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Physiology Practice Test: The Cardiovascular System - Blood Vessels, Blood Flow, and Blood Pressure
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Related Test: Physiology Practice Test: The Cardiovascular System - Cardiac Function

Physiology Practice Test: The Cardiovascular System - Blood Vessels, Blood Flow, and Blood Pressure
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25 Questions

1. Which of the following is NOT a mechanism that enables molecules to move across capillary endothelial cells?
2. Information about mean arterial pressure is integrated within what area of the central nervous system?
3. Arteriolar smooth muscle in what tissue tends to have beta2 receptors?
4. The long-term regulation of arterial blood pressure involves ________.
5. Which of the following correctly describes sympathetic control of blood vessels in the skin during thermoregulation?
6. Increases in angiotensin II levels in the blood will elevate total peripheral resistance.
7. Which of the following structures contains high pressure baroreceptors?
8. Given that the net filtration of fluid out of the capillaries averages about 3 liters per day, how is blood volume maintained in light of this apparent fluid loss?
9. In response to a decrease in tissue metabolic activity, tissue oxygen concentrations ________, which causes a(n) ________.
10. The total cross-sectional area is greatest in which blood vessels?
11. An increase in sympathetic nervous activity to arterioles will have little effect on the vasculature of the ________.
12. Which of the following is an inaccurate description of autonomic innervation of the cardiovascular system?
13. Foreign materials are filtered out of the lymphatic fluid by what type of cell located within the lymph nodes?
14. Which of the following describes rhythmic changes in sympathetic and parasympathetic activity that affect heart rate coincident with respiration?
15. What region of the cardiovascular system contains valves?
16. Which of the following would increase blood flow through a capillary bed?
17. Histamine induces vasodilation by stimulating the synthesis of nitric oxide.
18. The contractile activity of smooth muscle cells within which type of blood vessel is primarily involved in the control of the organ blood flow and mean arterial pressure?
19. Flow through the pulmonary circuit is less than that through the systemic circuit due to a smaller pressure gradient.
20. In comparison to the systemic circuit, the pulmonary circuit ________.
21. Exchange between blood and interstitial fluid occurs across capillaries and, to a lesser extent, ________.
22. Arteries have ________ compliance and ________ resistance.
23. Which of the following substances is secreted by endothelial cells and causes vasoconstriction?
24. Intrinsic changes in arteriole radius have no effect on arterial blood pressure.
25. An increase in venous pressure can cause edema.

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