This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Physiology
[{'content': 'True about MMV: \nSelect and explain. \nA. 150 lt per min, B. Measured with maximum voluntary effo, C. Maximum breathing capacity per minute, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: MVV: 150lt per min Maximum volume of air that can be breathed In and out by the patient per min Ref: G K Pal textbook of Practical physiology 4th edition, page number:159', 'role': 'assistant'}]