Cardiac Electrophysiology, Telemetry, And EKG Basics Stokke N180

16 Questions | Total Attempts: 547

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Cardiac Electrophysiology, Telemetry, And EKG Basics Stokke N180 - Quiz

This is not about the dysrhythmias - those will be on another quiz. This is on reading the strips and what all the waves, phases, etc. Represent. As always, the normal disclaimers apply. . .


Questions and Answers
  • 1. 
    What does phase 0 is this action potential chart represent?
    • A. 

      Depolarization

    • B. 

      Rapid Repolarization

    • C. 

      Refractory period

  • 2. 
    What does phase 1 is this action potential chart represent?
    • A. 

      Early repolarization

    • B. 

      Early plateau phase

    • C. 

      Early depolarization

  • 3. 
    What does phase 2 is this action potential chart represent?
    • A. 

      Refractory period

    • B. 

      Early repolarization

    • C. 

      Plateau phase

  • 4. 
    What does phase 3 is this action potential chart represent?
    • A. 

      Depolarization

    • B. 

      Rapid repolarization

    • C. 

      Early repolarization

  • 5. 
    What does phase 4 is this action potential chart represent?
    • A. 

      Refractory period

    • B. 

      Depolarization

    • C. 

      Repolarization

  • 6. 
    In this lead strip, which is the most likely diagnosis for the bottom lead?
    • A. 

      NS Rhythm

    • B. 

      AV block one

    • C. 

      Tachycardia

  • 7. 
    On EKGs, the P waves represent what?
    • A. 

      Atrial depolarization

    • B. 

      Atrial repolarization

    • C. 

      SA node firing

  • 8. 
    On EKGs, the PR interval represents what?
    • A. 

      The time it takes for the atria to contract.

    • B. 

      The time it takes for the impulse to get from the SA node (the moment it is created) to the ventricles.

    • C. 

      Atrial repolarization

  • 9. 
    On EKGs, the QRS interval (aka complex) represents what?
    • A. 

      Ventricular repolarization

    • B. 

      Ventricular depolarization

    • C. 

      Diastole

  • 10. 
    On EKGs, the T waves represent what?
    • A. 

      Ventricular Repolarization

    • B. 

      Ventricular Depolarization

    • C. 

      Papillary muscle repolarization

  • 11. 
    On EKGs, the QT interval represent what?
    • A. 

      The amount of time it takes the ventricles to depolarize

    • B. 

      The amount of time it takes the ventricles to repolarize

    • C. 

      A + B

  • 12. 
    On an EKG, each SMALL block represents how much time?
    • A. 

      0.4 seconds

    • B. 

      0.2 seconds

    • C. 

      0.04 seconds

  • 13. 
    On an EKG, each LARGE block represents how much time?
    • A. 

      O.4 seconds

    • B. 

      0.2 seconds

    • C. 

      0.04 seconds

  • 14. 
    A normal PR interval is _____________.
    • A. 

      0.12 - 0.2 seconds

    • B. 

      0.04 - 0.10 seconds

    • C. 

      1.0 - 2.0 seconds

  • 15. 
    A normal QRS complex is _____________.
    • A. 

      0.12 - 0.2 seconds

    • B. 

      0.04 - 0.10 seconds

    • C. 

      1.0 - 2.0 seconds

  • 16. 
    A normal QT interval (which shows us the amount of time it takes to get the ventricles depolarized then repolarized) is _________________.
    • A. 

      0.04 - 0.30 seconds

    • B. 

      0.03 - 0.4

    • C. 

      0.3 –0.44 seconds

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