Shared Flashcard Set

Details

Autonomic nervous system drugs
Cholinergics, adrenergics, and other ANS drugs
19
Medical
Professional
09/17/2007

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Cards

Term
acetylcholine
Definition
direct cholinergic agonist (M=N)
Term
methacholine
Definition
direct cholinergic agonist (M>N)
Term
carbachol
Definition
direct cholinergic agonist (M=N)
not hydrolyzed by cholinesterase
quaternary ammonium
Term
bethanechol
Definition
direct cholinergic agonist (M>N)
not hydrolyzed by cholinesterase
quaternary ammonium
Term
pilocarpine
Definition
direct cholinergic partial-agonist (M>N)
not hydrolyzed by cholinesterase
used to lower ocular pressure in glaucoma
enters brain (tertiary amine)
Term
acetylcholinesterase
Definition
found on postjunctional, postsynaptic, and erythrocyte membranes
hydrolyzes ACh>methacholine>butyrylcholine>succinylcholine(0)
Term
pseudocholinesterase
Definition
found on non-neuronal (e.g. glial) cells, plasma (synthesized in liver)
hydrolyzes butyrylcholine>ACh>succinylcholine>methacholine(0)
Term
physostigmine
Definition
carbamate reversible cholinesterase inhibitor
Term
neostigmine
Definition
carbamate reversible cholinesterase inhibitor
quaternary ammonium
Term
pyridostigmine
Definition
carbamate reversible cholinesterase inhibitor
Term
rivastigmine
Definition
carbamate reversible cholinesterase inhibitor
used for Alzheimer's disease
Term
edriphonium
Definition
reversible cholinesterase inhibitor
low affinity, small Vd, rapid clearance (renal)
diagnostic in myasthenia gravis
quaternary ammonium
Term
tacrine
Definition
reversible cholinesterase inhibitor
selectively penetrates brain
longer duration (single daily dose)
formerly used for Alzheimer's disease - no effect
liver toxicity in 30%
Term
donepazil
Definition
reversible cholinesterase inhibitor
selectively penetrates brain
longer duration (single daily dose)
used for Alzheimer's disease
Term
sarin
Definition
irreversible cholinesterase inhibitor
Term
echothiophate
Definition
irreversible cholinesterase inhibitor
used for glaucoma
quaternary ammonium
Term
cevimeline
Definition
muscarinic agonist
tertiary amine, enters CNS
Term
nicotine
Definition
nicotinic agonist
both sympatho- and parasympathomimetic
CV: SNS; GI/U: PNS
NMJ: depolarization, contraction
Term
nicotine
Definition
nicotinic agonist
both sympatho- and parasympathomimetic
CV: SNS; GI/U: PNS
NMJ: depolarization, contraction
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