ECG Final

99 Questions | Total Attempts: 315

SettingsSettingsSettings
Please wait...
ECG Final

Questions and Answers
  • 1. 
    All of the following rhythms usually find the patient in situations requiring immediate emergency interventions except  P149  
    • A. 

      Asystole

    • B. 

      Ventricular fibrillation

    • C. 

      Ventricular tachycardia

    • D. 

      Premature ventricular contractions

  • 2. 
    The two most common types of ambulatory monitoring are P210
    • A. 

      Continuous and intermittent

    • B. 

      Holter and 12-lead ECG

    • C. 

      12-lead ECG and exercise electrocardiography

    • D. 

      Continuous and 12-lead ECG

  • 3. 
    Who should always be present during an exercise electrocardiography? P192
    • A. 

      Registered nurse

    • B. 

      Physician

    • C. 

      ECG technician

    • D. 

      Cardiac technician

  • 4. 
    What does the ST segment in the figure below indicate? P187
    • A. 

      A normal ST segment if during exercise electrocardiography

    • B. 

      That the heart medications are working

    • C. 

      Myocardial ischemia 心肌缺血

    • D. 

      Angina

  • 5. 
    The P wave represents. P41
    • A. 

      Atrial contraction

    • B. 

      Atrial relaxation

    • C. 

      Ventricular contraction

    • D. 

      Ventricular relaxation

  • 6. 
    Reasons for performing an ECG include all of the following except to
    • A. 

      Diagnose changes in heart rhythm

    • B. 

      Determine amount of muscles damage to the heart

    • C. 

      Monitor and evaluate individuals with heart conditions

    • D. 

      Check for problems with the flow of electricity through the heart

  • 7. 
    If a patient refuses to have an ECG performed, your next step in performing an ECG is to P83
    • A. 

      Provide any information or reassurance the patient may need

    • B. 

      Determine the cause of the refusal

    • C. 

      Be sure to explain that the machine only records electricity and does not deliver electricity

    • D. 

      Notify your supervisor

  • 8. 
    • A. 

      Treadmill stress test

    • B. 

      Echocardiogram 超声心动图

    • C. 

      Holter monitor

    • D. 

      12-lead ECG

  • 9. 
    Analyzing the shape of the P waves to see if they are all the same shape is to determine if P41
    • A. 

      The atrial impulses caused the ventricle contraction

    • B. 

      Atrial contraction occurred

    • C. 

      The atrial current is moving in the same pathway

    • D. 

      None of the above

  • 10. 
    The QRS complex represents P41
    • A. 

      Atrial contraction

    • B. 

      Atrial relaxation

    • C. 

      Ventricular contraction

    • D. 

      Ventricular relaxation

  • 11. 
    Which of the following is a common stress test protocol? 196
    • A. 

      Bruce

    • B. 

      Modified Bruce

    • C. 

      Naughton

    • D. 

      All of the above

  • 12. 
    When estimating the heart rate with the 6-second method, you must located 6-seconds on a rhythm strip, count the number of complexes, and multiply by P70
    • A. 

      10

    • B. 

      60

    • C. 

      5

    • D. 

      15

  • 13. 
    Identify the following rhythm: P138
    • A. 

      Atrial fibrillation

    • B. 

      Ventricular tachycardia

    • C. 

      Ventricular fibrillation

    • D. 

      Supraventricular tachycardia

  • 14. 
    In order to be able to interpret the information, the ECG machine will_______the recording in augmented leads P56
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Half the voltage

    • D. 

      No change

  • 15. 
    Electrical safety is maintained while performing an ECG by all of the following except P90
    • A. 

      Removing the plug from the electrical outlet by pulling it out by the prong connection

    • B. 

      Ensuring that the bed or examination table is not touching the wall or any electrical equipment

    • C. 

      Checking the insulation on the electrical cord for cracks or frays

    • D. 

      Having the patient remove any electrical equipment from his body

  • 16. 
    Identify the following rhythm: P154
    • A. 

      Atrial fibrillation

    • B. 

      Sinus rhythm

    • C. 

      Bundle branch block

    • D. 

      Agonal rhythm

  • 17. 
    Identify the basic functions of the electrocardiograph. P60
    • A. 

      Input

    • B. 

      Signal processing

    • C. 

      Output display

    • D. 

      All of the above

  • 18. 
    The normal QRS complex duration measurement is P42
    • A. 

      0.12 to 0.2 seconds

    • B. 

      Greater than 0.12 second

    • C. 

      0.06 to 0.10 seconds

    • D. 

      None of the above

  • 19. 
    After recognizing artifact on the ECG tracing, you notice that the patient is oily and the electrodes will not stay on the chest during the monitoring. What should you do next? P93
    • A. 

      Clean the skin with alcohol and gauze or an alcohol prep pad

    • B. 

      Clean the skin, apply benzoin, or spray deodorant before applying electrodes

    • C. 

      Reapply electrodes without any cleaning

    • D. 

      None of the above

  • 20. 
    The ST segment represents. P41
    • A. 

      Atrial comtraction

    • B. 

      Ventricular contraction

    • C. 

      Time between ventricular contraction and beginning of relaxation

    • D. 

      Time between atrial contraction and beginning of relaxation

  • 21. 
    The purpose of ambulatory monitoring is to document the electrical activity in the heart and identify any abnormal heart behaviors when P217
    • A. 

      Performing a treadmill exercise test in the doctor's office

    • B. 

      The patient is lying on a bed or observation table

    • C. 

      The patient assumes normal activities of living

    • D. 

      None of the above

  • 22. 
    As you are conducting a 12-lead ECG, a red line appears at the bottom of your ECG graph paper. What does this mean?
    • A. 

      You have placed an electrode in the wrong position

    • B. 

      The ECG paper is running low and needs to be replaced soon

    • C. 

      The patient has moved during the ECG procedure and an invalid recording has occurred

    • D. 

      Nothing. This is what occurs with each 12 lead ECG tracing

  • 23. 
    Identify the health conditions that prevents patients from participating in exercise electrocardography: P193
    • A. 

      Heart aneurysm 心脏动脉瘤

    • B. 

      Uncontrolled disturbance of the heartbeat 失控的心跳紊乱

    • C. 

      Unstable angina 不稳定型心绞痛

    • D. 

      All of the above

    • E. 

      Inflammation surrounding the heart or heart muscle

    • F. 

      Severe anemia严重贫血

    • G. 

      Uncontrolled hypertension

    • H. 

      Congestive heart failure充血性心力衰竭

  • 24. 
    Asystole or a flat line occurs on the ECG tracing but your patient is talking to you after the procedure. What is the potential problem with the ECG setup? P96
    • A. 

      Electrodes are dried out without any gel

    • B. 

      A lead wire is loose

    • C. 

      A lead wire has been switched

    • D. 

      Any of the above

  • 25. 
    Your patient asks questions about the reason for his ECG after you explain the procedure to him. Your next step would be to
    • A. 

      Repeat the instructions and clarify his concerns

    • B. 

      Perform the procedure any away

    • C. 

      Ask someone else to answer his questions

    • D. 

      Ask the doctor to explain the procedure