The nurse is preparing to administer sodium polystyrene sulfonate (Kayexalate) rectally to a patient with an irregular pulse and weakness of the lower extremities.
What laboratory finding does the nurse determine is the reason for this treatment?
Hypokalemia.
Hyperkalemia.
Hyponatremia.
Hypocalcemia.
The Correct Answer is B
Choice A rationale
Hypokalemia involves low potassium levels and is not treated with sodium polystyrene sulfonate. This drug is used to treat elevated potassium levels.
Choice B rationale
Hyperkalemia indicates high potassium levels in the blood. Sodium polystyrene sulfonate (Kayexalate) works by exchanging sodium ions for potassium ions in the intestines, thereby lowering blood potassium levels.
Choice C rationale
Hyponatremia, or low sodium levels, is not treated with sodium polystyrene sulfonate, which targets potassium removal.
Choice D rationale
Hypocalcemia refers to low calcium levels and is unrelated to the action of sodium polystyrene sulfonate, which addresses potassium imbalance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
The inability to locate a dorsalis pedis pulse and increasing pain indicate compromised circulation, which requires immediate attention to prevent complications.
Choice B rationale
Pain relieved after administering medication indicates effective pain management, which is not an urgent issue to report immediately.
Choice C rationale
Generalized weakness and increasing sensitivity to touch can be concerning but are not as urgent as signs of compromised circulation.
Choice D rationale
Localized edema and discoloration are expected findings in a fracture and are not as urgent as an absent pulse. .
Correct Answer is A
Explanation
Choice A rationale
Having the patient lift their back and buttocks using a trapeze allows for proper assessment of pressure areas and skin care. This technique reduces the risk of further injury or discomfort and provides better access for the nurse to assess the skin condition.
Choice B rationale
Asking the patient to turn to the side independently may not be feasible for a patient with a pelvic fracture. This method can cause pain and risk further injury, making it an unsuitable choice for assessing pressure areas.
Choice C rationale
Rolling the patient over to the side by pushing on the patient's hip is not recommended as it can exacerbate the injury and cause pain. This method is not appropriate for patients with pelvic fractures.
Choice D rationale
Deferring back assessment until the patient is ambulatory is not a safe practice. Pressure areas should be regularly assessed to prevent skin breakdown and complications, even if the patient is not yet ambulatory.
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