<prompt> If a drug is excreted in urine at the rate of 10 mghr at a steady-state plasma concentration of 5 mgL, then its renal clearance is:0.5 Lhr2.0 Lhr5.0 Lhr20 Lhr  <response>: Ans. B. 2.0Lhra. Rate of elimination RoE- Amount of drugtimeb. Clearance Cl:- rate of eliminationconcentrationc. In the given MCQ, RoE10mghr;Con5mgL,d. Therefore, Cl1052Lhr 