Chapter 33.pe - Chapter33 &Wilkins Action ;alsocalled...

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Chapter 33 Anticholinergic Agents
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Anticholinergic Drugs Action Used to block the effects of acetylcholine  Lyse or block the effects of the PNS; also called  parasympatholytic agents Indications (better drugs are available now) Decrease GI activity and secretions (treat ulcers)  Decrease parasympathetic activities to allow the  sympathetic system to become more dominant
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Anticholinergics/Parasympatholytics Derived from the plant belladonna Block only the muscarinic effectors in the PNS and  cholinergic receptors in the SNS Act by competing with acetylcholine for the muscarinic  acetylcholine receptor sites  Do not block the nicotinic receptors Exert little or no effect at the neuromuscular junction
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Effects of Blocking the 
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Chapter 33.pe - Chapter33 &Wilkins Action ;alsocalled...

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