6. Identify the different anatomical locations where hematopoiesis occurs in embryonic,
fetal, and adult life.
The yolk sac and the liver produce blood cells in the embryo and early fetus through
the first three months of gestation. The fetal spleen takes over this function from the
third to the seventh months. Once developed, the bone marrow is the site of
hematopoiesis from the fourth month of gestation throughout the remainder of fetal
development and into adulthood.
7. Which of the following pairs is mismatched?
a) lymphocytes: innate immune response
b) natural killer cell: kills virus-infected cells
c) macrophage: phagocytosis and killing of microorganisms
d) erythrocyte: oxygen transport
e) eosinophil: defense against parasites
8. A term generally used to describe all white blood cells is:
a) hematopoietic cells
b) myeloid progenitor
c) dendritic cells
9. Examples of granulocytes include all of the following except:
e) All of the above are examples of granulocytes.
10. The most abundant type of leukocyte in human peripheral blood is:
11. Which of the following statements are correct?
a) Macrophages are granulocytes.
b) Macrophages derive from monocytes.
c) Macrophages are non-phagocytic.
d) Macrophages reside in the tissues.
e) All of the above statements are false.