Sensory supply of vocal cord: (A) Internal laryngeal nerve, (B) Recurrent laryngeal nerve, (C) Superior laryngeal nerve, (D) All of the above
Answer is D. The mucous membrane of the vocal cords is supplied by the internal laryngeal nerve while below the vocal cords by the recurrent laryngeal nerve. The superior laryngeal nerve divides into external and internal laryngeal nerves. Reference: Textbook of anatomy, Head Neck, and Brain, Vishram Singh, 2nd edition, page no.227,347