A patient with chronic renal failure will have lab work to evaluate his kidney function. The nurse knows that which of the following are most accurate in predicting kidney function? 


• Creatinine clearance closely correlates with the glomerular filtration rate and tubular excretion ability. It is the most effective way to measure GFR in patients with chronic kidney disease

• The other options all test kidney function and disease, but they can be influenced by various factors that are unrelated to kidney disease

Visit our website for other NCLEX topics now!