A nurse is reviewing the GFR test results for a client with chronic renal failure. The GFR value is 50 mL/min/1.73m². How should the nurse interpret this result?

The client has normal kidney function.

The client has mild kidney impairment.

The client has moderate kidney dysfunction.

The client's kidneys are severely damaged.

Answer and Explanation

The Correct Answer is C

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.

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Correct Answer is D

Explanation

A. Incorrect. Proteinuria, or the presence of excessive protein in the urine, may be a symptom of kidney dysfunction, but it is not directly related to periorbital edema and swelling of the ankles and feet.

B. Incorrect. Hypokalemia, or low potassium levels, may cause muscle weakness and other symptoms but is not associated with the specific edema described.

C. Incorrect. Hypernatremia, or high sodium levels, may lead to symptoms such as thirst and confusion but does not typically cause peripheral edema.

D. Correct. Periorbital edema (swelling around the eyes) and edema in the ankles and feet are classic signs of fluid overload in chronic renal failure. The impaired kidney function in chronic renal failure leads to the retention of fluid and sodium in the body, resulting in edema.

A. To reduce calcium absorption and prevent kidney stone formation. B. To decrease phosphate levels and prevent hyperphosphatemia. C. To improve iron absorption and manage anemia. D. To increase potassium excretion and prevent hyperkalemia.

Correct Answer is B

Explanation

A. Incorrect. Phosphate binders are not used to reduce calcium absorption. They are specifically prescribed to control phosphate levels in the blood.

B. Correct. Phosphate binders are medications that bind to dietary phosphorus in the digestive tract, preventing its absorption and reducing phosphate levels in the blood. This helps manage hyperphosphatemia, a common complication in chronic renal failure.

C. Incorrect. Phosphate binders do not improve iron absorption or manage anemia. They are not related to iron metabolism.

D. Incorrect. Phosphate binders do not affect potassium excretion. They are specific to phosphate control in the body and do not impact potassium levels.

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A nurse is reviewing the GFR test results for a client with chronic renal failure. The GFR value is 50 mL/min/1.73m². How should the nurse interpret this result?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with chronic renal failure is experiencing periorbital edema and swelling of the ankles and feet. Which complication should the nurse suspect based on these clinical manifestations?

Correct Answer is D

Explanation

A nurse is caring for a client with chronic renal failure who is prescribed phosphate binders. What is the rationale for administering phosphate binders to this client?

Correct Answer is B

Explanation

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