This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'True about autoregulation of renal blood flow is? \nSelect and explain. \nA. Changes propoional to MAP, B. Changes inversely propoional to change in MAP, C. Remains relatively constant over changes in MAP, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Renal blood flow remains relatively constant over changes in MAP.Ref: Ganong&;s review of medical physiology; 24th edition; page no; 676', 'role': 'assistant'}]