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Drugs for MSS 2
Drugs for MSS 2
24
Medical
Graduate
09/22/2009

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Term
ACh
Definition
cholinergic agonist

affects N and M type chol. receptors
Term
Nicotine
Definition
N type chol. agonist
Term
N type chol. receptor
Definition
Where: preganglia, adrenal medulla, skeletal muscle (NMJ)
=ligand-gated ion
Term
M type chol. receptor
Definition
Where: sweat glands (S); (P)- cardiac, smooth, gland, nerve
Term
Muscarine
Definition
M type chol. agonist

=GPCR
Term
Botox
Definition
blocks ACh vesicle docking
Term
Tubocurarine
Definition
Competitive nicotinic antagonist (M TYPE)
Term
Succinylcholine
Definition
chol. Nicotinic (M TYPE ONLY) agonist/antagonist
quick acting (5-8 minutes)
Term
Rocuronium
Definition
same as tubocurare but acts in 20-35 min.
Term
Muscarinic Receptor Breakdown
Definition
1,3,5- up calcium- contract
2,4- down cAMP- ALSO CONTRACT but mediated by NO in the body
Term
Bethanechol
Definition
muscarinic agonist

postop urogenic drug
Term
Atropine
Definition
muscarinic competitive antagonist
Term
AChE Inhibitor
Definition
Alcohol type (edrophonium)- reversible
Carbamate type (neostigmine)- reversible
Organophosphate type- irreversible
Term
Cholinesterase reactivator
Definition
Pralidoxime (2-PAM)
Term
Organophosphates
Definition
parathion, malathion, tabun, sarin
Term
AChE effects
Definition
parasympathetic
Term
alpha 1 agonists
Definition
increase calcium, increase contraction
Term
beta agonists
Definition
increase cAMP, decrease contraction
Term
Ipratropium bromide
Definition
muscarinic antagonist (like atropine) but inhaled so only the lung response.
Term
alpha 2 agonists
Definition
decrease cAMP, promote contraction
Term
albuterol
Definition
beta 2 agonist

bronchodilation
Term
Propranolol
Definition
beta 1 AND 2 competitive antagonist
Term
Phenylephrine
Definition
alpha (mostly 1) agonist- degongestant (some mydriasis and increase blood pressure)
Term
Phentolamine
Definition
alpha (both) competitive antagonists
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