A client has a new prescription of spironolactone (Aldactone), and wants to learn about how the mechanism of action of this medication. Which of the following statements should the nurse explain to the client?
This medication works in the high-ceiling loop diuretics work in the loop of Henle. It blocks the reabsorption of sodium and chloride and prevents the reabsorption of water, which causes extensive diuresis even with severe renal impairment
This medication works in the distal tubule to block the reabsorption of sodium and chloride and prevents the reabsorption of water.
This medication reduces intracranial pressure and intraocular pressure by raising serum osmolality and drawing fluid back into the vascular and extravascular space.
This medication blocks the action of aldosterone (sodium and water retention), which results in potassium retention and the excretion of sodium and water.
The Correct Answer is D
A. This statement is incorrect because spironolactone is not a loop diuretic and does not act in the loop of Henle. It works in the distal tubules of the kidney.
B. This description is more accurate for thiazide diuretics. Spironolactone works as an aldosterone antagonist and primarily affects sodium and water retention.
C. This description applies to osmotic diuretics like mannitol, not spironolactone.
D. Spironolactone is a potassium-sparing diuretic that works by blocking aldosterone, preventing sodium and water retention, while promoting the retention of potassium.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C"]
Explanation
A. Hypoglycemia: Aspirin is not used to treat hypoglycemia.
B. Inflammation suppression: Aspirin is an anti-inflammatory medication that can help suppress inflammation.
C. Dysmenorrhea: Aspirin is commonly used to relieve pain associated with dysmenorrhea (menstrual cramps).
D. Hypokalemia: Aspirin is not used to treat hypokalemia.
Correct Answer is B
Explanation
A. Omeprazole is not used for motion sickness. It is a proton pump inhibitor used to treat gastric acid- related conditions.
B. Omeprazole is used to prevent and treat gastric ulcers, including stress ulcers that may occur in critically ill patients.
C. Omeprazole is used to treat conditions like GERD, ulcers, and Zollinger-Ellison syndrome, not just heartburn.
D. Omeprazole is not used to treat nausea and vomiting. It reduces gastric acid production to treat acid- related conditions.
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