What is the clearance of a substance when its concentration in plasma is 10mg./dl, its concentration in urine is 100 mg./dl. and urine flow is 2 ml./min.:
A. 2 ml. / minB. 5 ml. / min.
C. 10 ml./min.
D. 20 ml./mm.
The Answer is D. 20 ml. / min.
•
NOTE: Clearance = concentration in urine X Urine flow
concentration in
plasma
= 100mg./dl.X2ml./min.
l0mg./dl.
=20 ml. /min.
