A 56-Year-Old Man Was Admitted to the Hospital with a Myocardial

A 56-year-old man was admitted to the hospital with a myocardial infarction.At admission,his serum creatinine level was 1.2 mg/dL,and his creatinine clearance rate was 100 mL/minute.Over the next 3 days,he had several periods of hypotension,and his serum creatinine level increased to 3.6 mg/dL.Assuming that he is in steady-state balance for creatinine level (i.e.,amount excreted = amounted produced) ,what is his predicted creatinine clearance rate?

A) 10 mL/minute
B) 33 mL/minute
C) 50 mL/minute
D) 66 mL/minute
E) 100 mL/minute