What will be the renal clearance if the rate of urinary excretion is 625 ml/min and plasma drug concentration is 4.2 ng/ml?

What will be the renal clearance if the rate of urinary excretion is 6

1.	What will be the renal clearance if the rate of urinary excretion is 625 ml/min and plasma drug concentration is 4.2 ng/ml?
A.	148.80ml<sup>2</sup>/ng min
B.	150ml<sup>2</sup>/ng min
C.	152ml<sup>2</sup>/ng min
D.	140ml<sup>2</sup>/ng min
Answer» B. 150ml<sup>2</sup>/ng min