Question 1
What electrical event must occur for atrial contraction to occur?
◦ Atrial repolarization
◦ Ventricular depolarization
◦ Ventricular repolarization
◦ Atrial depolarization
Question 2
The cardiac cell at rest has what kind of electrical charge?
◦ Positive charge
◦ Neutral charge
◦ Negative charge
◦ No charge at all