Pharmacology of Beta-Adrenergic Blocking Drugs
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Questions and Answers

What is the primary location of beta-1 receptors in the body?

  • The heart (correct)
  • Vascular smooth muscle
  • Skeletal muscle
  • Bronchial smooth muscle

    • What is the effect of blocking beta-2 receptors on the bronchial smooth muscle?

  • Glycogenolysis stimulation
  • Bronchoconstriction (correct)
  • Bronchodilation
  • Vasodilation

    • Which type of beta-blocker primarily blocks beta-1 receptors in the heart?

  • Selective beta-1 blocker (correct)
  • Selective beta-2 blocker
  • ISA blocker
  • Non-selective beta-blocker

    • What is the effect of beta-blockers on heart rate and contractility?

    <p>Decrease in heart rate and contractility</p> Signup and view all the answers

    Which of the following beta-blockers is an example of a non-selective beta-blocker?

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

    What is a characteristic of beta-blockers with ISA?

    <p>They have partial agonist activity at beta receptors</p> Signup and view all the answers

    Which of the following beta-blockers has additional sodium channel-blocking activity?

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

    What is a clinical use of beta-blockers?

    <p>Lowering blood pressure in patients with hypertension</p> Signup and view all the answers

    What is a contraindication for beta-blockers?

    <p>Severe bradycardia</p> Signup and view all the answers

    What is a potential interaction between beta-blockers and other medications?

    <p>Additive cardiovascular effects</p> Signup and view all the answers

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