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AP2

Quiz  Vascular

  1. The muscular layer of the blood vessels is called what?
    1. Tunica intima
    1. Tunica interna
    1. Tunica adventitia
    1. Tunica media
    1. Tunica externa
  1. Which of the following is false when comparing an artery to a vein?
    1. Arteries are more elastic
    1. Arteries have more smooth muscle
    1. Arteries have pleated endothelium
    1. Arteries hold their shape better upon dissection
    1. Arteries are thinner
  1. Capillaries with an incomplete lining that allows most solutes to enter the interstitial fluid are called what?
    1. Continuous capillaries
    1. Fenestrated capillaries
    1. Sinusoids
    1. Vasa Vasorum
    1. Incomplete capillaries
  1. Nutrients and water can move through the capillary walls by which of the following?
    1. Diffusion and Osmosis
    1. Secretion and absorption
    1. Active transport
    1. All of the above
    1. A and C
  1. Which of the following is NOT a method for movement of blood in the veins?
    1. Higher pressure in the capillaries than the venules
    1. Pumping mechanisms of the vein smooth muscles
    1. Pumping of the skeletal muscles
    1. One way valves in the veins
    1. Aid of the thoracoabdominal pump
  1.   Blood flow to a tissue will increase if which condition exists?
    1. Oxygen levels increase at the tissues
    1. Vessels constrict
    1. Carbon Dioxide levels at the tissues increase
    1. pH of the tissue is 7.4
    1. Both A and B
  1. Which of the following statements best describes an artery?
    1. Blood always travels away from the heart
    1. Blood always travels toward the heart
    1. Blood is always highly oxygenated
    1. Blood is always de-oxygenated
    1. A and D
  1. The first major vessel branching off the Abdominal Aorta is what?
    1. Superior Mesenteric
    1. Inferior Mesenteric
    1. Celiac Trunk
    1. Left Renal
    1. Right Gonadal
  1. What is the special significance of the Hepatic Portal System?
    1. Contains very nutrient rich blood
    1. Takes the blood to the liver for processing of nutrients
    1. Recieves blood from the intestines
    1. All of the above are special
    1. None of the above are special
  1. Angiotensin Converting Enzyme (ACE):
    1. Is a protein made in the spleen
    1. Is released by the kidneys when BP falls
    1. Converts angiotensinogen to angiotensin I
    1. Is an enzyme made in the lungs that forms angiotensin II
    1. None of the above
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