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': 'Inulin clearance closely resembles ? \nSelect and explain. \nA. G. F. R., B. Renal Plasma flow, C. Creatinine clearance, D. P.A.H. clearance', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. GFR', 'role': 'assistant'}]