Question 1
The P wave represents
◦ atrial depolarization.
◦ atrial repolarization.
◦ ventricular depolarization.
◦ ventricular repolarization.
Question 2
The QRS complex represents
◦ atrial depolarization.
◦ atrial repolarization.
◦ ventricular depolarization.
◦ ventricular repolarization.