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Diuretics exam review questions and verified answers 2025.
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Diuretics exam review questions and verified answers 2025.
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Diuretics exam review questions andverified answers 2025
Match the type of diuretic with its mechanism of action.
Block sodium and water reabsorption in the distal tubule Block sodium and
chloride reabsorption in the loop of Henle Block sodium-potassium exchange in
the collecting tubules
Thiazide diuretics
Potassium-sparing diuretics
Loop diuretics - correct answer ✅Block sodium and water reabsorption in the
distal tubule-Thiazide diuretics
Block sodium and chloride reabsorption in the loop of Henle-Loop diuretics
Block sodium-potassium exchange in the collecting tubules-Potassium-sparing
diuretics
Why do loop diuretics have a greater diuresis effect than thiazides or potassium-
sparing diuretics?
Loop diuretics act directly by blocking sodium-potassium exchange in the distal
convoluted tubule.
Loop diuretics act early in the loop of Henle and block sodium chloride
reabsorption.
, Diuretics exam review questions and
verified answers 2025
Loop diuretics block greater amounts of sodium chloride reabsorption in the
proximal convoluted tubule.
Loop diuretics promote the greatest reabsorption of sodium chloride in the loop
of Henle. - correct answer ✅Loop diuretics act early in the loop of Henle and
block sodium chloride reabsorption.
Loop diuretics block the reabsorption of larger volumes of sodium and water early
in the loop of Henle to promote diuresis.
Which action of a loop diuretic can potentially cause hypotension in patients
taking this medication?
Tubular reabsorption of sodium and chloride
Water retention and potassium-sparing
Excess fluid loss and dehydration
Decreased blood volume and venous constriction - correct answer ✅Decreased
blood volume and venous constriction
Loss of water and sodium reduces blood volume. Loop diuretics do not cause
smooth muscle constriction.
Why do patients taking thiazide diuretics have an increased risk for
hypercalcemia?
They promote GI absorption of calcium.
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