Term
Natural anticholinergics are made from |
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Definition
are alkaloids of the bella donna plant |
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Term
Name two naturally occuring anticholinergics and their chemistry structure |
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Definition
natural occuring anticholinergics include atropine and scopalamine which are teriary amines and can cross the BBB |
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Term
The structural difference between naturally occuring anticholinergics and the synthetic is |
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Definition
natural are tertiary amines while syntehtic are quaternary ammoniums withj a charge. |
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Term
Do anticholinergics bind reversible or irreversible to muscarinic receptors |
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Definition
reversible binding to M receptors |
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Term
the two MOA of anticholinergics are |
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Definition
1. inhibition of adenylate cyclase 2. alter permeability to Ca in the cell membrane. |
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Term
Where are M2 receptors found |
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Definition
heart, CNS, airway smooth muscle |
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Term
Where are M1 receptors found |
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Definition
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Term
Which M receptors responsible for increasing hydrogen ion secretion |
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Definition
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Term
Which M receptors can cause bradycardia and bronchial constriction |
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Definition
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Term
Which M receptors cause salivation |
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Definition
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Term
which M receptors work via cGMP, phspholipase C and calcium mobilization |
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Definition
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Term
Which M recceptors work via inhibition of adenylyl cyclase A |
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Definition
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Term
Acronym sludge stands for what |
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Definition
For the agonist affects of cholinergic agents S: Salivation L: Lacrimation U:Urination D: Defication G: Gastric secretions E: Emesis |
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Term
Onset of atropine compared to glycopyrolate |
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Definition
Atropine 1 min Glcyo 2 min |
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Term
Which Anticholinergic is mostly broken down by plasma esterases |
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Definition
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Term
Which drug has the highest levels unchanged and released in urine *glyco, atropine or scop |
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Definition
Glyco. Its got the largest charge so it loves h20 and stays in urine |
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Term
which anticholinergic is broken down most by hepatic metabolism |
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Definition
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Term
At what dose of atropine will you have possible some slowing of HR |
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Definition
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Term
Whats the minimal dose of atropine to cause increase HR |
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Definition
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Term
treatment of eyes with anti-ach will causes meosis or mydriasis |
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Definition
myadrisis dilation of eyes if you give a drug like scop or atorpine ect.. |
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Term
atropine is paried with what anticholinesterase |
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Definition
atropine and edrophonium paired |
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Term
Name a side effect when giving a anticholinergic as a bronchodilator |
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Definition
can THICKEN secretions as a result of its drying properties. So despite dilating it can create dry thick mucus plugs |
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Term
a side effect of anisorcoria is seen with which anticholinergic |
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Definition
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Term
the anticholinergic with the best antisialagogue effect is |
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Definition
scopalamine > glcyo > atropine |
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Term
The anti-AcH with best effect of mydriasis in order greatest to least |
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Definition
SCop > atropine. No effect from glyco |
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Term
name some patients anti-AcH should be avoided in |
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Definition
1. alheimers 2. glaucoma 3. Obstructive uropathy 4. paralytic ileous 5. toxic megacolon 6. myasthenia graiva |
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Term
Describe some signs of increasing ocular pressure and what the treatment is |
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Definition
May be from Anti-Ach drugs. You get increase ocular pressure. Sx include SUDDEN headach, severe eye pain, decreased vision. Treatment: 1. optho consul 2. diamox 3. possible need laser iridotomy to relieve pressure. |
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