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Exam (elaborations)

NURA 221 Adrenergic Questions & 100% Correct Answers

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  • NURA 221

Adrenergic stimulation gives similar response to __________ and is therefore referred to as_____ ~~> sympathetic nervous system activation; sympathomimetic what are the five main adrenergic receptors? ~~> alpha 1, alpha 2, beta 1, beta 2, Dopaminergic effects of alpha 1 receptor sti...

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  • September 12, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NURA 221
  • NURA 221
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MASTER01
1 | P a g e | © copyright 2024/2025 | Grade A+




NURA 221 Adrenergic Questions & 100%
Correct Answers
Adrenergic stimulation gives similar response to __________ and is therefore

referred to as_____

✓ ~~> sympathetic nervous system activation; sympathomimetic




what are the five main adrenergic receptors?

✓ ~~> alpha 1, alpha 2, beta 1, beta 2, Dopaminergic




effects of alpha 1 receptor stimulation (2)

✓ ~~> 1. profuse, body-wide vasoconstriction

2. Mydriasis




Primary uses for Alpha 1 stimulants (agonists)

✓ ~~> Hypotension

Homeostasis (?)

Nasal Decongestion (caused by vasoconsctrion of blood vessels)

Adjunct to local anesthesia

stimulate mydriasis (for eye exams) or correct miosis




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+



primary location of alpha 1 receptors

✓ ~~> peripheral blood vessels




explain stimulating alpha 2 receptors (administering alpha 2 agaonist)

causes/

✓ ~~> Peripheral alpha 2 receptor stimulation has minimal

consequences/action

Alpha 2 receptors stimulated within CNS lead to reduction of sympathetic

outflow to heart and vessels, theoretically blocking alpha 1 receptors and

leading to vasodilations within peripheral vessels




End result of alpha 2 receptor stimulation (agonist)

✓ ~~> hypotension (potentiall severe, life threatening)

Analgesia (pain relief




Where are Beta 1 receptors located?

✓ ~~> Heart




Beta 1 receptor activation causes? (2)

✓ ~~> increased HR, increased concratility




Master01 | September, 2024/2025 | Latest update

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