Which of the following laryngeal muscle arise 4th arch: (A) Cricothyroid, (B) Transverse arytenoids, (C) Posterior cricoarytenoid, (D) Lateral arytenoids
Answer is A. Ans. is 'a' i.e., CricothyroidAll intrinsic muscles of larynx are derived from 6th arch except cricothyroid which arises from 4th arch