Pharm and tox

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  • Created by: Lou
  • Created on: 24-04-17 20:45
Which 2 classes of nerves control organs when stimulated parasympathetically?
cranial and sacral
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Which 2 classes of nerves control organs when stimulated sympathetically?
lumbar and thoracic
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Does the parasympathetic n.s have short or long preganglionic fibers?
long
3 of 14
Does the parasympathetic n.s have short or long postganglionic fibers?
short
4 of 14
Does the sympathetic n.s have short or long preganglionic fibers?
short
5 of 14
Does the sympathetic n.s have short or long postganglionic fibers?
long
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what are the 2 main receptors in the parasympathetic n.s?
nicotinic and muscarinic
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what are the 2 main receptors in the sympathetic n.s?
nicotinic and adrenergic
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Activation of Beta-2 receptors does what?
relax smooth muscles, e.g bronchioles
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Activation of Beta-1 receptors does what?
increases heart rate and contractibility
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what are the 5 types of adrenergic receptors?
Alpha-1, alpha-2, beta-1, beta-2, beta-3, DA-1
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what are the 5 types of muscarinic receptors?
M1-M5
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How does a Beta-1 blocker work?
blocks SNS stimulation of the heart
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Which receptor causes bronchodilation?
Beta-2 receptor
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Other cards in this set

Card 2

Front

Which 2 classes of nerves control organs when stimulated sympathetically?

Back

lumbar and thoracic

Card 3

Front

Does the parasympathetic n.s have short or long preganglionic fibers?

Back

Preview of the front of card 3

Card 4

Front

Does the parasympathetic n.s have short or long postganglionic fibers?

Back

Preview of the front of card 4

Card 5

Front

Does the sympathetic n.s have short or long preganglionic fibers?

Back

Preview of the front of card 5
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