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2012-09-25 17:52:01
Chapter 19 Blood Vessels

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  1. Blood flows directly from __________into the capillary beds.
  2. The layer that has a direct role in vasocontriction
    tunica media
  3. The vessels that exhibit the lowest level of permeability are the :
    continous capillaries
  4. When do the capillary beds surrounding the gastrointestinal organ be open?
    During a meal
  5. Baroreceptos are effective in long-term regulation of blood pressure.
  6. Which of the following is true when comparing arteries and veins?
    Arteries carry blood away from the heart; veins carry blood to the heart.
  7. Blood flow would increase by:
    increasing cardiac ouput.
  8. systolic pressure
    peak of aortic pressure
  9. diastolic pressure
    lowest level of aortic pressure
  10. Pulse pressure
    The difference between systolic and diastolic pressure
  11. Mean Arterial pressure (MAP)
    Pressure the propels blood to the tissue.
  12. Which of the following acts on the kidneys to raise the blood pressure?
    Antidiuretic hormone
  13. Hypertention id defined physiology as a condition of sustained arterial pressure of ________ or higher.
  14. If the net infeltration pressure NFP is positive, then fluids is reabsorved into the blood. 
  15. Which of the following would experience increased blood flow during excercise?
  16. Fluids would be likely to leave or filter out of the capillary if:
    net hydrostatic pressure (HP) is greater than osmotic pressure
  17. Cardiogenic shock is most likely a result from
    multiple heart attacks
  18. Blood flows from the lung to the______via the ________.
    lefy atrium;pulmonary veins
  19. Blood from the vein is returned to the heart via the:
    superior vena cava
  20. The heptic portal system collects blood from the _____ and routes it to the _______.
    GI tract; liver
  21. Nitric oxcide
    Metabolic control of blood flow
  22. Stretch of vascular smooth muscle
    Myogenic control of blood flow
  23. Sympathetic impulses
    Nervous system control of blood flow
  24. Angiotensin II
    Hormonal control of blood flow
  25. During pulmonary circulation blood leaves the:
    Right ventricle and move to the lungs
  26. During systematic circulation blood leaves the :
    left ventricle and goes directly to the aorta.
  27. The edothelium is composed of :
    simple squamos epithelium 
  28. The inferior vena cava brings blood from the lower regions of the body and empties to the:
    Right Atrium
  29. Which is correct sequence of layers in the vessel wall from the outside to inside?
    Tunica externa, tunica media, tunica interna
  30. The major long-term mechanism of blood pressure control is provided by the: 
  31. Exchage of gases and nutrients occurs  by duffusion between the:
    capillaries and tissue cell
  32. Any condition in which blood vessels are inadequately filled and blood cannot circulate normally is called:
    circulatory shock
  33. Reduction in lumen diameter of blood vesels as smooth muscle contracts is known as:
  34. The only vessels that provide direct acces to nearby very  cell in the bosy are the:
  35. Which of the following regulate blood flow at the entrance to each true capillary?
    Precapillary Sphincter
  36. Loss of vasomotor tone resulting in ahuge drop in  peripheal resistance is known as:
    vascular shock
  37. Which of the following arteries branches to form the common hepatic artery, left gastric artery, and splenic artery?
    Celiac Trunk
  38. Which of the following veins is the longest in the body?
    Great saphenous vein
  39. Which of the layers of an artery wall is regulated by the sympathetic nervous system and many hormnes?
    Middle layer
  40. Which of the following type of blood vessels have the thickest tunica media of all vessels?
    ditributing arteries
  41. _______can compete with plasminogen but cannot dissolve clots and may contribute to the formation of atherosclerotic plaques.
  42. The minute to munite blood flow through the capillary beds is determined by the:
    diameter of arterioles
  43. The presence of ________stabalizes the wall capillaries.
  44. All but which of the of the following blood vessels contain intercellular clefts?
  45. The flow of blood from an arteriole to venue is called the: