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: Surgery
[{'content': 'All the metacarpals of the hand are endowed with one epiphysis each which is usually located near the head of the metacarpal except \nSelect and explain. \nA. Index metacarpal, B. Ring metacarpal, C. Thumb metacarpal, D. Middle finger metacarpal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All the metacarpals in the hand have one epiphysis per bone which is in the head of the bone except the thumb, where it is in the base', 'role': 'assistant'}]