Which of the following is characteristic of veins but not arteries? A. Large mus

Question

Which of the following is characteristic of veins but not arteries? A. Large muscular tunic B. Elastic membranes C. Larger internal diameter D. Vasa Vasorum Which of the following is NOT an important source of resistance to the blood flow? A. Vessel length B. Vessel diameter C. Blood viscosity D. Total blood volume Which of the following will not result in an increase in arteriolar blood pressure? A. increasing stroke volume B. increasing heart rate C. rising blood volume D. falling blood volume Which of the following vessels mainly functions in permitting the exchange of nutrients and gases between the blood and tissue cells? A. Capillaries B. Arteries C. Veins D. Arterioles Which of the following docs not describe the activity of aldosterone hormone? A. It promotes an increase in blood pressure. B. It promotes an increase in sodium reabsorption from the kidney to the blood. C. It will reduce urine output. D. It will result in higher sodium levels in t

Explanation / Answer

23. C. Large internal diameter

24. B. Vessel diameter

25. A. Stroke volume

26. A. Capilaries

27. A. It promoters an increase in blood pressure

28.C. Blood vessels

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