| A | B |
| Antihypertensives | Category of drugs used to treat elevated blood pressure. |
| Beta Blockers | Act to block beta1 receptors and lowers vascular resistance. |
| Adrenergic Blockers | Stimulate or block alpha receptors and decrease BP. |
| Direct Acting Vasoldilators | Act by relaxing smooth muscles of the blood vessels. |
| ACE inhibitors | Inhibit formation of angiotensin II to lower peripheral resistance. |
| Angiotension II Receptor Antagonists | Act to block angiotension at receptor sites. |
| Calcium Channel Blockers | Act by decreasing cardiac contractility and relaxing coronary arteries. |
| Major S.E. of Antihypertensives | hypotension, edema, impotence |
| S.E. of Antihypertensive: minoxidil | hair growth |
| Diuretic | Category of drugs used to treat fluid retention & hypertension. |
| Thiazide diuretics | Acts on distal tubules to excrete Na, K, and water. |
| Loop diuretics | Act on loop of Henle to inhibit transport of Na. |
| Osmotic diuretics | Increase the osmolality in the renal tubules. |
| Carbonic Anhydrase Inhibitors | Block the action of carbonic anhydrase to cause excretion of Na, K, and HCO3. |
| Potassium Sparing diuretics | Act on the distal collecting tubules to interfere with the Na-K pump. |
| Hyperkalemia | Side effect of Potassium sparing diuretics. |
| Hypokalemia | Side effect of thiazide, loop, and osmotic diuretics. |