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Pharmacology > Chapter 19 > Flashcards

Chapter 19 Flashcards

1
Q

how do adrenergic blockers WORK

A

bind to adrenergic receptors BUT block/inhibit stimulation of the sympathetic nervous system (SNS)

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2
Q

characteristics of adrenergic blockers

A
  • OPPOSE actions of adrenergics
  • inhibit sympathetic stimulation
  • known as adrenergic antagonists/sympatholytics
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3
Q

how are adrenergic blockers classified

A

by the receptor they block:

  • alpha 1 and 2 receptors
  • beta 1 and 2 receptors
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4
Q

what do alpha blocker meds end in?

A

-sin: primarily block alpha 1 receptors

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5
Q

therapeutic alpha blocker usages

A
  • essential hypertension
  • reversal of toxicity from alpha agonists (prevent effects extravasation- fluid leaking)
  • BPH
  • pheochromocytoma (tumor on adrenal gland)
  • raynaud’s disease
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Pharmacology (4 decks)

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