Multiple Choice
In the context of organ systems, to which patient condition is the administration of mannitol most appropriate?
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25. The Urinary System
Introduction to the Urinary System
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Which diuretic medication conserves potassium?
A
Furosemide
B
Hydrochlorothiazide
C
Acetazolamide
D
Spironolactone
Verified step by step guidance1
Understand the role of diuretics: Diuretics are medications that help the body eliminate excess fluid, primarily by increasing urine production. They are often used to treat conditions like hypertension and edema.
Identify the types of diuretics: There are several classes of diuretics, including loop diuretics, thiazide diuretics, carbonic anhydrase inhibitors, and potassium-sparing diuretics. Each class works differently and affects electrolyte balance in the body.
Recognize the effect on potassium: Most diuretics, such as loop diuretics (e.g., Furosemide) and thiazide diuretics (e.g., Hydrochlorothiazide), can lead to potassium loss, which may require potassium supplementation.
Learn about potassium-sparing diuretics: Potassium-sparing diuretics, such as Spironolactone, work by blocking the action of aldosterone in the kidneys, which helps to conserve potassium while still promoting the excretion of sodium and water.
Conclude with the correct medication: Based on the mechanism of action, Spironolactone is the diuretic that conserves potassium, making it different from the other options listed.
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