MOA Flashcards
(190 cards)
Doxazosin
Selectively inhibits the alpha(1)-subtype of alpha adrenergic receptors, and binds highly to alpha(1A) adrenoceptor reducing total peripheral resistance via arterial and venous dilation.
Terazosin
Selectively inhibits the alpha(1)-subtype of alpha adrenergic receptors, and binds highly to alpha(1A) adrenoceptor reducing total peripheral resistance via arterial and venous dilation.
Clonidine
Stimulates postsynaptic alpha-2 adrenergic receptors in the central nervous system by activating inhibitory neurons to decrease sympathetic outflow, reducing peripheral vascular resistance, renal vascular resistance, heart rate, and blood pressure
Irbesartan
Blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II by selectively blocking the binding of angiotensin II to the AT1 receptor subtype in many tissues (eg, vascular smooth muscle, adrenal gland).
Losartan
Blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II by selectively blocking the binding of angiotensin II to the AT1 receptor subtype in many tissues (eg, vascular smooth muscle, adrenal gland).
Valsartan
Blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II by selectively blocking the binding of angiotensin II to the AT1 receptor subtype in many tissues (eg, vascular smooth muscle, adrenal gland).
Benazepril
Prevents the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. Decreased angiotensin II leads to decreased vasopressor activity and decreased aldosterone secretion
Enalapril
Prevents the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. Decreased angiotensin II leads to decreased vasopressor activity and decreased aldosterone secretion
Lisinopril
Prevents the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. Decreased angiotensin II leads to decreased vasopressor activity and decreased aldosterone secretion
Quinapril
Prevents the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. Decreased angiotensin II leads to decreased vasopressor activity and decreased aldosterone secretion
Ramipril
Prevents the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. Decreased angiotensin II leads to decreased vasopressor activity and decreased aldosterone secretion
Carvedilol
Nonselective beta-adrenergic blocking agent with alpha 1-adrenergic blocking activity and no intrinsic sympathomimetic activity
Atenolol
Selectively blocks beta-1 adrenoreceptors located mainly in cardiac muscles, decreasing the effects of endogenous catecholamines
Metoprolol
Selectively blocks beta-1 adrenoreceptors located mainly in cardiac muscles, decreasing the effects of endogenous catecholamines
Nebivolol
Selectively blocks beta-1 adrenoreceptors located mainly in cardiac muscles, decreasing the effects of endogenous catecholamines
Propranolol
Nonselective beta-blocker that reduces chronotropic, inotropic and vasodilator responses to beta-adrenergic stimulation by competing for available binding sites that stimulate the beta-adrenergic receptorsb
Amlodipine
Blocks the transmembrane influx of calcium ions into cardiac and vascular smooth muscles. It also reduces peripheral vascular resistance and lowers blood pressure by causing a direct vasodilation in the peripheral arteries of the vascular smooth muscle.
Nifedipine
Blocks the transmembrane influx of calcium ions into cardiac and vascular smooth muscles. It also reduces peripheral vascular resistance and lowers blood pressure by causing a direct vasodilation in the peripheral arteries of the vascular smooth muscle.
Diltiazem
Blocks calcium ion influx during depolarization of cardiac and vascular smooth muscle. It decreases peripheral vascular resistance and causes relaxation of the vascular smooth muscle resulting in a decrease of both systolic and diastolic blood pressure
Verapamil
Blocks calcium ion influx during depolarization of cardiac and vascular smooth muscle. It decreases peripheral vascular resistance and causes relaxation of the vascular smooth muscle resulting in a decrease of both systolic and diastolic blood pressure
Digoxin
Inhibits sodium-potassium ATPase, which increases intracellular sodium concentration leading to increased intracellular calcium concentration
Furosemide
Inhibits reabsorption of sodium and cloride in the ascending loop of Henle and proximal and distal renal tubules.
Spironolactone
Inhibits aldosterone effects by competing with aldosterone for intracellular mineralocorticoid receptors - clinically manifested as a natriuresis and potassium retaining action
Hydrochlorothiazide
Inhibits reabsorption of sodium in the distal convoluted renal tubule