<prompt> Cricothyroid muscle is supplied byRecurrent laryngeal nerveInferior laryngeal nerveSuperior laryngeal nerveNerve of galen  <response>: Ref BDC volume 3;sixth edition pg 257 All intrinsic muscles of the larynx are supplied by the recurrent laryngeal nerve except for the cricothyroid which is supplied by the external laryngeal nerve. 