Classification and Pharmacological Effects of β-Receptor Blockers Quiz
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Questions and Answers

Which of the following is a selective β1 blocker used in the treatment of glaucoma?

  • Propranolol
  • Timolol (correct)
  • Pindolol
  • Bisoprolol

Which of the following is NOT a use of β blockers?

  • Prophylaxis of migraine
  • Treatment of hyperthyroidism (correct)
  • Management of anxiety disorders
  • Treatment of hypertension

Which of the following is a common adverse effect of non-selective β blockers?

  • Hyperthyroidism
  • Hyperglycemia
  • Bronchospasm (correct)
  • Hypertension

What is the mechanism of action of propranolol in reducing portal hypertension in liver cirrhosis?

<p>It causes splanchnic vasoconstriction and decreases portal blood flow (A)</p> Signup and view all the answers

Which of the following is an absolute contraindication for the use of β blockers?

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

What is the recommended approach for discontinuing β blockers after prolonged use?

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

Which of the following is a relative contraindication for the use of β blockers?

<p>Diabetes mellitus (A)</p> Signup and view all the answers

Which of the following adverse effects of β blockers is related to their blockade of β2 receptors in skeletal muscles?

<p>Tiredness and fatigue (A)</p> Signup and view all the answers

Which of the following conditions is a relative contraindication for the use of β blockers?

<p>Peripheral vascular disease (D)</p> Signup and view all the answers

Which of the following adverse effects of β blockers is related to their central nervous system effects?

<p>Night mares and depression (A)</p> Signup and view all the answers

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