extra drugs block 1

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Last updated 5:24 PM on 9/30/26
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8 Terms

1
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buprenorphine

partial mu opioid receptor agonist with high receptor affinity but lower efficacy than full opioid agonists

2
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methacholine MOA

muscarinic receptor agonist

  • mimics acetylcholine at muscarinic receptors (bronchial smooth muscle)


3
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methacholine primary indication

used to diagnose asthma

4
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botulinum toxin

prevent presympathetic acetylcholine release by disrupting vesicle fusion

  • reduces cholinergic transmission


5
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Prazosin

  • competitive alpha 1 adrenergic antagonist

  • reduces alpha 1 mediated smooth muscle contraction

  • vasodilation

  • relaxation of urinary outflow smooth muscle


6
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Dobutamine

  • beta 1 adrenergic agonist

  • increase cardiac contractility and CO


7
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Propranolol

  • nonselective B1/B2 adrenergic antagonist

  • blocks sympathetic beta receptor effects, including cardiac stimulation


8
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Yohimbine

alpha 2 adrenergic antagonist

  • blocks presynaptic alpha 2 autoreceptors

  • removes negative feedback on NE release

  • increases NE signaling