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. Orange juice: Does not affect cyclosporine metabolism.
B. Bananas: No known interaction with cyclosporine.
C. Grapefruit juice: Inhibits CYP3A4 enzyme in the liver, which increases cyclosporine levels, leading to toxicity.
D. Smoked salmon: May contain sodium but does not interact with cyclosporine metabolism.
Correct Answer is B
Explanation
A. Hamburger on a bun and a banana: Bananas are high in potassium, which must be restricted in CKD. Processed hamburger meat may also be high in sodium and phosphorus.
B. Spaghetti and meat sauce with breadsticks: Pasta and meat sauce are generally low in potassium and phosphorus if made without salt substitutes. Breadsticks are low in potassium.
C. Carrots and spinach: Spinach is high in potassium and phosphorus. Cooked carrots are borderline and must be portion-controlled.
D. Cold cuts with bun and fresh pears: Cold cuts are typically high in sodium and phosphorus. Pears are generally acceptable, but the entire meal is unsuitable due to the cold cuts.
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