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NCCT ECG PRACTICE TEST

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NCCT ECG PRACTICE TEST Cardiology and ECG Questions 1. What would be considered a cardinal feature of sinus rhythm? ️ The P wave should always be upright in leads 1 and 2. 2. What is a small wave (similar to the P wave) that sometimes appears after the T wave, and is thought to repres...

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  • August 14, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ncct ecg practice test

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NCCT ECG PRACTICE TEST
Cardiology and ECG Questions



1. What would be considered a cardinal feature of sinus rhythm?

✔️ The P wave should always be upright in leads 1 and 2.



2. What is a small wave (similar to the P wave) that sometimes appears after the T wave, and is thought
to represent late repolarization of the Purkinje fibers in the ventricles?

✔️ U wave



3. A disturbance of SA nodal function that results in a markedly variable rhythm is known as:

✔️ Sick sinus rhythm.



4. What term best describes a cardiac condition that demonstrates a sinus rate of 250 to 350 beats per
minute?

✔️ Atrial fibrillation.



5. Which wave represents ventricle depolarization?

✔️ T wave.



6. Which of these ECG findings indicates a pulse greater than 100 beats per minute with at least three
irregular beats in a row?

✔️ Ventricular tachycardia.



7. The P wave is indicative of:

✔️ Atrial depolarization.



8. What best describes this rhythm strip?

✔️ Premature atrial contraction with PVCs.

, 9. What best describes this rhythm strip?

✔️ Trigeminy PVCs.



10. What best describes this rhythm strip?

✔️ Sinus bradycardia.



11. What best describes this rhythm strip?

✔️ Isolated PVC.



12. Diastole:

✔️ Occurs when the ventricle relaxes, and the blood flows into the atrium from the vena cava and
pulmonary veins.



13. What is the LEAST likely to cause under-sensing in the ECG?

✔️ Exposure to interference.



14. Drug therapy, hyperkalemia, Twiddler's syndrome, and battery depletion can all be occasional
causes of ECG ________.

✔️ Over-sensing.



15. The membranous sac filled with serous fluid that encloses the heart and the roots of the aorta and
other large blood vessels is known as the:

✔️ Pericardium.



16. The abbreviation AF is most commonly used for:

✔️ Atrial fibrillation.



17. Fibrillation:

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