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Exam 2 Pharm Study guide
Preview 4 out of 46 pages
Exam 2 Pharm Study guide Chapter 15 Adrenergic agonists Sympathetic responses Stimulation of sympathetic nervous system or use of adrenergic drugs can cause dilation of pupils and bronchioles; increased heart rate; constriction of blood vessels; relaxation of muscles in GI tract, bladder, and uterus. Effects of adrenergic agonists at receptors Alpha 1 receptor Increases cardiac contractility, vasoconstriction Dilates pupils, decreases salivary gland secretion Increases bladder and prostate contraction Alpha 2 receptor Inhibits norepinephrine release Promotes vasodilation and decreased bp Decreases GI motility and tone Beta 1 receptors Increases cardiac contractility, heart rate Increases renin secretion and incre
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