CH22 exam 5

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Shontae
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184376
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CH22 exam 5
Updated:
2012-11-19 05:07:09
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CH22
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CH22exam 5
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  1. What CIRCUIT supplies the lungs with blood?
    pulmonary
  2. What circuit supplies the entire body except for the lungs with blood?
    systemic circuit
  3. What kind of tiisue is ENDOTHELIUM?
    simple squamous`
  4. What is the function of the TUNICA INTIMA?
    reduce friction
  5. What is the function of the TUNICA MEDIA?
    allow vessel to change diameter
  6. What is the function of the ADVENTITIA?
    attach to deep fascia
  7. How is the TUNICA MEDIA in ELASTIC ARTERIES?
    modified to have a lot of elastic fibers for stretching, for large volumes of blood
  8. How is the TUNICA MEDIA in MUSCULAR ARTERIES?
    modified to have a lot of smooth muscle for vasoconstriction
  9. How are the layers of ARTERIOLES?
    • poorly deifined adventitia
    • circular bands of discontinuous¬†media
  10. How are the layers of CAPILLARIES?
    only have tunica intima
  11. How are the layers of VENULES?
    • some lack media
    • thickest layer is adventitia
    • one-way valves
  12. How are the layers of LARGE VEINS?
    • thick adventitia
    • thicker media
    • one-way valves
  13. Complete the sentence:
    Most blood is found in ______, making them the _____ ____ of the body.
    veins, blood resivoir
  14. Describe the DISTRIBUTION of vessels on the L and R sides of the body.
    identical, except @ <3
  15. What is the function of ANASTOMOTIC CONNECTIONS?
    reduce impact of blockage of single vessel
  16. How does blood get to the BRAIN?
    by the internal carotid arteries and vertebral arteries
  17. Where do the INTERNAL CAROTIDS pass through?
    carotid canals and attach to circle of willis
  18. How do the VERTEBRAL ARTERIES form the BASILAR ARTERY?
    • pass through transverse foramina
    • through foramen magnum
  19. Describe BLOOD MOVEMENT through the VEINS.
    • one-way valves
    • constriction /relaxation of smoth muscle
    • skeletal muscle pump
    • respiratory pump
    • cardiac suction
  20. Where is blood FILTERED before it goes out to the body?
    the liver
  21. How is blood FILTERED?
    • gastric, mesenteric, and splenic feed into hepatic portal
    • takes blood to liver
    • gets filtered
    • leaves through hepativ vein
    • to inferior vena cava
  22. What is the function of the FORAMEN OVALE and the DUCTUS ARTERIOSUS?
    to shunt blood away from the lungs
  23. What does the FORAMEN OVALE become when it closes after birth?
    the fossa avalis
  24. What does the  DUCTUS ARTERIOSUS become after birth?
    ligamentum artiosum
  25. What is the function of the DUCTUS VENOSUS?
    shunt blood away from liver.
  26. When is the supply of the DUCTUS VENOSUS cut off?
    when imbilical vessels become the round ligament between the liver lobes

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