<prompt> Which of the following muscle is not supplied by recurrent laryngeal nervePost cricoarytenoidThyroarytenoidLateral cricoarytenoidCricothyroid  <response>: All the muscles which move the vocal cord abductors, adductors or tensors are supplied by the recurrent laryngeal nerve except for the cricothyroid muscle. The latter receives its innervation from the external laryngeal nerve which is a branch of superior laryngeal nerve. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 7, page - 337 