A-Adrenergic Drugs Quiz

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Questions and Answers

Which drug can be used for anesthesia-induced hypotension?

  • Epinephrine
  • Ephedrine (correct)
  • Phenylephrine
  • Norepinephrine (Levophed)

Which drug has the mechanism of action involving a and B1 receptors?

  • Norepinephrine (Levophed) (correct)
  • Ephedrine
  • Phenylephrine
  • Epinephrine

Which drug is used as an intranasal decongestant and for eye dilation?

  • Epinephrine
  • Phenylephrine (correct)
  • Ephedrine
  • Norepinephrine (Levophed)

Which drug is associated with adverse reactions such as rebound congestion when overused?

<p>Phenylephrine (C)</p> Signup and view all the answers

Which drug has the clinical use for anaphylaxis and inhaled for bronchodilation or stridor?

<p>Epinephrine (D)</p> Signup and view all the answers

Which drug is primarily used for anesthesia-induced hypotension?

<p>Ephedrine (B)</p> Signup and view all the answers

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Study Notes

Anesthesia-Induced Hypotension

  • Phenylephrine can be used to treat anesthesia-induced hypotension.

Mechanism of Action

  • Phenylephrine's mechanism of action involves α and β1 receptors.

Clinical Uses

  • Phenylephrine is used as an intranasal decongestant and for eye dilation.
  • Epinephrine is used to treat anaphylaxis and can be inhaled for bronchodilation or stridor.

Adverse Reactions

  • Overuse of phenylephrine can lead to rebound congestion.

Treatment of Hypotension

  • Phenylephrine is primarily used to treat anesthesia-induced hypotension.

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