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': 'Indications of celiotomy in blunt trauma: \nSelect and explain. \nA. Grade I spleen damage, B. Grade II liver damage, C. Peritoneal air on imaging, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans is C (Peritoneal air on imaging) Most spleen and liver injuries are managed non-operatively, if the patient is hemodynamically stable.', 'role': 'assistant'}]