Rate of elimination of a new drug is 20mg/hr it is steady state plasma concentration of 10mg/L, then it's renal clearance will be: (A) 0.5L/hr, (B) 2.0L/hr, (C) 5.0L/hr, (D) 20L/hr
Answer is B. Ref-Katzung 10/e p35 Clearance=Rate of elimination/plasma concentration 20mg/hr /10mg/L =2L/hr