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': 'Urine flow rate is 10 ml/min, plasma inulin is 2 mg/ ml and urine inulin is 25 mg/ml. Which of the following statement is true ? \nSelect and explain. \nA. Inulin clearance = GFR, B. Inulin clearance > GFR, C. Inulin clearance > GFR, D. GFR cannot be calculated by above data', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Inulin clearance = GFRMeasurement of GFRIf a substance is designated by letter 'X', the GFR is equal to the concentration of 'X' in urine (Ux) times the urine flow per unit time (v) divided by aerial plasma level of X (Px).", 'role': 'assistant'}]