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18 Cards in this Set
- Front
- Back
This agent has greater affinity for muscarinic receptors and used for postoperative and neurogenic ileus and urinary retention. And what is its MOA?
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Bethanechol--MOA is that it activates bowel and bladder smooth muscle
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Only direct acting agent that is very lipid soluble and used in glaucoma and Sjogren's syndrome. What is its MOA?
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Pilocarpine--MOA activates pupillary sphincter and ciliary muscle; stimulates salivation
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This agent used to treat dry mouth in Sjögren's syndrome
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Cevimeline
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Indirect-Acting ACh Agonist, alcohol, short DOA and used in diagnosis of myasthenia gravis and MOA
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Edrophonium. Neostigmine and pyridostigmine can also be use to treat MG. MOA--amplifies endogenous acetylcholine; useful effect at skeletal muscle neuromuscular end plates.
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Carbamate with intermediate action postoperative and neurogenic ileus and urinary retention and MOA
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Neostigmine--MOA-amplifies endogenous acetylcholine
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Treatment of atropine overdose and glaucoma (because lipid soluable). Enters the CNS rapidly and has a stimulant effect, which may lead to convulsions--and MOA
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Physostigmine--MOA-amplifies endogenous acetylcholine
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Treatment of myasthenia gravis--and MOA
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Pyridostigmine--MOA-amplifies endogenous acetylcholine
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Drug used for rapid reversal of nondepolarizing neuromuscular blockade in the diagnosis of myasthenia, and in differentiating myasthenic from cholinergic crisis. Also, administering this drug will improve muscle strength in myasthenic crisis but weaken it in cholinergic crisis.
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Edrophonium--also, the shortest-acting cholinesterase inhibitor
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Treatment of first choice due to toxicity from cholinomimetic drugs, such as parathion
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Atropine--an antimuscarinic agent
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Organophosphate and physostigmine overdose mnemonic
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DUMBBELSS: diarrhea, urination, miosis, bronchoconstriction, bradycardia, excitation (skeletal muscle and CNS), lacrimation, and salivation and sweating.
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Muscarinic agonist
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Muscarine, bethanechol, carbachol, pilocarpine
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Parathion toxicity can be reversed by?
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Pralidoxime
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Common toxicity from cholinesterase inhibitor?
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CNS depression or respiratory failure from neuromuscular paralysis
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Increased GI motility (abdominal surgery) can be occur from?
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Muscarinic cholinoceptor agonist
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Direct-acting cholinomimetic that is lipid soluble and used in the treatment of glaucoma and Sjogren's syndrome
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Pilocarpine
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An indirect-acting carbamate cholinomimetic with poor lipid solubility and duration of action of 2 - 4 h?
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Neostigmine
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Direct cholinomimetics
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acetylcholine, bethanechol, carbachol, pilocarpine, nicotine
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indirect-acting cholinomimetics
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edrophonium, neostigmine, physostigmine, pyridostigmine, echothiophate, parathion
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