Cardiac Physiology

Practice Questions

AP Biology › Cardiac Physiology

Questions
9
1

After deoxygenated blood enters the heart at the right atrium, what path does it take?

2

Output from the heart can be altered mainly by changing which two variables?

3

Which portion of the heart would you expect to be the largest in a person with systemic high blood pressure?

4

What is the importance of the atrioventricular node's time delay upon receiving impulses from the sinoatrial node?

5

Which of the following structures is NOT part of the cardiac conducting system?

6

The sinoatrial node generates action potentials at a faster pace than normal heart rate. Why does the heart beat more slowly than the SA node would dictate?

7

What is the importance of the atrioventricular node's time delay upon receiving impulses from the sinoatrial node?

8

The sinoatrial node generates action potentials at a faster pace than normal heart rate. Why does the heart beat more slowly than the SA node would dictate?

9

Which of the following structures is NOT part of the cardiac conducting system?

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