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12 Cards in this Set
- Front
- Back
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Antimuscarinic drugs are what type of antagonist? |
They are a drug that causes competitive binding to the muscarinic receptor. |
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What are the 2 natural drugs that are muscarinic blockers? |
Atropine Scopolamine |
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Name two synthetic muscarinic blockers. |
Ipratropium Tropicamide |
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By decreasing the parasympathetic or increasing the sympathetic stimulation of the pupillary muscles, what happens to intraocular pressure in a glaucoma patient? |
Pressure will increase from increased inflow due to relaxation of the ciliary muscle. |
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Why would an anti-muscarinic drug cause there to be a increase in local heating, sweating, and overheating? |
Reduced sweating and overheating is due to local blockade of muscarinic that causes sweating to go down and body temp to go up but sympathetic nervous system can induce localized sweating and secretions in response to overheating. |
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Which anti-muscarinic drug is uncharged and can cross the blood brain barrier? |
Scopolamine which can cause sedation. |
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What is the affect of atropine on the brain? |
Stimulation |
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Why is it that there are two antimuscarinics that preform opposite effects? |
There are many receptors that different anti-muscarinics can fit into and thus cause various effects. |
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Where might you find a compound that is an anti-muscarinic drug that treats a overdose of muscarinic drug? |
In the wild with mushrooms, nerve gas, or pesticide |
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What could be a side effect of acetylcholine in the bowel? |
Sudden spasm of the intestine and so called "pencil stool" |
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What drug could you give for motion sickness? |
Scopolamine |
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How might you treat the side effects of myasthenia gravis? |
You can block the muscarinic receptor at the level of intestine but leave the nicotinic receptor alone by giving atropine. |
