Sensory supply of larynx, below the vocal cord: (A) Superior laryngeal nerve, (B) Inferior laryngeal nerve, (C) Recurrent laryngeal nerve, (D) Internal laryngeal nerve
Answer is C. Sensory supply: The internal laryngeal nerve supplies the mucous membrane upto the level of the vocal folds. The recurrent laryngeal nerve supplies it below the level of the vocal folds. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.