The latter receives its innervation from the external laryngeal nerve which is a branch of superior laryngeal nerve. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 7, page - 337