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CV Action

Cardiovascular Pharmacological Actions

QuestionAnswer
furosemide increase the reabsorption of sodium and chloride in the ascending portion of the loop of Henle
hydrochlorothiazide inhibits reabsorption of sodium and chloride ions in the early distal tubule of nephron
spironolactone blocks reabsorption of sodium in the collecting tubules, reduces excretion of potassium
digoxin -increase cardiac output through positive inotropic activity -slow conduction velocity through the AV node in the heart
dobutamine activated beta adrenergic receptors which increases cardiac contractility providing a positive inotropic effect
epinephrine stimulates arterial vasoconstriction
vasopressin stimulates v1 and v2 receptors
lisinopril/captopril blocks production of angiotensin II causing arteriolar vasodilation
losartan blocks angiotensin II receptors
amlodipine/nifedipine block calcium channels in smooth muscle cells resulting in vasodilation
metoprolol/anteolol block beta1 receptors causing decrease in heart rate and contractility and blocking release of renin in kidneys
hydralazine dilates the arterioles
Created by: mbaldwin13
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