hormones that influence blood pressure

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Epinephrine and (6) norepinephrine effects

- highly tied to "fight or flight" - most blood vessels bind to alpha-adrenergic receptors(vasoconstrictors- BP increases) - skeletal and cardiac muscles bind to beta-adrenergic receptors(vasodilators- decreases blood pressure)

Atrial natriuretic peptide

- increases urinary sodium excretion - lowers blood pressure by increasing sodium excretion - when the heart it stressed it makes this to relax

antidiuretic hormone (ADH)

- promotes water retention by the kidneys -vasocontrictor - at pathologically high concentrations

Aldosterone

-"salt-retaining hormone" - promotes sodium and water retention by the kidneys - increases blood volume thus increasing blood pressure - saves sodium rather that expelling it through urination

Angiotensin II

-increases blood pressure by constricting blood vessels - promotes sodium and water retention by the kidneys(antidiuretic) -increases blood volume and pressure


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