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': 'Bullet wounds near major blood vessels should be explored only if -a) The extremity is coldb) The fingers or toes are paralysedc) The pulse is weakenedd) There in no pulsee) In all cases regardless of physical findings \nSelect and explain. \nA. ab, B. bc, C. cd, D. ac', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]