human physiology study questions 24

human physiology study questions 24 - despite changes in...

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27:130 Lecture 24 Study Questions 1. At any given time, the majority of the blood is located in the veins. Is this statement true or false and why would it be considered true or false? A. True, because the veins have the greatest cross sectional area. B. True, because the veins have the most compliant vessel wall. C. True, because the high blood pressure in the veins increases the amount of blood flowing through them. D. False, most of the blood is located in the arteries because they are the most compliant. E. False, most of the blood is located in the capillaries because they have the greatest cross sectional area. 2. _________ alters blood flow to meet the metabolic needs of the tissue or organ, while _________ is a mechanism to maintain a constant blood flow
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Unformatted text preview: despite changes in blood pressure? A. Flow autoregulation, reactive hyperemia B. Reactive hyperemia, active hyperemia C. Active hyperemia, compliance D. Compliance, flow autoregulation E. Active hyperemia, flow autoregulation F. Reactive hyperemia, compliance 3. Which of the following factors would increase the movement of fluid out of the capillaries and into the interstitial fluid? A. An increase in the capillary hydrostatic pressure. B. An increase in the interstitial fluid hydrostatic pressure. C. A decrease in the plasma protein concentration. D. An increase in the interstitial fluid protein concentration. E. A and C are both correct. F. B and D are both correct. G. A, C, and D are all correct. Answers: 1) B; 2) E; 3) G...
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