A nurse is caring for a client receiving sodium polystyrene sulfonate (Kayexalate) for the treatment of chronic renal disease. The nurse should monitor for which therapeutic effect of sodium polystyrene sulfonate (Kayexalate)?
Decreased serum sodium
Decreased serum phosphorus
Decreased urine specific gravity
Decreased serum potassium
The Correct Answer is D
A. Decreased serum sodium: Kayexalate exchanges sodium for potassium, so sodium may actually increase.
B. Decreased serum phosphorus: Kayexalate does not directly affect phosphate levels.
C. Decreased urine specific gravity: Kayexalate does not influence urine output or concentration.
D. Decreased serum potassium: Kayexalate treats hyperkalemia by exchanging potassium ions for sodium in the intestines, lowering serum potassium.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Omeprazole: Not directly nephrotoxic, but long-term use has been associated with interstitial nephritis, although rarely.
B. Ondansetron: Generally safe in renal disease and not known to cause nephrotoxicity.
C. Vancomycin: Known nephrotoxic agent, especially with high trough levels or when used with other nephrotoxins; requires dose adjustment in CKD.
D. Diphenhydramine: Not nephrotoxic; primarily affects the CNS and anticholinergic systems.
Correct Answer is B
Explanation
A. Increased appetite: Not typical in AKI; anorexia is more common.
B. Elevated serum creatinine levels: A hallmark of AKI, indicating reduced kidney filtration capacity.
C. Hyperglycemia: Not a direct indicator of AKI, though may occur in diabetics.
D. Increased urine output: AKI is typically oliguric (low urine output) or anuric in early phases.
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