Electrophysiology – Pretest

1. In the polarized state, the net charge in the extracellular matrix is _________ when compared with the intracellular matrix.

2. When the electrical cells of the heart undergo depolarization, the ________ions in the extracellular matrix move inside the cell.

3. The repolarized state is the state in which the extracellular matrix is returning to a _________ net charge.

4. The parts of the heart’s electrical system include:

5. Arrange the following components of the conduction system of the heart in order, beginning with the first impulse.

6. Match the inherent heart rates of the following conduction areas in column A with the corresponding rates in Column B by dragging the answers to the correct column.