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 ["B","C"]
Explanation
Choice A rationale
Taking one dose immediately and continuing the regular schedule might not provide sufficient contraceptive protection after missing three days.
Choice B rationale
Using an alternative form of contraception for 7 days is appropriate to ensure continued contraceptive protection after missing doses.
Choice C rationale
Taking two doses over the next two days can help catch up, but using an additional form of contraception for 7 days is also recommended to ensure protection.
Choice D rationale
Continuing the medication as prescribed without any additional precautions could result in ineffective contraception due to the missed doses.
Correct Answer is A
Explanation
Choice A rationale
Stopping the infusion immediately is crucial to prevent further exposure to the allergen causing the adverse reaction. This intervention halts the administration of gentamicin, which is likely causing the dyspnea, rash, and itchiness. Prompt discontinuation of the medication minimizes the severity of the allergic reaction and allows for further medical management.
Choice B rationale
Administering an IV fluid bolus to flush the medication is not the priority intervention in this case. While it might help to clear the medication from the bloodstream, it does not address the immediate need to stop the allergen exposure and manage the allergic reaction.
Choice C rationale
Encouraging the client to take deep breaths and remain calm is supportive, but it does not address the root cause of the allergic reaction, which is the administration of gentamicin. The immediate priority is to stop the infusion and then manage the symptoms.
Choice D rationale
Administering oxygen via nasal cannula may help alleviate respiratory distress, but it is not the priority intervention. The primary step is to stop the infusion to prevent further exposure to the allergen.
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