Polystyrene sulfonate (Kayexalate) is used in renal failure to:
Reduce serum phosphate levels.
Prevent constipation from sorbitol use.
acts by pulling potassium into the bowels and exchanging it for sodium
acts by adding potassium into the bowels and exchanging it for sodium bicarbonate
The Correct Answer is C
Choice A rationale: Kayexalate is not primarily used for phosphate reduction.
Choice B rationale: Kayexalate can have sorbitol in its formulation, which might cause diarrhea rather than constipation.
Choice C rationale: Kayexalate works as a cation-exchange resin that promotes potassium excretion in the bowels.
Choice D rationale: Kayexalate does not add potassium; it exchanges sodium for potassium in the bowels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: PID is not associated with meningitis, which is an infection or inflammation of the meninges.
Choice B rationale: Chronic PID typically involves long-term inflammation of the pelvic organs, including the fallopian tubes and ovaries.
Choice C rationale: This condition refers to genital warts caused by HPV, not directly related to PID.
Choice D rationale: Dysplasia refers to abnormal cell growth or development and isn't directly associated with PID.
Correct Answer is A
Explanation
Choice A rationale: After visual inspection, the next step typically involves auscultation, which allows the nurse to listen for bowel sounds and gather information about
gastrointestinal function.
Choice B rationale: Percussion involves tapping the abdomen to assess density or abnormal masses but usually follows auscultation.
Choice C rationale: Palpation, both light and deep, follows percussion in the sequence of an abdominal examination.
Choice D rationale: Similar to light palpation, deep palpation follows auscultation and percussion in the sequence of an abdominal examination.
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