ECG Basics Quiz
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Questions and Answers

What does the P wave of an ECG represent?

  • Atrial systole (correct)
  • Resting potential
  • Ventricular systole
  • Electrical activity of the ventricles

    • What does the QRS complex indicate in an ECG?

  • Ventricular systole (correct)
  • Atrial contraction
  • Electrical resting phase
  • Heart rate variability

    • Which of the following heart rates is considered a slow heartbeat?

  • 76 bpm
  • 65 bpm
  • 70 bpm (correct)
  • 90 bpm

    • Which condition describes an irregular heartbeat?

    <p>Atrial Fibrillation (A)</p> Signup and view all the answers

    In a standard ECG, what does the T wave signify?

    <p>Ventricular systole (D)</p> Signup and view all the answers

    Flashcards

    What is an ECG?

    The electrocardiogram (ECG) is a test that measures the electrical activity of the heart. It records the heart's electrical impulses as waves on a graph.

    What does the P wave represent?

    The P wave represents the electrical activity of the atria as they contract, pushing blood into the ventricles.

    What does the QRS complex represent?

    The QRS complex represents the electrical activity of the ventricles as they contract, pushing blood out of the heart.

    What does the T wave represent?

    The T wave represents the electrical activity of the ventricles as they relax and recharge for the next beat.

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    What is a normal heartbeat?

    A normal heart rate is considered to be 76 beats per minute (bpm). However, this can vary depending on age, fitness, and other factors.

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