NCCT ECG Certification Review - Part 3 Rhythm (Rh)

33 Questions | Total Attempts: 3807

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NCCT ECG Certification Review - Part 3 Rhythm (Rh)

From Official Review Book National Certified ECG Technician Part 3 Rhythm (RH)


Questions and Answers
  • 1. 
    The heart has two components: mechanical and
    • A. 

      A. conductive

    • B. 

      B. rhythmical

    • C. 

      C. balanced

    • D. 

      D. electrical

  • 2. 
     To fully evaluate a patient's cardiac function, you must assess
    • A. 

      A. pulse

    • B. 

      B. pressure

    • C. 

      C. ECG

    • D. 

      D. All answers are correct

  • 3. 
    Electrocardiography is the study of_________
    • A. 

      A. arrhythmias

    • B. 

      B. angina pectoralis

    • C. 

      C. electrodes

    • D. 

      D. myocardium

  • 4. 
    Repolarization represented by the ST segment and T waves occurs                 QRS depolarization in an individual complex.
    • A. 

      A. before

    • B. 

      B. after

    • C. 

      C. during

    • D. 

      D. None of the answers are correct

  • 5. 
    A test that creates high frequency sound vibrations that are sent into the heart through the chest wall is known as a(n) ______________
    • A. 

      A. phonocardiogram

    • B. 

      B. echocardiogram

    • C. 

      C. electrocardiogram

    • D. 

      D. angiograni

  • 6. 
    6. Three major areas of the conduction system are the Ventricle, SA node and the
    • A. 

      A. AV node

    • B. 

      B. QRS range

    • C. 

      C. SA junction

    • D. 

      D. terminal junction

  • 7. 
    7. To obtain the best results on an ECG reading you should_________
    • A. 

      1. clean the skin area

    • B. 

      2. abrade the skin slightly

    • C. 

      3. disinfect the electrode

    • D. 

      4. use a contact medium

  • 8. 
    . If electricity flows toward the negative electrode, a __________ pattern is produced on the graph.
    • A. 

      A. downward/inverted

    • B. 

      B. upright

    • C. 

      C. bold

    • D. 

      D. uneven

  • 9. 
    Time is measured by measuring the number of square blocks along the __________ of the graph paper.
    • A. 

      A. side

    • B. 

      B. y axis

    • C. 

      C. x axis

    • D. 

      D. No answer is correct

  • 10. 
    10. Voltage is measured by noting the height of a spike along the _________ of the graph paper.
    • A. 

      A. vertical (y) axis

    • B. 

      B. horizontal x) axis

    • C. 

      C. bottom

    • D. 

      D. None of the answers are correct

  • 11. 
       11. What is the standard rate at which an ECG machine runs paper past the stylus?
    • A. 

      A. 15 mm/sec

    • B. 

      B. 25mm/sec

    • C. 

      C. 35 mm/sec

    • D. 

      D. 45mm/sec

  • 12. 
    12. How long does it take to get from one bold line on ECU graph paper to the next bold line?
    • A. 

      A. 0.1 seconds

    • B. 

      B. 0.2 seconds

    • C. 

      C. 0.3 seconds

    • D. 

      D. 0.4 seconds

  • 13. 
    Consider the five small squares between the bold lines on ECG graph paper; how much time is needed to cross one small square?
    • A. 

      A. 0.01 seconds

    • B. 

      B. 0.03 seconds

    • C. 

      C. 0.04 seconds

    • D. 

      D. 0.05 seconds

  • 14. 
    14. How many prominent waves are in one complete cardiac cycle?
    • A. 

      2

    • B. 

      3

    • C. 

      5

    • D. 

      7

  • 15. 
    15. The distance between waves is referred to as
    • A. 

      A. base spaces

    • B. 

      B. intervals

    • C. 

      C. segments

    • D. 

      D. cycles

  • 16. 
    16. The line between the P wave and the next wave is called
    • A. 

      A. AV node

    • B. 

      B. PR segment

    • C. 

      C. SA node

    • D. 

      D. QRS complex

  • 17. 
    17. The P wave is indicative of_________
    • A. 

      A. repolarization

    • B. 

      B. atrial depolarization

    • C. 

      C. ainal repolarization

    • D. 

      D. depolarization

  • 18. 
      18.       A line between waves is referred to as a
    • A. 

      A. baseline

    • B. 

      B. segment

    • C. 

      C. interval

    • D. 

      D. cycle

  • 19. 
    The              refractory period occurs when the cells cannot respond to stimuli.
    • A. 

      A. early

    • B. 

      B. absolute

    • C. 

      C. relative

    • D. 

      D. correspondent

  • 20. 
    The                refractory period occurs when some of the cells are able to respond.
    • A. 

      Early

    • B. 

      Absolute

    • C. 

      Relative

    • D. 

      Corresponding

  • 21. 
      21. Major categories of arrhythmias are __________
    • A. 

      Sinus, junctional

    • B. 

      Atrial, junctional, ventricular

    • C. 

      Sinus, junctional, ventricular

    • D. 

      Sinus, atrial, junctional, ventricular

  • 22. 
    22. In interpreting an arrhythmia, which of the following questions should one ask?
    • A. 

      A. Are all the QRS complexes of equal duration?

    • B. 

      B. Do all the P waves look alike?

    • C. 

      C. Is the rhythm irregular?

    • D. 

      D. All answers are possibilities

  • 23. 
    • A. 

      A. 300

    • B. 

      B. 900

    • C. 

      C. 1500

    • D. 

      D. None of the answers are correct

  • 24. 
    When electrical current moves through the heart from the right arm toward the left arm, a positive deflection is registered in lead                
    • A. 

      A. AVR

    • B. 

      B. Lead II

    • C. 

      C. AVL

    • D. 

      D. VI

  • 25. 
    When the ECG selector switch is turned to lead II, a connection is made between the left leg and the                   
    • A. 

      A. left arm

    • B. 

      B. right arm

    • C. 

      C. right leg

    • D. 

      D. chest lead

  • 26. 
    • A. 

      A. left arm

    • B. 

      B. right arm

    • C. 

      C. right leg

    • D. 

      D. chest lead

  • 27. 
    27. Sinus P waves differ from ectopic atrial P waves because they are                               
    • A. 

      Upright, notched

    • B. 

      Uniform, inverted

    • C. 

      Upright, uniform

    • D. 

      Upright, uniform, inverted

  • 28. 
    Impulses from the AV node go through the Bundle of His to the __________
    • A. 

      A. SA node

    • B. 

      B. intra-atrial pathways

    • C. 

      C. right & left bundle branches

    • D. 

      D. Purkinje cells

  • 29. 
    29.         The QRS measurement for a PAC should be              seconds.
    • A. 

      A. less than 0.12

    • B. 

      B. between 0.12-15

    • C. 

      C. more than l5

    • D. 

      D. less than 0.04

  • 30. 
      30. What is the rate range for junctional tachycardia?
    • A. 

      A. 10-80

    • B. 

      B. 100-180

    • C. 

      C. 200-280

    • D. 

      D. 280 and over

  • 31. 
      31.                  Atrial fibrillation is demonstrated with a rate of more than           bpm.
    • A. 

      150

    • B. 

      200

    • C. 

      250

    • D. 

      350

  • 32. 
    32. Rhythms that originate in the AV junction include                  
    • A. 

      Premature junctional contraction

    • B. 

      Premature junctional contraction, accelerated junctional rhythm

    • C. 

      Premature junctional contraction, accelerated junctional rhythm, junctional tachycardia

    • D. 

      Premature junctional contraction, accelerated junctional rhythm, junctional tachycardia, junctional escape rhythm

  • 33. 
    The bpm for 1 large square would be
    • A. 

      A. 300

    • B. 

      B. 100

    • C. 

      C. 30

    • D. 

      D. 0.3