This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Pharmacology, Subject name: Pharmacology
[{'content': 'If a drug is excreted in urine at the rate of 10 mg/hr at a steady-state plasma concentration of 5 mg/L, then its renal clearance is: \nSelect and explain. \nA. 0.5 L/hr, B. 2.0 L/hr, C. 5.0 L/hr, D. 20 L/hr', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. 2.0L/hra. Rate of elimination (RoE)- Amount of drug/timeb. Clearance (Cl):- rate of elimination/concentrationc. In the given MCQ, RoE=10mg/hr;Con=5mg/L,d. Therefore, Cl=10/5=2L/hr', 'role': 'assistant'}]