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Diuretics and Electrolyte Balance

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Questions and Answers

What is a common effect of all diuretics on renal function?

They increase blood pressure

They cause renal failure due to decreased ECV (correct)

They improve renal function

They have no effect on renal function

What is the effect of potassium-sparing diuretics on potassium levels?

They increase potassium levels (correct)

They fluctuate potassium levels

They decrease potassium levels

They have no effect on potassium levels

What is the effect of loop diuretics on calcium levels?

They have no effect on calcium levels

They increase calcium levels

They decrease calcium levels (correct)

They fluctuate calcium levels

What is the effect of thiazide diuretics on calcium levels?

<p>They increase calcium levels</p> Signup and view all the answers

What is the effect of potassium-sparing diuretics on aldosterone levels?

<p>They decrease aldosterone levels</p> Signup and view all the answers

Study Notes

Diuretics and Electrolyte Balance

All diuretics can cause renal failure due to decreased effective circulating volume (ECV).
All diuretics decrease potassium (K) levels, except for potassium-sparing diuretics, which increase potassium levels.

Diuretics and Acid-Base Balance

All diuretics cause metabolic alkalosis, except for:
- Potassium-sparing diuretics, which decrease aldosterone, leading to increased H+ secretion.
- Carbonic anhydrase inhibitors (CA), which increase HCO3- excretion.

Diuretics and Calcium Balance

Loop diuretics decrease calcium levels.
Thiazide diuretics increase calcium levels.

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Description

This quiz covers the effects of diuretics on electrolyte balance, including their impact on potassium levels, metabolic alkalosis, and calcium levels.