Diuretics Quiz: Can You Flush It Out Safely?

1. Which diuretic class inhibits sodium reabsorption in the thick ascending limb of the loop of Henle?

Thiazide diuretics

Loop diuretics

Potassium-sparing diuretics

Carbonic anhydrase inhibitors

2. Chronic use of furosemide is most likely to cause which electrolyte abnormality?

Hyperkalemia

Hypokalemia

Hypercalcemia

Hypernatremia

3. Aldosterone antagonists such as spironolactone work by blocking which receptor?

Mineralocorticoid receptor

Glucocorticoid receptor

Alpha-adrenergic receptor

Beta-adrenergic receptor

4. A patient on hydrochlorothiazide develops gout. This occurs because thiazides increase excretion of which substance?

Uric acid reabsorption

Glucose in urine

Uric acid reabsorption, decreasing excretion

Calcium in urine

5. Which diuretic is contraindicated in patients with severe renal impairment (GFR

Amiloride

Furosemide

Hydrochlorothiazide

Acetazolamide

6. Osmotic diuretics like mannitol work by increasing osmotic pressure in which compartment?

Intracellular fluid

Glomerular filtrate

Interstitial fluid

Plasma

7. A patient receiving both lisinopril and spironolactone is at increased risk for which condition?

Hypokalemia

Hyperkalemia

Hyponatremia

Metabolic acidosis

Submit

9. Which adverse effect is most commonly associated with acetazolamide use?

Metabolic alkalosis

Metabolic acidosis

Hyperkalemia

Hypercalcemia

Submit

11. A patient develops ototoxicity after high-dose IV furosemide. This occurs through which mechanism?

Direct toxicity to cochlear hair cells

Increased intracranial pressure

Hypercalcemia

Metabolic alkalosis

Submit

13. Which diuretic class is preferred in heart failure patients to minimize hypokalemia?

Loop diuretics alone

Thiazides alone

Loop diuretics plus aldosterone antagonists

Carbonic anhydrase inhibitors

14. Chronic thiazide use may precipitate hyperglycemia through which mechanism?

Direct pancreatic beta cell damage

Hypokalemia reducing insulin secretion

Increased aldosterone levels

Direct renal glucose reabsorption

15. True or False: Loop diuretics cause hypercalcemia by increasing renal calcium reabsorption in the thick ascending limb.

True

False

Diuretics Quiz: Can You Flush It Out Safely?

1. Which diuretic class inhibits sodium reabsorption in the thick ascending limb of the loop of Henle?

2.

What first name or nickname would you like us to use?

2. Chronic use of furosemide is most likely to cause which electrolyte abnormality?

3. Aldosterone antagonists such as spironolactone work by blocking which receptor?

4. A patient on hydrochlorothiazide develops gout. This occurs because thiazides increase excretion of which substance?

5. Which diuretic is contraindicated in patients with severe renal impairment (GFR

6. Osmotic diuretics like mannitol work by increasing osmotic pressure in which compartment?

7. A patient receiving both lisinopril and spironolactone is at increased risk for which condition?

8. Loop diuretics are more effective than thiazides in patients with reduced GFR primarily because they____.

9. Which adverse effect is most commonly associated with acetazolamide use?

10. Thiazide diuretics increase the risk of hypokalemia by enhancing renal excretion of potassium in the____.

11. A patient develops ototoxicity after high-dose IV furosemide. This occurs through which mechanism?

12. Potassium-sparing diuretics block the epithelial sodium channel in the collecting duct, preventing potassium____.

13. Which diuretic class is preferred in heart failure patients to minimize hypokalemia?

14. Chronic thiazide use may precipitate hyperglycemia through which mechanism?

15. True or False: Loop diuretics cause hypercalcemia by increasing renal calcium reabsorption in the thick ascending limb.