This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
[{'content': 'Sensory nerve supply of larynx below the level of vocal cord is: \nSelect and explain. \nA. External branch of superior laryngeal nerve, B. Internal branch of superior laryngeal nerve, C. Recurrent laryngeal nerve, D. Inferior pharyngeal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nerve supply of larynx\n\nSensory:\n\n––The internal laryngeal nerve supplies the mucous membrane up to the level of the vocal folds.\n––The recurrent laryngeal nerve supplies below the level of the vocal folds.\n\nMotor:\n\n––All intrinsic muscles of the larynx are supplied by the recurrent laryngeal nerve except for the cricothyroid\nwhich is supplied by the external laryngeal nerve.', 'role': 'assistant'}]