A nurse is phoning a provider to report a client’s serum potassium of 6.2 mEq/L. Which of the following medications should the nurse expect the provider to prescribe?
Potassium iodide.
Lactulose.
Sodium polystyrene sulfonate.
Acetylcysteine.
The Correct Answer is C
Choice A rationale
Potassium iodide is used to treat hyperthyroidism and protect the thyroid gland from radiation, but it does not help lower serum potassium levels.
Choice B rationale
Lactulose is a laxative used to treat constipation and hepatic encephalopathy, but it does not affect serum potassium levels.
Choice C rationale
Sodium polystyrene sulfonate is used to treat hyperkalemia by exchanging sodium ions for potassium ions in the intestines, thereby lowering serum potassium levels.
Choice D rationale
Acetylcysteine is used as a mucolytic agent and to treat acetaminophen overdose, but it does not have any effect on serum potassium levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Metabolic acidosis is incorrect. Metabolic acidosis is characterized by a low pH and low HCO₃ levels. In this case, the HCO₃ level is normal, which rules out metabolic acidosis.
Choice B rationale
Metabolic alkalosis is incorrect. Metabolic alkalosis is characterized by a high pH and high HCO₃ levels. In this case, the pH is low, and the HCO₃ level is normal, which rules out metabolic alkalosis.
Choice C rationale
Respiratory acidosis is correct. Respiratory acidosis is characterized by a low pH and high PaCO₂ levels. In this case, the pH is 7.24 (low), and the PaCO₂ is 53 (high), indicating respiratory acidosis. This condition occurs when there is an accumulation of CO₂ in the blood due to inadequate ventilation.
Choice D rationale
Respiratory alkalosis is incorrect. Respiratory alkalosis is characterized by a high pH and low PaCO₂ levels. In this case, the pH is low, and the PaCO₂ is high, which rules out respiratory alkalosis.
Correct Answer is D
Explanation
Choice A rationale
Taking temperature weekly is incorrect. Clients with neutropenia are at high risk for infections due to their low white blood cell count. Therefore, they should monitor their temperature daily to detect any signs of infection early.
Choice B rationale
Participating in gardening for mild exercise is incorrect. Gardening can expose individuals to soil-borne organisms that could lead to infections, which is particularly dangerous for neutropenic patients.
Choice C rationale
Eating plenty of fresh fruits and vegetables is incorrect. Fresh fruits and vegetables can harbor bacteria and other pathogens that can cause infections in neutropenic patients. It is safer to consume cooked or canned foods.
Choice D rationale
Avoiding crowded places is correct. Neutropenic patients should avoid crowded places to reduce their risk of exposure to infections.
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