<prompt> Which of the following is the abductor of vocal cords?Lateral cricoarytenoidPosterior cricoarytenoidAnterior cricoarytenoidCricothyroid  <response>: Muscles acting on vocal cords: Abductor of vocal cord: Posterior cricoarytenoid Adductors: Lateral cricoarytenoid, interarytenoid transverse arytenoid, thyroarytenoid external pa Tensors: Cricothyroid vocalis internal pa of thyroarytenoid 