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28 Cards in this Set
- Front
- Back
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This system stimulates during stressfull situations
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Sympathetic Nervous System
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This system stimulates systems that are needed and inhibits activites that can be delayed
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Sympathetic nervous system
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This system increases HR, BP, RR and decreases GI activities
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Sympathetic nervous system
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Name the two parts of the autonomic nervous system
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Sympathetic nervous system
and Parasympathetic nervous system |
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This part of the autonomic nervous system inhibits
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parasympathetic nervous system
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These drugs mimic the effect of epinepherine and norepinepherine
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Adrenergic drugs
(think adrenaline) |
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-Adrenergic
-adrenomimetics -adrenergic agonists -sympathomimetics -catecholamines |
Adrenergic drugs
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The two groups of adrenergic drugs that are based on their chemical structure
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Catecholamine and noncatecholemines
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Name two classes of adrenergic blocking durgs
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-Alpha adrenergic blocking
-Beta adrenergic blocking |
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What is the response of an alpha adrenergic agonist?
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vasoconstriction and stimulate the CNS
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What is the response of a beta adrenergic agonist?
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bronchial, gastrointestinal, and uterine smooth muscle relaxation, glycogenesis and cardiac stimulation
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Results of an alpha adrenergic blocker....
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vasodialation, decreased bp, miosis or constriction of pupils, and suppressed ejaculation.
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Result of beta adrenergic blockers....
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-reduce BP, HR, force of contractions, cardiac output
-constriction of the bronchials and peripheral vessels |
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How do beta blockers effect diabetics?
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impair glycogenesis and secretion of insulin from the pancreas
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Which type of adrenergic blockers widely used?
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Beta blockers
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Where are beta blockers metabolized?
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metabolized by the liver and excreted by the kidneys
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Side effects of alpha adrenergic blockers.....
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-orthostatic HTN
-bradycardia -difficulty breathing -lightheadedness -flushing |
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side effects of beta blockers....
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-hypotension
-bradycardia -AV block -heart failure -brochospasms -GI upset |
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What is cholinesterase?
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Drug that breaks down ACH(acetylcholine)
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What does ACH (acetylcholine) do?
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stimulates the PNS
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What is anticholinesterase used for?
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inhibits destruction of ACH so ACH can bind the receptors and stimulate the PNS
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What do cholinergic drugs do?
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imitate parasympathetic nerve stimulation or promote the action of ACH
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What are the two classes of cholinergic drugs?
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Cholinergic agonist and Anticholinesterase
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increase bladder tone and muscle contraction, increase GI activity, constrict pupils(reduce eye pressure), and salivary gland hypofunction
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Cholinergic drugs
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used properatively to reduce oral, gastric, and respiratory secretions.
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Anticholinergic drugs
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treat motion sickness, bradycardia, dilate pupils, paralyze cilliary eye muscles
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Anticholinergic drugs
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Side effects of anticholinergic drugs.....
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dry mouth
reduced bronchial secretions increased heart rate blurred vision decreased sweating |
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Difference between catecholamine and noncatecholamine
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-noncatecholamines have a longer duration of action and can be taken po
-catecholemines can not be taken po and are excreted in the kidneys(use cautiously in ESRD) |
