03_06_09 Questions

03_06_09 Questions - c. Decreased sympathetic stimulation...

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BME 106-004 1) Blood flow through the veins can be changed by changing the radius of the blood vessels, but what influences the size of the blood vessels? (two answers) a. Amount of fibrin in the blood b. the ANS c. metabolic activity d. pH of the blood 2) Which of the following causes vasoconstriction? a. High oxygen content of the blood b. Low carbon dioxide content of the blood c. increased sympathetic stimulation d. all of the above 3) Which of the following causes vasodilation? a. High oxygen content of the blood b. Low carbon dioxide content of the blood
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Unformatted text preview: c. Decreased sympathetic stimulation d. all of the above 4) True or False : the body has to expend energy for both passive inspiration and passive expiration? 5) Which of the following are purposes of the pleural sac? (two answers) a. Prevent blood from leaking into the chest cavity b. Reduce friction caused by the expansion and contraction of the lungs c. Allows consistent pumping of blood throughout the body d. Help the alveoli to expand...
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