You are asked to calculate the creatinine clearance rate for a patient and are presented with the following data:

Urine Creatinine 1.75 mg/dL
Plasma Creatinine 3.22 mg/dL
Surface area of patient's body 42 m2

What other information do you need to calculate the creatinine clearance for this patient?
A) The total volume of the patient
B) The total volume of the patient's plasma
C) The total volume of the plasma sample
D) The total volume of the urine sample

D