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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Correct. Phosphate binders are most effective when taken with meals because they bind to dietary phosphorus, preventing its absorption in the digestive tract.
B. Incorrect. While constipation can be a side effect of some phosphate binders, drinking plenty of fluids is not directly related to this issue.
C. Incorrect. Phosphate binders should be taken with meals, and calcium supplements should be taken separately to prevent interactions between the two medications.
D. Incorrect. Phosphate binders do not typically lower potassium levels, and monitoring potassium intake is not specifically related to their use.
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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