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Anatomy and Physiology Practice Test: The Cardiovascular System - The Heart
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Anatomy and Physiology Practice Test: The Cardiovascular System - The Heart
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25 Questions

1. Which of the following factors does not influence heart rate?
2. Compared to skeletal muscle, cardiac muscle ________.
3. Tissues damaged by myocardial infarction are replaced by connective tissue.
4. Which of these vessels receives blood during ventricular systole?
5. The left ventricular wall of the heart is thicker than the right wall in order to ________.
6. The source of blood carried to capillaries in the myocardium would be the ________.
7. Normal heart sounds are caused by which of the following events?
8. Blood within the pulmonary veins returns to the ________.
9. If the vagal nerves to the heart were cut, the result would be that ________.
10. If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells ________.
11. The ʺlubʺ sounds of the heart are valuable in diagnosis because they provide information about the function of the heartʹs pulmonary and aortic valves.
12. Hemorrhage with a large loss of blood causes ________.
13. The P wave of a normal electrocardiogram indicates ________.
14. When viewing a dissected heart, it is easy to visually discern the right and left ventricles by ________.
15. The papillary muscles contract after the other ventricular muscles so that they can take up the slack on the chordae tendineae before the full force of ventricular contractions sends blood against the AV valve flaps.
16. The fact that the left ventricle of the heart is thicker than the right ventricle reveals that it ________.
17. Trabeculae carneae are found in the ventricles and never the atria.
18. Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle.
19. Which of the following is not part of the conduction system of the heart?
20. As pressure in the aorta rises due to atherosclerosis, more ventricular pressure is required to open the aortic valve.
21. Which vessel of the heart receives blood during right ventricular systole?
22. The left side of the heart pumps the same volume of blood as the right.
23. Which of the following is not an age-related change affecting the heart?
24. During the period of ventricular filling ________.
25. Arterial blood supply to heart muscle is continuous whether the heart is in systole or diastole.

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