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: Anatomy
Which of the following is not true about the larynx? 
Select and explain. 
A. All intrinsic muscles are supplied by the recurrent laryngeal nerve, B. Cricothyroid is supplied by the external laryngeal nerve, C. Posterior cricoarytenoid abduct the vocal cords, D. Lymphatic drainage of the larynx is to the deep cervical nodes
A: All intrinsic muscles are supplied by the recurrent laryngeal nerve
Answer: A: All intrinsic muscles are supplied by the recurrent laryngeal nerve 
Explanation: All intrinsic muscles are supplied by the recurrent laryngeal nerve except cricothyroid is supplied by external laryngeal nerve.