1. At the end of cardiac depolarization, _______ ions return to the inside of the cell. a. Potassium      c. Sodium b. Calcium           d. Magnesium 2. The resting state of a cardiac cell, wherein...

1. At the end of cardiac depolarization, _______ ions return to the inside of the cell.

a. Potassium      c. Sodium

b. Calcium           d. Magnesium

2. The resting state of a cardiac cell, wherein the inside of the cell is electrically negative relative to the outside of the cell, is called:

a. Active state                   c. Depolarization

b. Polarized state             d. Repolarization