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Pharmacology Exam #3

Anti-inflammatry, fluid & electrolytes, cardiovascular

QuestionAnswer
Propranolol Non-Selective Beta Antagonist (Block B1 and B2)
Metoprolol Cardio-selective Beta Antagonist (Blocks B1)
Beta Blocker Uses HTNAnginaDysrhythmiasMI
Beta Blocker Adverse Effects BradycardiaAV Heart BlockRebound Cardiac ExcitementBronchoconstrictionInhibition of glycogenolysis
Simulation of Beta 1 Heart: increased rate, increased contractility, increased AV conductionKindeys: renin release
Simulation of Beta 2 Arteriole dilation to Heart, Lungs, Skeletal MuscleBronchodilationUterine relaxationGylogenolysis (makes glucose)Skeletal muscle contraction
Stimlation of Alpha 1 BydriasisArteriole constriction to skin, viscera, mmVasoconstrictionMale EjaculationProstate contractionBladder trigone & sphincter contraction
Prazasin & Doxazosin Alpha Antagonists
Alpha Antagonist Mechanism of Action Blocking Alpha 1 receptors on arteriols and veins reduces peripheral resistance and venosu return (decreased preload and afterload)
Alpha Antagonist Side Effects Orthostatic Hypotension, Reflex tachycardia, Nasal congestion
CarvedilolLabetalol Alpha/Beta Blockers
Alpha/Beta Blockers Mechanism of Action Dilation of arteriols and veins, decreased HR and contractility, suppression of renin release
Alpha/Beta Blockers Adverse Effects Bradycardia, AV Heart Block, Exacerbation of Asthma, orthostatic hypotension
Created by: jgwin
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