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 - \nSelect and explain. \nA. The extremity is cold, B. The fingers or toes are paralysed, C. The pulse is weakened, D. There in no pulse', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans is c i.e. The pulse is weakened', 'role': 'assistant'}]