Diuretics and Related Medications Quiz

Lasix (furosemide) acts on which part of the nephron?

• Distal tubule

• Loop of Henle

• Collecting duct

• Proximal tubule

Bumex (bumetanide) exerts its action in the:

• Collecting duct

• Distal tubule

• Loop of Henle

• Renal pelvis

Hydrochlorothiazide (HCTZ) works primarily in the:

• Loop of Henle

• Collecting duct

• Distal tubule

• Proximal tubule

Chlorthalidone acts on which nephron segment?

• Loop of Henle

• Distal tubule

• Collecting duct

• Glomerulus

Where does Aldactone (spironolactone) work in the nephron?

• Loop of Henle

• Distal tubule

• Collecting duct

• Renal corpuscle

Dyrenium (triamterene) acts in the:

• Proximal tubule

• Collecting duct

• Loop of Henle

• Distal tubule

Do loop diuretics deplete potassium (K+)?

• No

• Yes

• Only with long-term use

• Only when combined with thiazides

Do thiazide diuretics deplete potassium?

• No

• Yes

• Only at high doses

• Only when dehydrated

What is the onset time of loop diuretics?

• 2-4 hours

• 30-60 minutes

• 15 minutes

• 1-2 hours

What is the onset of action for thiazide diuretics?

• 30-60 minutes

• 1 hour

• 2 hours

• 4 hours