EKG Final Quiz

125 Questions | Total Attempts: 3256

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EKG Quizzes & Trivia

During the course of the year we have learnt a lot on the use and application of the EKG machine. With the finals just around the corner it is paramount to get some review questions to jog your memory. The quiz below is designed for just that. Give it a try and all the best!


Questions and Answers
  • 1. 
    What is the name of the smallest part of the lungs responsible for gas exchange?
    • A. 

      Villi

    • B. 

      Alveoli

    • C. 

      Intestine

    • D. 

      Pockets

  • 2. 
    Which of the following events is present during ventricular relaxation?
    • A. 

      Polarization

    • B. 

      Depolarization

    • C. 

      Repolarization

    • D. 

      Isopolarization

  • 3. 
    Which of the following electrical events will result in contraction?
    • A. 

      Polarization

    • B. 

      Repolarization

    • C. 

      Depolarization

    • D. 

      Relaxationm

  • 4. 
    Normal sensitivity level for running EKG is:
    • A. 

      0.8mv

    • B. 

      1mv

    • C. 

      2mv

    • D. 

      1cm

  • 5. 
    What is the measurement of the time presented by one small square on the EKG is:
    • A. 

      0.20 sec

    • B. 

      0.20 min

    • C. 

      0.04 sec

    • D. 

      4 seconds

  • 6. 
    AVR, aVL, and aVF are known as the:
    • A. 

      Standard leads

    • B. 

      Chest leads

    • C. 

      Augmented leads

    • D. 

      Bipolar leads

  • 7. 
    An electrocardiogram is a recording of the:
    • A. 

      Electrical activity of the heart

    • B. 

      Opening and closing of the valves of the heart

    • C. 

      Force of the blood against the walls of the blood vessels

    • D. 

      Contraction and relaxation of the ventricles

  • 8. 
    Electrodes are also referred to as:
    • A. 

      Sensors

    • B. 

      Leads

    • C. 

      Wires

    • D. 

      Tracing

  • 9. 
    The heart normally beats each minute approximatley:
    • A. 

      40-60 beats

    • B. 

      60-80 beats

    • C. 

      60-100 beats

    • D. 

      None of the above

  • 10. 
    Which side of the heart is a low-pressure system that pumps venous blood to the lungs?
    • A. 

      Left

    • B. 

      Right

  • 11. 
    _____________ is the ability of cardiac cells to spontaneously initiate an electrical impulse without being stimulated from another source (scuh as a nerve)
    • A. 

      Excitability

    • B. 

      Conductivity

    • C. 

      Automaticity

    • D. 

      Contractility

  • 12. 
    Which of the following are possible causes of sinus tachycardia?
    • A. 

      Hypothermia, hypovolemia

    • B. 

      Hypoxia, calcium channel blocker overdose

    • C. 

      Fever, pain, anxiety

    • D. 

      Vomiting

  • 13. 
    The QRS complex associated with a complete (third-degree) AV block is always wide.
    • A. 

      True

    • B. 

      False

  • 14. 
    The PR interval is constant in a second-degree AV block is always wide.
    • A. 

      True

    • B. 

      False

  • 15. 
    The PR interval is constant in a second-degree AV block type II>
    • A. 

      True

    • B. 

      False

  • 16. 
    Second-degree AV blocks are examples of incomplete AV blocks.
    • A. 

      True

    • B. 

      False

  • 17. 
    During a first-degree AV block, the PR intervals are completely variable because the atria and ventricles beat independently of each other.
    • A. 

      True

    • B. 

      False

  • 18. 
    Second-degree AV block type I is likely to progress rapidly to a complete (third-degree) AV block without warning.
    • A. 

      True

    • B. 

      False

  • 19. 
    The QT interval is measured from the:
    • A. 

      Beginning of the QRS complex to the beginning of the T wave

    • B. 

      End of the Q wave to the beginning of the P wave

    • C. 

      Beginning of the QRS complex to the end of the T wave

    • D. 

      End of the T wave to the beginning of the P wave

  • 20. 
    The lead from center of the heart to the positive left leg
    • A. 

      II

    • B. 

      III

    • C. 

      AVF

    • D. 

      AVR

  • 21. 
    The lead from right arm to the left leg
    • A. 

      II

    • B. 

      III

    • C. 

      AVR

    • D. 

      AVF

  • 22. 
    The lead from left arm to the right arm
    • A. 

      I

    • B. 

      II

    • C. 

      AVL

    • D. 

      AVF

  • 23. 
    The lead from the center of the heart to the positive right arm
    • A. 

      I

    • B. 

      III

    • C. 

      AVL

    • D. 

      AVR

  • 24. 
    The lead from the left arm to the left leg.
    • A. 

      I

    • B. 

      III

    • C. 

      II

    • D. 

      AVF

  • 25. 
    The R-R interval on the EKG tracing is 5 large squares, the heart rate is?
    • A. 

      70

    • B. 

      80

    • C. 

      120

    • D. 

      60

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