Cardiac Glycosides: Mechanism and Prototype
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Questions and Answers

Which drug is considered the prototype cardiac glycoside?

  • Lanoxin (correct)
  • Metoprolol
  • Aspirin
  • Amoxicillin
  • What is one of the main actions of digoxin (Lanoxin)?

  • To cause more forceful heartbeat (correct)
  • To decrease the force of the heartbeat
  • To increase blood pressure
  • To increase the heart rate
  • What is the primary use of digoxin?

  • To reduce blood pressure
  • To increase contractility or strength of myocardial contraction (correct)
  • To reduce fever
  • To relieve pain
  • Which of the following is an adverse effect of digoxin?

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

    In addition to causing a more forceful heartbeat, what other action does digoxin have on the heart?

    <p>It slows the heart rate</p> Signup and view all the answers

    What is the primary mechanism of action of digoxin?

    <p>Cause more forceful heartbeat and slower heart rate</p> Signup and view all the answers

    Which condition is digoxin primarily used to treat?

    <p>Increase contractility or strength of myocardial contraction</p> Signup and view all the answers

    Which type of drug is Lanoxin?

    <p>Cardiac glycoside</p> Signup and view all the answers

    What are some adverse effects of digoxin?

    <p>Neutropenia, dysrhythmias, digitalis toxicity</p> Signup and view all the answers

    Which effect does digoxin NOT have?

    <p>Increase calcium levels in blood</p> Signup and view all the answers

    Study Notes

    Cardiac Glycosides

    • Digoxin (Lanoxin) is the prototype drug of cardiac glycosides
    • Mechanism of action of cardiac glycosides is to increase the force of the heartbeat and decrease the heart rate
    • The primary effect of cardiac glycosides is to regulate the heart's rhythm and contractions

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    Description

    This quiz covers cardiac glycosides, focusing on the prototype drug digoxin and its mechanism of action in increasing heart force and slowing heart rate.

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