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9 Cards in this Set
- Front
- Back
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histamine is stored in
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mast cells
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mech of action for histamine
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BIND TO RECEPTORS
either H1 or H2 |
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what does histamine normally do
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dialate small vessels
constrict large vessels itch, pain (sensory nerves) constrict bronchioles increased exocrine secretion |
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mechanism of antihistamines
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BLOCK RECEPTORS
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Considering the point of view for your communication, describe how writing in the second person is done.
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Second person is the person spoken to; allows writer to maintain personal relationship with reader.
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H2 blockers do what
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inhibit HCL secretion in the stomach
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what is urticaria
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itching
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difference between first generation and second generation H1 blockers
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1st generation get into CNS
2nd generation don't |
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characteristics of first generation H1 blocker
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high lipid sollubility; all unionized
get into CNS |
