A nurse is reviewing the GFR calculation for a client with chronic renal failure. The client's serum creatinine level is 2.5 mg/dL. What should the nurse do next?
Convert the creatinine level to micromoles per liter (μmol/L).
Obtain a 24-hour urine sample for creatinine clearance measurement.
Calculate the client's body surface area to adjust the GFR calculation.
Plug the creatinine level into the appropriate GFR formula.
The Correct Answer is D
A. Incorrect. Converting the creatinine level to micromoles per liter is not necessary for the GFR calculation.
B. Incorrect. While a 24-hour urine sample can be used to measure creatinine clearance, it is not required for the GFR calculation, which can be estimated using formulas.
C. Incorrect. Calculating the body surface area is not necessary for the GFR calculation.
D. Correct. The GFR can be estimated using formulas that include the serum creatinine level, such as the Modification of Diet in Renal Disease (MDRD. formula or the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation.
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Related Questions
Correct Answer is C
Explanation
A. Incorrect. A GFR value of 50 mL/min/1.73m² indicates some level of kidney dysfunction, not normal kidney function.
B. Incorrect. A GFR value of 50 mL/min/1.73m² indicates moderate kidney dysfunction, not mild impairment.
C. Correct. A GFR value of 50 mL/min/1.73m² is considered to represent moderate kidney dysfunction. This level of GFR indicates that the kidneys are not effectively filtering waste and fluids from the blood.
D. Incorrect. While a GFR value of 50 mL/min/1.73m² indicates kidney dysfunction, it does not represent severe kidney damage. Severe kidney dysfunction would have a much lower GFR value.
Correct Answer is C
Explanation
A. Incorrect. Age is a non-modifiable risk factor for chronic renal failure. While the risk of kidney disease may increase with age, it is not something that individuals can control or change.
B. Incorrect. Gender is also a non-modifiable risk factor, as both males and females can develop chronic renal failure. It does not impact an individual's ability to modify their risk.
C. Correct. Smoking is a modifiable risk factor for chronic renal failure. Smoking can damage blood vessels, leading to reduced blood flow to the kidneys and an increased risk of kidney disease.
D. Incorrect. Family history of kidney disease is a non-modifiable risk factor. While individuals cannot change their family history, they can modify other lifestyle factors, such as smoking, to reduce their overall risk of kidney disease.
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