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?

To reduce calcium absorption and prevent kidney stone formation.

To decrease phosphate levels and prevent hyperphosphatemia.

To improve iron absorption and manage anemia.

To increase potassium excretion and prevent hyperkalemia.

Answer and Explanation

The Correct Answer is B

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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Correct Answer is C

Explanation

A. Incorrect. The volume of urine produced in 24 hours is measured through a different test called the 24-hour urine collection, not the GFR test.

B. Incorrect. The GFR test does not assess blood glucose levels; it is primarily used to evaluate kidney function.

C. Correct. The GFR test measures how well the kidneys are filtering waste and fluids from the blood. It is an important indicator of kidney function and is commonly used to stage chronic renal failure.

D. Incorrect. The GFR test does not specifically measure the excretion of potassium and sodium in the urine; instead, it focuses on overall kidney function and filtration rate.

A. Increase consumption of dairy products high in potassium. B. Include more fruits and vegetables in the diet. C. Limit the intake of nuts and seeds. D. Replace red meat with poultry in meals.

Correct Answer is C

Explanation

A. Incorrect. Dairy products are high in potassium and should be limited in clients at risk for hyperkalemia.

B. Incorrect. Fruits and vegetables are also high in potassium and should be limited in clients with chronic renal failure and hyperkalemia risk.

C. Correct. Nuts and seeds are rich sources of potassium and should be restricted in the diet of clients at risk for hyperkalemia.

D. Incorrect. Poultry is a good protein source, but the type of protein is not the main concern for clients at risk for hyperkalemia; it is the overall potassium content of the diet that needs to be reduced.

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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?

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Naxlex Comprehensive Predictor Exams

A client with chronic renal failure asks the nurse about the purpose of the glomerular filtration rate (GFR) test. What is the nurse's best response?

Correct Answer is C

Explanation

A nurse is caring for a client with chronic renal failure who is at risk for hyperkalemia. Which dietary modification should the nurse recommend to the client to reduce potassium intake?

Correct Answer is C

Explanation

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