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ECG/EKG

karahm 15 questions

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Questions in this quiz (15)

  1. 1The action potential propagates as a wave of depolarization through the conduction system myocardium. This wave is the electrical signal that triggers myocardial contraction.
    1. ATrue
    2. BFalse
  2. 2Which of the following is FALSE regarding electrocardiography?
    1. AIt provides information about cardiac size (hypertrophy) and the mean vector (direction) of ventricular or atrial activation (mean electrical axis-MEA)
    2. BIs indicated when the heart rate is too high, too slow, or the rhythm is inappropriately irregular
    3. CA wave of depolarization directed towards the positive electrode of a lead results in a positive deflection on the EKG
    4. DThe normal heart depolarizes from left to right, cranial to caudal, and dorsal to ventral
  3. 3Which of the following are correctly paired? Check all that apply.
    1. AAtrial depolarization- P wave
    2. BAtrial depolarization- QRS complex
    3. CAtrial depolarization- T wave
    4. DVentricular depolarization- QRS complex
    5. EVentricular depolarization- P wave
    6. FVentricular depolarization- T wave
    7. GVentricular repolarization- T wave
    8. HVentricular repolarization- QRS complex
    9. IVentricular repolarization- P wave
  4. 4MEA (mean electrical axis) is the dominant direction of atrial activation.
    1. ATrue
    2. BFalse
  5. 5What is the origin of a narrow QRS?
    1. ASupraventricular
    2. BThe ventricles
    3. CIntraventricular conduction delay
  6. 6Which of the following is FALSE regarding arrhythmias?
    1. ADevelop when the conduction system prevents initiation or propagation of the wave front
    2. BThey are clinically important because they can be responsible for clinical signs including syncope, low cardiac output, and sudden cardiac death
    3. CTachyarrhythmias develop with high vagal tone
    4. DBradyarrhythmias develop when disease of the conduction system slows the rate of depolarization or "blocks" conduction
  7. 7What type of arrhythmia does this image represent? Note: this is on 25 mm/sec paper.Image for question 7
    1. ASinus arrhythmia
    2. BSinus tachycardia
    3. CSinus bradycardia
    4. DSinus arrest
  8. 8What does this image demonstrate? Image for question 8
    1. ASupreventricular Tachycardia (SVT)
    2. BSupraventricular Tachyarrhythmia (SVTA)
    3. CSinus Tachycardia
    4. DAtrial fibrillation
  9. 9What does this image depict? Image for question 9
    1. AAtrial fibrillation
    2. BSupraventricular tachyarrhythmia
    3. CSupraventricular tachycardia
  10. 10What is this? Image for question 10
    1. AVentricular fibrillation
    2. BVentricular tachycardia
    3. CAtrial fibrillation
    4. DSinus arrhythmia

Information

Description
Cardiorespiratory Quiz on ECG/EKG, created by karahm on 02/03/2014.
Author
karahm
Language
English
Views
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