Chapter 19, Problem 19.7a
Anemia is defined as:
a. a decreased oxygen-carrying capacity of the blood.
b. a decreased iron content of the blood.
c. decreased bone marrow function.
d. abnormalities in hemoglobin.
Video transcript
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. Hemoglobin consists of two polypeptide chains bound to a heme group.
Erythropoiesis requires stimulation from the hormone:
a. thrombin.
b. thrombopoietin.
c. thymosin.
d. erythropoietin.
Fill in the blanks: Erythrocytes are derived from stem cells called____ , circulate in the blood for approximately _______days, and are destroyed by an organ called the ______ .
Leukocytes are:
a. nucleated cells that function in blood clotting.
b. nucleated cells that function in immunity.
c. anucleate cells that function in blood clotting.
d. anucleate cells that function in immunity.
Match the following leukocytes with the correct definition.
____Basophil
____B lymphocyte
____Neutrophil
____Monocyte
____T lymphocyte
____Eosinophil
a. Destroys bacteria; directly phagocytoses bacteria
b. Responds to parasitic worm infection and mediates the allergic response
c. Activates all parts of the immune response; directly kills cancer or virally infected cells
d. Secretes inflammatory mediators
e. Agranulocyte that matures into macrophage
f. Agranulocyte that secretes antibodies