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When reviewing the mechanisms of action of diuretics, the nurse knows that which statement is true about the loop diuretics?



A. They work by inhibiting aldosterone.
B. They are very potent, having a diuretic effect that lasts at least 6 hours.
C. They are particularly useful when rapid diuresis is desired because their onset of action is rapid.
D. They have the disadvantage of ceasing to be effective when the creatinine clearance decreases below 25 mL/min.

This question is part of All About Science Quiz#3
Asked by RNSTUDENT, Last updated: Dec 18, 2019

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RNSTUDENT

RNSTUDENT

Answered Aug 05, 2019

They are particularly useful when rapid diuresis is desired because their onset of action is rapid.

The loop diuretics have a rapid onset of action; therefore, they are useful when rapid onset is desired. Their effect lasts for about 2 hours, and a distinct advantage they have over thiazide diuretics is that their diuretic action continues even when creatinine clearance decreases below 25 mL/min.
 

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