This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Coracobrachialis is pierced by which nerve \nSelect and explain. \nA. Axillary, B. Median, C. Musculocutaneous, D. Ulnar', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Coracobrachialis is pierced by the musculocutaneous nerve (C5 - C7). It flexes the arm at the shoulder joint. REF: BD Chaurasia 7th edition Page no: 91.', 'role': 'assistant'}]