Closure of glottis is by, all except -: (A) Posterior cricoarytenoids, (B) Lateral cricoarytenoids, (C) Cricothyroid, (D) Thyroarytenoids
Answer is A. Muscles which adduct the vocal cords (close the glottis) are thyroarytenoid, lateral cricoarytenoid, Interarytenoid (Transverse arytenoid), Cricothyroid.