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Alpha and Beta-Adrenergic Blocking Drugs: Pharmacology Overview
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Alpha and Beta-Adrenergic Blocking Drugs: Pharmacology Overview

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Questions and Answers

What is the primary effect of alpha-adrenergic blocking drugs on blood vessels?

  • Vasodilation (correct)
  • Increased blood pressure
  • No effect on blood vessels
  • Vasoconstriction

    • What is the difference between selective alpha-1 blockers and non-selective alpha blockers?

  • Selective alpha-1 blockers block only alpha-1 receptors, whereas non-selective alpha blockers block both alpha-1 and alpha-2 receptors (correct)
  • Selective alpha-1 blockers block only beta-1 receptors, whereas non-selective alpha blockers block only beta-2 receptors
  • Selective alpha-1 blockers block both alpha-1 and alpha-2 receptors, whereas non-selective alpha blockers block only alpha-1 receptors
  • Selective alpha-1 blockers block only alpha-2 receptors, whereas non-selective alpha blockers block both alpha-1 and alpha-2 receptors

    • What is the effect of beta-adrenergic blocking drugs on heart rate?

  • Increased heart rate
  • Variable effect on heart rate
  • No effect on heart rate
  • Decreased heart rate (correct)

    • Which of the following is an example of a non-selective alpha blocker?

    <p>Phentolamine</p> Signup and view all the answers

    What is the common effect of both alpha-adrenergic blocking drugs and beta-adrenergic blocking drugs?

    <p>Vasodilation</p> Signup and view all the answers

    What is the primary effect of selective beta-1 blockers on the heart?

    <p>Decreased heart rate and cardiac output</p> Signup and view all the answers

    Which of the following beta blockers has alpha-blocking activity?

    <p>Carvedilol</p> Signup and view all the answers

    What is the primary effect of non-selective beta blockers on patients with asthma or COPD?

    <p>Bronchoconstriction</p> Signup and view all the answers

    Which of the following is a clinical use of alpha-adrenergic blocking drugs?

    <p>Hypertension</p> Signup and view all the answers

    What is the overall effect of alpha and beta-adrenergic blocking drugs dependent on?

    <p>Their selectivity and additional properties</p> Signup and view all the answers

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