Which of the following is the only intrinsic muscle of larynx that lies outside the laryngeal framework: (A) Cricopharyngeus, (B) Superior constrictor, (C) Cricothyroid, (D) Lateral cricoarytenoid
Answer is C. Cricothyroid muscle is the only intrinsic muscle which is supplied by external laryngeal nerve and lies outside the laryngeal framework. Ref:- Dhingra; pg num:-284