A nurse is caring for a client that will receive a diuretic for fluid overload.
Which of the following diuretics act on the loop of Henle?
Spironolactone.
Hydrochlorothiazide.
Furosemide.
Mannitol.
The Correct Answer is C
Choice A rationale
Spironolactone is a potassium-sparing diuretic that acts on the collecting ducts and late distal tubules but not on the loop of Henle.
Choice B rationale
Hydrochlorothiazide is a thiazide diuretic that works on the distal convoluted tubule, not the loop of Henle.
Choice C rationale
Furosemide is a loop diuretic that acts on the ascending limb of the loop of Henle to inhibit sodium and chloride reabsorption, leading to increased urine output.
Choice D rationale
Mannitol is an osmotic diuretic that primarily acts on the proximal tubule and the descending limb of the loop of Henle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Alkylating agents are cytotoxic and work by damaging DNA, preventing cancer cell replication.
Choice B rationale
Antitumor antibiotics are cytotoxic and interfere with DNA or RNA synthesis, inhibiting cancer cell growth.
Choice C rationale
Opiate antagonists are not used in cancer treatment but to reverse opioid overdoses by blocking opioid receptors.
Choice D rationale
Antimetabolites are cytotoxic and interfere with DNA and RNA growth by substituting for the normal building blocks of RNA and DNA.
Correct Answer is A
Explanation
Choice A rationale
Azithromycin can prolong the QT interval, leading to potential cardiac arrhythmias. Patients with a history of prolonged QT interval or other heart conditions should be monitored closely.
Choice B rationale
Constipation is not commonly associated with azithromycin use. Gastrointestinal side effects may include diarrhea or nausea but not constipation.
Choice C rationale
While tachycardia can be a side effect of some medications, azithromycin is more commonly associated with QT prolongation rather than causing increased heart rate directly.
Choice D rationale
Hyperkalemia is not typically a concern with azithromycin. Electrolyte imbalances are not a common side effect of this antibiotic.
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