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: Physiology
[{'content': 'In a patient with cardiac output 5 liters/minute and body surface area 1.7 m2 what will be the cardiac index \nSelect and explain. \nA. 3 liter/ min/ m2, B. 4 liter/min/m2, C. 5 liter/ min/ m2, D. 2.5 liter/ mkin/ m2', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. 3 liters / min/m2', 'role': 'assistant'}]