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 C
Explanation
Choice A rationale
Clamping the chest tube can cause increased pressure in the pleural space and is not appropriate without specific indications.
Choice B rationale
Increasing the wall suction may not relieve the burning sensation and could potentially cause harm.
Choice C rationale
Repositioning the client can help alleviate the burning sensation by adjusting the position of the chest tube and the lung.
Choice D rationale
Stripping the chest tube is not recommended as it can increase intrathoracic pressure and cause damage.
Correct Answer is A
Explanation
Choice A rationale
Inability to locate the dorsalis pedis pulse and increasing pain are signs of compromised circulation, requiring immediate intervention.
Choice B rationale
Pain relieved by medication does not indicate an urgent situation and suggests effective pain management.
Choice C rationale
Generalized weakness and increased sensitivity to touch are not typically indicative of a critical emergency requiring immediate reporting.
Choice D rationale
Localized edema and discoloration are expected findings following a fracture and do not necessitate immediate reporting.
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