This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
[{'content': 'Musculocutaneous nerve pierces which one of the following muscle? \nSelect and explain. \nA. Brachialis, B. Corachobrachialis, C. Biceps muscle, D. Brachioradialis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The musculocutaneous nerve supplies the biceps brachi, brachialis & coracobrachialis. It pierces the coracobrachialis, lies between the biceps & brachialis & continues laterally as the lateral cutaneous nerve of the forearm. It supplies the skin of forearm from the elbow to the wrist joint. Ref: guyton and hall textbook of medical physiology 12 edition page number:671,672,673', 'role': 'assistant'}]