Which are characteristics of type O blood?
a: Has anti-A antibodies
b: Has anti-B antibodies
c: Has surface antigen O on its erythrocytes
d: Has surface antigen A on its erythrocytes
e: Has neither surface antigen A nor B on its erythrocytes
A. a, b, c
B. a, b, e
C. b, c, e
D. b, c, d
E. c
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Question 2) Which events occur during the recycling of aged or damaged erythrocytes? (Order is not important.)
a: The heme group is converted into biliverdin.
b: Bilirubin is placed in long-term storage in the liver.
c: The iron ions in hemoglobin are removed.
d: The iron ions are stored in the liver.
e: The iron ions are stored in the red bone marrow.
f: Membrane proteins and globin proteins are broken down and reused.
g: The erythrocyte contents, excluding the globins, are excreted unchanged via the digestive tract.
A. a, b, c, e, f
B. a, c, d, f
C. a, b, c, g
D. c, d, g
E. c, e, g
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Question 3) How many oxygen molecules may bind to a single molecule of hemoglobin?
A. 2
B. 4
C. 6
D. 8
E. 16
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Question 4) How many globins (protein building blocks) are found in a single hemoglobin molecule?
A. 1
B. 2
C. 4
D. 6
E. 8
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Question 5) Macrophage colony-stimulating factor stimulates the production of
A. granulocytes from their progenitors.
B. erythrocytes from myeloid stem cells.
C. megakaryocytes and platelets.
D. monocytes from monoblasts.
E. erythrocyte progenitor cells.
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Question 6) Congenital hemolytic anemia is
A. when destruction of erythrocytes is more rapid than normal.
B. when there is an inherited anemia associated with a defect in iron uptake.
C. caused by a failure of the body to absorb Vitamin B12.
D. characterized by a large number of immature, nucleated cells.
E. characterized by significantly decreased formation of erythrocytes and hemoglobin due to defective red bone marrow.
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Question 7) Most colony-stimulating factors are growth factors.
Indicate whether this statement is true or false.
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Question 8) The carbon dioxide molecules that bind to the hemoglobin molecule are attached to the __________ units.
A. heme
B. globin
C. iron
D. calcium
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Question 9) The process of hemopoiesis starts with hemopoietic stem cells called ________________.
Fill in the blank with correct word.
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Question 10) . Platelets are continually produced in the red bone marrow by cells called _____________.
Fill in the blank with correct word.
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