Multiple Choice EKG Quiz Questions

68 Questions | Total Attempts: 6239

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Multiple Choice EKG Quiz Questions

Not everyone is equipped to use an EKG machine and deduce what the findings mean. The quiz below is designed to test out what you understood about the machine and how it is used in the field. Give it a try and note what you need to read up more on.


Questions and Answers
  • 1. 
    One small square on an EKG is equivalent to how much time ( and what  distance)?
    • A. 

      0.04 sec (2mm)

    • B. 

      0.20 sec (1mm)

    • C. 

      .04 sec (1mm)

    • D. 

      .01 sec (1mm)

  • 2. 
    One large square is equal to what amount of time (and distance) on EKG? 
    • A. 

      2 sec/.5mm

    • B. 

      20 sec/5 mm

    • C. 

      0.02 sec/0.5mm

    • D. 

      0.2 sec/5mm

  • 3. 
    What leads are considered inferior leads?
    • A. 

      II, III, aVF

    • B. 

      II, III, aVR

    • C. 

      I,II,III

    • D. 

      V1,II

  • 4. 
    What leads are considered (left) lateral leads?
    • A. 

      I aVR

    • B. 

      I, aVL

    • C. 

      V5,V6

    • D. 

      II,III

  • 5. 
    Choose the correct placement of V1 :
    • A. 

      5th right intercostal space

    • B. 

      V2

    • C. 

      4th right intercostal space

    • D. 

      Where the sun don't shine

  • 6. 
    Name the correct placement of V2:
    • A. 

      4th left intercostal space

    • B. 

      4th right intercostal space

    • C. 

      5th left intercostal space

    • D. 

      5th right intercostal space

  • 7. 
    Name the placement for V4
    • A. 

      Who cares

    • B. 

      5th intercostal space, anterior axillary line

    • C. 

      5th intercostal space, midclavicular line

    • D. 

      5th intercostal space midaxillary line

  • 8. 
    What view of the heart does V1-V4 give ?
    • A. 

      Anterior

    • B. 

      Posterior

    • C. 

      Lateral

  • 9. 
    What view of the heart does V5-V6 give ?
    • A. 

      Left lateral view

    • B. 

      Right lateral view

    • C. 

      Mid axillary view

  • 10. 
    Normal height and length of P wave? ** < stands for less than or equal to
    • A. 

    • B. 

    • C. 

    • D. 

  • 11. 
    In which lead is the P wave best seen?
    • A. 

      II

    • B. 

      III

    • C. 

      AvF

    • D. 

      V1

  • 12. 
    In which leads would you see a positive P wave?
    • A. 

      I, II, III

    • B. 

      AVL, AVF, V4-V6

    • C. 

      V4-V6

    • D. 

      I, II, AVL, AVF, V4-V6

  • 13. 
    In which lead would you see a BIPHASIC P wave?
    • A. 

      V2-V3

    • B. 

      V5-V6

    • C. 

      V1

    • D. 

      V3

  • 14. 
    What is the normal length in PR interval in both seconds and mm?
    • A. 

      0.12 to 0.18 seconds (3-5mm)

    • B. 

      0.12 to 0.20 seconds (3-5 mm)

  • 15. 
    Normal duration of QRS complex?
    • A. 

      0.06 to 0.10 seconds

    • B. 

      .04 to 0.90 seconds

  • 16. 
    Regarding the QRS complex: In which leads would you see a Deep S wave ?
    • A. 

      V1

    • B. 

      V1, V2

    • C. 

      V3, v4

    • D. 

      V5,v6

  • 17. 
    Regarding the QRS complex: In which lead(s) would you see a TALL R wave?
    • A. 

      V5

    • B. 

      V6

    • C. 

      V1,V2

    • D. 

      V5,V6

  • 18. 
    Regarding the QRS complex: In which lead(s) would you see a biphasic complex, reflection a "transition zone"?
    • A. 

      V1,V2

    • B. 

      V2,V3

    • C. 

      V3, V4

    • D. 

      V4,V5

  • 19. 
    In what leads do you see an "R wave progression"?
    • A. 

      V1 to v6

    • B. 

      V2 to v4

    • C. 

      V5 to v6

    • D. 

      V1 to v4

  • 20. 
    What part of the EKG is known as the "plateau phase", and represents the initial part of ventricular repolarization?
    • A. 

      S Wave

    • B. 

      ST Segment

    • C. 

      PR interval

  • 21. 
    What segment, if elevated or depressed, reveals a sign of serious pathology?
    • A. 

      ST

    • B. 

      PR

    • C. 

      R-R

    • D. 

      QT

  • 22. 
    What wave represents ventricular repolarization?
    • A. 

      U wave

    • B. 

      P wave

    • C. 

      Q wave

    • D. 

      T wave

  • 23. 
    Which of the following best represents the normal height of the T WAVE?
    • A. 

      1/2-2/3 height of corresponding R wave

    • B. 

      1/3-2/3 height of corresponding R wave

    • C. 

      1/3-2/3 height of corresponding T wave

    • D. 

      1/2-2/3 height of corresponding T wave

  • 24. 
    What portion of the EKG represents the duration of ventricular systole?       
    • A. 

      QT interval

    • B. 

      PR segment

    • C. 

      QRS complex

    • D. 

      ST segment

  • 25. 
    The QT interval varies with heart rate,  and thus must be corrected. This corrected QT interval is also abbreviated as (QTc). This value is considered normal when it's less than half of the _____ interval at normal rates.
    • A. 

      P-R

    • B. 

      Q-R

    • C. 

      R-R

    • D. 

      P-P

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