Quiz

1. Vasodilators work by

(a) reducing cardiac afterload.

(b) dilating the arterioles of the kidneys.

(c) improving circulation to the skeletal muscles.

2. What type of angina occurs over the course of a day?

(a) Stable

(b) Preinfarction

(c) Class angina

(d) Distal angina

3. Beta-blockers

(a) decrease the workload of the heart and decrease the heart's oxygen demands.

(b) increase the workload of the heart and decrease the heart's oxygen demands.

(c) decrease the workload of the heart and increase the heart's oxygen demands.

(d) None of the above

4. Repolarization is the time when the electrical impulses return to normal.

5. Thiazides are not used with patients who have renal insufficiency.

6. Many diuretics cause a loss of

(a) potassium.

(b) magnesium.

(c) bicarbonate.

7. Loop diuretics increase renal blood flow before diuresis.

8. Carbonic anhydrase inhibitors

(a) decrease intraocular pressure in patients with open-angle glaucoma.

(b) decrease intraocular pressure in patients with narrow-angle glaucoma.

(c) decrease intraocular pressure in patients with acute glaucoma.

(d) increase intraocular pressure in patients with open-angle glaucoma.

9. Potassium-sparing diuretics act primarily in the collecting distal duct renal tubules to promote sodium and water excretion and potassium retention.

10. Osmotic diuretics increase the concentration of the plasma and fluid in the renal tubules.

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