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12 Cards in this Set
- Front
- Back
Adrenergic agonists are also known as... |
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Adrenergic blockers are also known as... |
Sympatholytics |
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Alpha1 receptors are found in what four places? |
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What reactions do Alpha1 receptors cause?
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* Vascular tissue in muscles is stimulated. * Arterioles and venules constrict, which returns blood to the heart. * improves circulation * ↑ Blood pressure
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Where are Alpha2 receptors located? |
In the postganglionic sympathetic nerve endings. |
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What reactions do Alpha2 receptors cause? |
* Inhibits release of norepinephrine. * ↓ vasoconstriction * ↓blood pressure
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In what two places are Beta1 receptors located? |
*Heart (primarily) |
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What reactions do Beta1 receptors cause? |
* ↑ myocardial contractility |
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* Uterine muscle |
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What reactions do Beta2 receptors cause? |
* Relaxation of lung muscles = bronchodilation |
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Where are dopaminergic receptors located? |
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What reactions do dopaminergic receptors cause? |
* Dilates vessels * ↑ blood flow |