cardiac drugs: diuretics

Question 1

this prevents reabsorption of sodium from the renal tubule

Answer 1

• Furosemide (Lasix)

- Thiazide diuretics (chlorthiazide)

Question 2

this is and Aldosterone antagonist* used for congestive heart failure, especially if hypokalemia is a concern

Answer 2

Spironolactone

* reverses aldosterone effects (which is Na retention)

Question 3

prolonged use of this can lead to abnormally low potassium levels

Answer 3

• Furosemide (Lasix)

- Thiazide diuretics (chlorthiazide)

Question 4

this is the more expensive diuretic

Answer 4

Spironolactone

Question 5

this is less potent than Furosemide

Answer 5

Thiazide diuretics (chlorthiazide)

Question 6

this is a small sugar molecule freely filtered by the kidney

Answer 6

mannitol

Question 7

this loses effectiveness with long-term use

Answer 7

Thiazide diuretics (chlorthiazide)

Question 8

this creates an osmotic force that pulls water into the renal tubule

Answer 8

mannitol

- prevents fluid from accumulating