This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Which of the following laryngeal muscles is supplied by the external laryngeal nerve? 
Select and explain. 
A. Posterior cricoarytenoid, B. Lateral cricoarytenoid, C. Cricothyroid, D. Thyroarytenoid
C: Cricothyroid
Answer: C: Cricothyroid 
Explanation: External laryngeal nerve only supplies cricothyroid muscle. Notes: Recurrent laryngeal nerve supplies posterior cricoarytenoid, lateral cricoarytenoid, transverse and oblique arytenoid, aryepiglottic, thyroarytenoid, thyroepiglottic muscles. It supplies all intrinsic muscles except cricothyroid. During thyroidectomy, the superior thyroid aery is located near the gland to save the external laryngeal nerve. BDC 6th edition pg 251