Drugs + Receptor mechanisms

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Chapter 17

11 Terms

1
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Phenylephrine

  1. A1 agonist

  2. Sympathomimetic

  3. Dilates eyes


2
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Beta blockers

Sympatholytic

3
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Pilocarpine

  1. Muscarinic agonist

  2. Parasympathomimetic

  3. Pupil constriction


4
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Atropine

  1. Muscarinic antagonist

  2. Anticholinergic (Blocks ACh)

  3. Higher heart rate


5
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Alpha-1 receptor

Releases intracellular Ca2+

6
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Alpha-2 receptor

Decreases cAMP

7
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Beta-1 receptor

Increases cAMP; more heart stimuli

8
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Beta-2 receptor

Increases cAMP; Relaxes lungs

9
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Beta-3 receptor

increases cAMP; breaks down fat

10
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Tropicamide

  1. Muscarinic antagonist

  2. Pupil dilation


11
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Scopolamine

  1. Muscarinic antagonist

  2. Motion sickness