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
[{'content': 'Which of the following laryngeal muscle arise 4th arch \nSelect and explain. \nA. Cricothyroid, B. Transverse arytenoids, C. Posterior cricoarytenoid, D. Lateral arytenoids', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., CricothyroidAll intrinsic muscles of larynx are derived from 6th arch except cricothyroid which arises from 4th arch", 'role': 'assistant'}]