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: Unknown
[{'content': 'Deep branch of ulnar nerve innervates: \nSelect and explain. \nA. I and II lumbricals, B. Palmaris brevis, C. Dorsal interossei, D. Opponens pollicis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: There are twenty muscles in hands of which all are supplied by the ulnar nerve except the following five muscles which are supplied by median nerve:\n1 Abductor pollicis brevis\n2. Flexor pollicis brevis (also often receives additional supply from the deep branch of ulnar nerve)\n3. Opponens pollicis\n4. First lumbrical\n5. Second lumbrical\nNote: Palmaris brevis is supplied by superficial branch of ulnar nerve. All interossei are supplied by deep branch of ulnar nerve.', 'role': 'assistant'}]