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.

Answer and Explanation

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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Correct Answer is B

Explanation

A. Incorrect. Reducing protein intake can lead to calcium loss and bone fractures in clients with chronic renal failure, as it may affect

bone health.

B. Correct. Limiting protein intake is a common dietary recommendation for clients with chronic renal failure to reduce the workload on the kidneys and slow the progression of kidney damage. Protein metabolism produces waste products that the kidneys must filter and excrete, and reducing protein intake can help alleviate this burden on the already compromised kidneys.

C. Incorrect. Decreasing protein intake may not necessarily improve appetite or overall nutritional status, as protein is essential for maintaining body functions and tissue repair.

D. Incorrect. While reducing protein intake can result in fewer waste products being generated, the primary reason for limiting protein intake in chronic renal failure is to reduce the strain on the kidneys, not solely to decrease waste production.

QUESTIONS

A. Peripheral neuropathy due to uremic toxins B. Increased blood flow to the extremities C. Adequate nerve conduction related to calcium levels D. Hypokalemia from potassium-sparing diuretics

Correct Answer is A

Explanation

A. Correct. Peripheral neuropathy, characterized by tingling sensations or "pins and needles" in the hands and feet, is a common neurological complication of chronic renal failure. Uremic toxins build up in the blood when the kidneys are unable to adequately filter waste products, leading to nerve damage and peripheral neuropathy.

B. Incorrect. Increased blood flow to the extremities is not typically associated with the "pins and needles" sensation described by the client.

C. Incorrect. Adequate nerve conduction related to calcium levels would not cause the "pins and needles" sensation; instead, disturbances in calcium levels can lead to other neurological symptoms.

D. Incorrect. Hypokalemia, or low potassium levels, can cause muscle weakness or cramps but is not typically associated with peripheral neuropathy.

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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?

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Naxlex Comprehensive Predictor Exams

A client with chronic renal failure asks the nurse why they need to limit their dietary protein intake. What is the nurse's best response?

Correct Answer is B

Explanation

A nurse is caring for a client with chronic renal failure who complains of "pins and needles" sensation in their hands and feet. What should the nurse recognize as the possible cause of this symptom?

Correct Answer is A

Explanation

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