Patient is having a procedure to determine the patient's glomerular filtration rate (GFR). Which method would provide the most accurate GFR ?
A. Blood urea nitrogen level
B. Urinary sediment examination
C. Creatinine clearance formula
D. Inulin clearance test
A. Blood urea nitrogen level
B. Urinary sediment examination
C. Creatinine clearance formula
D. Inulin clearance test