Biomed 107 Practice Quiz
Chapter 20, Spring 2007
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  1. The chemical compound hemoglobin gives _?_ their ability to transport oxygen.
    1. erythrocytes
      2.
    2. thrombocytes
    3. granular leukocytes (granulocytes)
    4. agranular leukocytes (agranulocytes)

  2. The three types of granulocytes, named according to how their granules stain, are...
    1. lymphocytes, basophils, and eosinophils
    2. monocytes, lymphocytes, and neutrophils
    3. neutrophils, eosinophils, and basophils
      4.
    4. eosinophils, erythrocytes, and neutrophils

  3. Which of the following is not true of neutrophils?
    1. They are normally the most numerous type of leukocyte in the blood.
    2. They have the capacity to kill bacteria by phagocytosis and other means.
    3. They may leave the blood to phagocytize pathogens in tissue spaces.
    4. They typically remain in circulation for approximately 120 days.
      5.

  4. _?_ are agranulocytes that leave the circulation after a few days to become _?_.
    1. B cells / T cells.
    2. Monocytes / macrophages.
      3.
    3. Macrophages / monocytes.
    4. Macrophages / platelets.
    5. Lymphocytes / macrophages.

  5. What formed elements of blood can arise, directly or indirectly, from hemocytoblasts?
    1. erythrocytes
    2. thrombocytes
    3. granular leukocytes (granulocytes)
    4. agranular leukocytes (agranulocytes)
    5. all of the above
      6.

Additional Question (see text or notes for answer): In an adult, where are myeloid stem cells normally located? What is the function of myeloid stem cells?