Colorado CNA Practice Exam

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Prepare for the Colorado CNA Exam with expert-designed quizzes. Learn with helpful tips and multiple choice questions, complete with hints and detailed explanations. Ace your certification!

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What is the primary function of a diuretic?

Decreases urine formation to conserve fluids
Increases urine formation to remove excess fluids
Maintains constant fluid level in the body
Regulates blood pressure only

The correct answer is: Increases urine formation to remove excess fluids

The primary function of a diuretic is to increase urine formation to remove excess fluids from the body. Diuretics work by promoting the excretion of water and electrolytes through the kidneys, which can help reduce fluid retention, lower blood pressure, and treat conditions such as edema and hypertension. Option A is incorrect because diuretics actually increase urine formation rather than decreasing it to conserve fluids. Option C is incorrect because diuretics do not aim to maintain a constant fluid level in the body; instead, they help in removing excess fluids. Option D is incorrect because while diuretics can help regulate blood pressure, their primary function is not limited to blood pressure control.