Question 1
The QRS complex of an ECG represents
◦ the progressive wave of ventricular depolarization.
◦ repolarization of the ventricles.
◦ depolarization of the atria.
◦ repolarization of the atria.
◦ None of the answers are correct.
Question 2
A heart rate of 125 beats per minute could be correctly termed
◦ bradycardia.
◦ fibrillation.
◦ a normal resting heart rate.
◦ an arrhythmia.
◦ tachycardia.