This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spleen, Subject name: Surgery
[{'content': 'Which of the following is a contraindication to nonoperative management of splenic injury? \nSelect and explain. \nA. Prior hematologic disorder, B. HIV-positive patient, C. Hemodynamic instability, D. Multiple other solid-organ injuries', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hemodynamic instability is the most pressing indication for operative treatment in a patient with splenic injury. In all other situations listed a trial of nonoperative management may be continued.', 'role': 'assistant'}]