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': 'All the following are branches of lateral cord of brachial plexus except \nSelect and explain. \nA. Lateral pectoral nerve, B. Thoracodorsal nerve, C. Musculocutaneous nerve, D. Lateral root of median nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Branches of lateral cord:1. Lateral pectoral nerve (C5, 6, 7) - Pectoralis major muscle2. Musculocutaneous nerve (C5, 6, 7) - Coracobrachialis, biceps brachii, brachialis muscles? supplies skin along the lateral border of the forearm when it becomes the lateral cutaneous nerve of forearm3. Lateral root of the median nerve (C5, 6, 7) Ref: Chaurasia; Volume 1; 6th edition; Page no: 56', 'role': 'assistant'}]