Human Anatomy & Physiology: All About Blood 2

39 Questions | Total Attempts: 100

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Human Anatomy & Physiology: All About Blood 2

I created this quiz to help me study for my A&P exam. This quiz deals with red blood cells.


Questions and Answers
  • 1. 
    Red blood cells are also known as what?
    • A. 

      Thrombocytes

    • B. 

      Leukocytes

    • C. 

      Monocytes

    • D. 

      Erythrocytes

    • E. 

      Lymphocytes

  • 2. 
    The shape of red blood cells plays a very important role in their function. The centers are _____ than the edges which makes them look like ___________.
  • 3. 
    The ______ the surface area of a red blood cell, the faster gasses can diffuse.
  • 4. 
    _________ allows red blood cells to form stacks like dinner plates which allows them to pass through a vessel not much larger than the diameter of the red blood cell.
    • A. 

      Deformability

    • B. 

      Osmosis

    • C. 

      Diffusion

    • D. 

      Rouleaux

  • 5. 
    Red blood cells are quite elastic and flexible which enables them to bend and flex when entering small capillaries. This is known as what?
    • A. 

      Rouleaux

    • B. 

      Osmosis

    • C. 

      Deformability

    • D. 

      Diffusion

    • E. 

      Morphing

  • 6. 
    The average size of a red blood cell is about _____ micrometers in diameter.
    • A. 

      7.5

    • B. 

      8

    • C. 

      6

    • D. 

      8.5

    • E. 

      5

  • 7. 
    Each red blood cell is about ____ hemoglobin by volume.
    • A. 

      2/3

    • B. 

      1/2

    • C. 

      1/4

    • D. 

      1/8

    • E. 

      1/3

  • 8. 
    The normal values of hemoglobin in an adult female are ______ gm per 100 ml of whole blood.
    • A. 

      14-18

    • B. 

      12-16

    • C. 

      10-14

    • D. 

      16-20

    • E. 

      18-24

  • 9. 
    The normal values of hemoglobin in an adult male are _____ gm per 100 ml of whole blood.
    • A. 

      14-18

    • B. 

      12-16

    • C. 

      18-22

    • D. 

      10-14

    • E. 

      16-20

  • 10. 
    Red blood cell counts equal the number of cells per cubic millimeter of bloods the normal values (average) for an adult female are ________ million cells per cubic millimeter.
    • A. 

      4.8-6.2

    • B. 

      4.6-6.2

    • C. 

      4.2-5.4

    • D. 

      4.4-5.4

    • E. 

      4.2-6.2

  • 11. 
    Hemoglobin is responsible for the red blood cell's ability to transport ________ and _________.
  • 12. 
    _______ is a compound formed when oxygen combines with hemoglobin which causes the blood to be bright red in color.
  • 13. 
    _______ is the iron-containing pigment of red blood cells responsible for the color of blood.
  • 14. 
    ________ refers to hemoglobin that has released its oxygen which gives the blood a bluish appearance.
  • 15. 
    __________ is the result of an increase in the concentration of deoxyhemoglobin which causes a bluish discoloration of the skin and mucous membranes.
  • 16. 
    A mature red blood cell lacks a ________.
  • 17. 
    Mature red blood cells depend only on _______ to meet their energy needs.
    • A. 

      Protein Synthesis

    • B. 

      ATP

    • C. 

      Diffusion

    • D. 

      Glycolysis

    • E. 

      Osmosis

  • 18. 
    A single round trip from the heart, through the peripheral tissues and back to the heart usually takes less than a minute. With all this wear and tear and no repair mechanisms the average circulating life span of a red blood cell is about ______ days.
    • A. 

      60

    • B. 

      30

    • C. 

      90

    • D. 

      45

    • E. 

      120

  • 19. 
    Macrophages in the ______ and the _______ phagocytize and destroy damaged red blood cells.
  • 20. 
    What two subunits are hemoglobin molecules that have been liberated from destroyed red blood cells break down into?
  • 21. 
    Heme is further broken down into _______ and ________.
  • 22. 
    When heme breaks down, the iron is released into the blood and is bound with a plasma protein called _________. It is then transferred to the bone marrow where it is recycled over and over again to produce more hemoglobin.
    • A. 

      Ferritin

    • B. 

      Bilirubin

    • C. 

      Transferrin

    • D. 

      Amino acids

    • E. 

      Ferrite

  • 23. 
    About 80% of the iron released into the blood is stored in liver cells in the form of an iron-protein complex called ________. This occurs if the iron is not needed immediately for synthesis of new hemoglobin.
    • A. 

      Ferritin

    • B. 

      Bilirubin

    • C. 

      Transferrin

    • D. 

      Bile

    • E. 

      Ferrite

  • 24. 
    ______ is a greenish pigment which will eventually be converted to _______ which is an orange pigment. Both of these pigments are excreted from the liver as __________.
  • 25. 
    Globin is the ________ portion which is then degraded to __________ to be reused or catabolized.
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