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Lab 2: Cardiovascular And Circulatory Systems

60 Questions
Lab 2: Cardiovascular And Circulatory Systems
Questions and Answers
  • 1. 
    Contain venous blood(deoxygenated) that returns from the body to the heart.
  • 2. 
    Strong elastic vessels that carry blood away from the heart(oxygenated).
  • 3. 
    Simple squamous epithelial tissue and a thin layer of alveolar connective tissue.
  • 4. 
    Innermost layer of arteries made up of simple squamous epithelial tissue and a thin layer of connective tissue that helps to prevent blood clots and regulates blood flow.
  • 5. 
    The middle layer of arteries where cells secrete prostacyclin to prevent blood clots and is exceedingly smooth.
  • 6. 
    The outer layer of arteries, aka adventitia, which is a thin layer containing connective tissue with elastic and collagenous fibers.
  • 7. 
    Involuntary muscle found in organs that myst contract fluid.(ex.stomach)
  • 8. 
    Smaller blood vessels which are a single layer of endothelium and extensions of arterioles.
  • 9. 
    An artery that can stretch and return to normal shape after distortion. (ex. those that branch off of the aorta of the heart.)
  • 10. 
    Arteries that contain smooth muscles.
  • 11. 
    Smaller branches of arteries.
  • 12. 
    Smaller branches of veins.
  • 13. 
    A capillary that has multiple openings.
  • 14. 
    Membranous folds in a canal or passage that prevents backflow of material passing through it.
  • 15. 
    The period of contraction of the heart, especially in the ventricles during which blood is forced into the aorta and pulmonary artery.
  • 16. 
    The phase of the cardiac cycle in which the heart relaxes between contractions, specifically, the period when the two ventricles are dilated by blood flowing through them.
  • 17. 
    Constriction of vessels.
  • 18. 
    relaxation of vessels.
  • 19. 
    Where to arteries carry blood in relation to the heart?
  • 20. 
    Why is it important for the Tunica interna to be smooth?
    • A. 

      So blood doesn't clot

    • B. 

      Decreases resistance to blood flow

    • C. 

      All of the above

  • 21. 
    What part of the nervous system controls the Tunica media
  • 22. 
    What is the function of the Tunica media?
    • A. 

      Give the artery strength and flexibility

    • B. 

      Regulates the diameter of the blood vessels

    • C. 

      All of the above

  • 23. 
    What is the function of the Tunica externa?
    • A. 

      Attaches artery to surrounding tissue

    • B. 

      Support and protection

    • C. 

      Prevents clotting

    • D. 

      Both a and b are correct

    • E. 

      Both b and c are correct

  • 24. 
    Where to veins carry blood?
  • 25. 
    Veins have similar to arteries with the major difference in the _________________ which is much thinner than arteries.
  • 26. 
    What is the special structure veins have that arteries do not?
  • 27. 
    What do valves prevent?
  • 28. 
    Capillaries are composed of a ________ layer of endothelium.
  • 29. 
    What is the function of the capillary?
    • A. 

      It directs blood to the heart.

    • B. 

      It is a semipermeable membrane allowing for exchange of CO2 and O2 exchange.

    • C. 

      It prevents blood clotting

  • 30. 
    What is another term for red blood cells?
  • 31. 
    The function of erythrocytes are to carry oxygen.
    • A. 

      True

    • B. 

      False

  • 32. 
    What is special about the structure of red blood cells?They are_________.
  • 33. 
    How does the concavity of RBC's relate to function?
    • A. 

      It makes them smaller

    • B. 

      It makes them larger

    • C. 

      It increases surface area for oxygen attachement

  • 34. 
    What is the name of the structure labeled A?
  • 35. 
    What is the name of the structure labeled B?
  • 36. 
    What is the name of the structures labeled C?
  • 37. 
    What are the structures labeled D?
  • 38. 
    What are the structures labeled E?
  • 39. 
      What are the structures labled F?
  • 40. 
    What is the structure on the left?
  • 41. 
    What is the structure on the right?
  • 42. 
    What are these structures?
  • 43. 
    What structure does the green arrow indicate?
  • 44. 
    What are the pink arrows pointing to?
  • 45. 
    What is the name for the out of place cell pictured here?
  • 46. 
    What is 1 pointing to?
  • 47. 
    What is the structure for A?
  • 48. 
    What is the structure for B?
  • 49. 
    What is the structure for C?
  • 50. 
    What is the structure for D?
  • 51. 
    What is the structure for E?
  • 52. 
    What is A?
  • 53. 
    What is B?
  • 54. 
    What is C?
  • 55. 
    What is D?
  • 56. 
    What is E?
  • 57. 
    Ther term for pressure in the arteries at peak ventricular ejection
  • 58. 
    The term for the pressure in th arteries at ventricular relaxation.
  • 59. 
    The name of the instrument used to find blood pressure through an ausculatory method.
  • 60. 
    Which artery do we place the cuff over?
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