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': 'Musculocutaneous nerve supplies all of the following, EXCEPT: \nSelect and explain. \nA. Brachialis, B. Brachioradialis, C. Biceps, D. Coracobrachialis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The musculocutaneous nerve arises from the lateral cord of the brachial plexus, opposite the lower border of the pectoralis major, its fibers being derived from C5, C6 and C7. In its course through the arm it innervates the coracobrachialis, biceps brachii, and the greater pa of the brachialis.', 'role': 'assistant'}]