Anti-arrhythmic MCQ

12 Questions | Total Attempts: 2920

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MCQ Quizzes & Trivia

A short quiz based on the information in the ant-arrhythmic section.


Questions and Answers
  • 1. 
    What is an arrhythmia?
    • A. 

      Accelerated heart beat.

    • B. 

      Slow heart beat.

    • C. 

      Irregular heart beat.

    • D. 

      A type of heart cancer

  • 2. 
    How do anti-arrhythmic agents work?
    • A. 

      They change electrical conduction of the heart by targeting the defective myocytes.

    • B. 

      They change electrical conduction of the heart by targeting the pacemaker.

    • C. 

      They change electrical conduction of the heart by targeting the ion channels

    • D. 

      They change electrical conduction of the vasculature by targeting the ion channels

  • 3. 
    What is the most common side effect of anti-arrhythmic therapy?
    • A. 

      Pseudo arrhythmia

    • B. 

      Proarrhythmia

    • C. 

      Bradycardia.

    • D. 

      Tachycardia

  • 4. 
    What is proarrhthmia?
    • A. 

      A worsening of existing arrhythmias

    • B. 

      A development of new arrhythmias

    • C. 

      A development of new arrhythmias and/or a worsening of existing arrhythmias

    • D. 

      The development of new myocytes

  • 5. 
    Proarrthmias are most common in which 2 classes of anti-arrhythmic agents?
    • A. 

      Class II & Class IV

    • B. 

      Class I & Class III

    • C. 

      Class III & Class V

    • D. 

      Class I & Class V

  • 6. 
    Under which class of anti-arrhythmic agents is Flecainide catagorised?
    • A. 

      Class I

    • B. 

      Class II

    • C. 

      Class III

    • D. 

      Class IV

  • 7. 
    Flecainide_________________________.
    • A. 

      Increases conduction velocity.

    • B. 

      Decreases conduction velocity

    • C. 

      Has no affect on conduction velocity.

    • D. 

      Can increase/decrease conduction velocity depending on concentration

  • 8. 
    Flecainide has its greatest effect on cardaic function via   ________     ______ & the __________  ___   ____.
    • A. 

      Purking fibres, bundle of his

    • B. 

      Purking fibres, medial temporal bundle

    • C. 

      Oxidative stress, bundle of his

    • D. 

      Parking fibres , bundle of her

  • 9. 
    Flecainide has no effect on re-polarization. True or false?
    • A. 

      True

    • B. 

      False

  • 10. 
    The toxicity of flecainide is linnked to what?
    • A. 

      Age of patient.

    • B. 

      Type of arrhythmia.

    • C. 

      Whether the patient is being treated at home or in hospital.

    • D. 

      Plasma concentration.

  • 11. 
    What does the treatent of flecainide toxicity involve? (Choose 3)
    • A. 

      Increasing the Na concentration at the active site

    • B. 

      Regular exercise

    • C. 

      Surgery

    • D. 

      Increase in dose

    • E. 

      Prescription of physostigmine

    • F. 

      Decrease/removal of dose

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