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': 'To investigate fluid requirement in burn patient, the best approach is: \nSelect and explain. \nA. Urine output, B. CVP, C. Blood volume measurement, D. Estimate body surface area (burn)', 'role': 'user'}, {'content': 'Answer: D \nExplanation: estimate surface area Intravenous resuscitation is only done in patient with burn more than 1. 10% total body surface area (in children) 2. 15% total body surface area (in adult)', 'role': 'assistant'}]