ECG Tracing and Cardiac Cycle Quiz

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Questions and Answers

What is represented on an ECG tracing during asystole?

  • A series of peaks and troughs
  • A flatline (correct)
  • A series of small circles
  • A series of long vertical lines

What does the distance between each peak and trough represent during diastole?

  • The duration of systole
  • The duration of diastole (correct)
  • The amount of blood in the heart
  • The electrical activity of the heart

What does the "QRS complex" represent on an ECG tracing?

  • The contraction of the ventricles (correct)
  • The relaxation of the ventricles
  • The electrical activity of the heart
  • The amount of time between each peak and trough

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