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Multiple Choice Quiz
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Choose the best answer.

1
Blood has all of the following functions except
A)nutrient transport.
B)temperature regulation.
C)clotting.
D)vitamin D production.
E)pH buffering.
2
Early in human development, the first blood cell precursors form in
A)the yolk sac.
B)the spleen.
C)the bone marrow.
D)the heart.
3
A deficiency of circulating leukocytes is called
A)leukocytosis.
B)leukemia.
C)polycythemia.
D)leukopenia.
4
Antibodies belong to a class of plasma proteins called
A)albumin.
B)fibrinogens.
C)β globulins.
D)γ globulins.
E)hormones.
5
Which of the following is not a component of hemostasis?
A)platelet plug formation
B)vasodilation
C)secretion of serotonin
D)conversion of fibrinogen to fibrin
E)secretion of platelet-derived growth factor
6
Any form of anemia that results from an excessive rate of erythrocyte destruction is classified as
A)hypoplastic anemia.
B)hemorrhagic anemia.
C)hemolytic anemia.
D)pernicious anemia.
7
Which of the following is a characteristic of mature red blood cells?
A)They undergo mitosis.
B)They lack a nucleus.
C)They have numerous mitochondria.
D)They carry most of the carbon dioxide that is transported in the blood.
8
Which cell is not phagocytic?
A)eosinophil
B)macrophage
C)lymphocyte
D)neutrophil
9
What is a function of eosinophils?
A)They produce histamine in response to inflammation.
B)They produce heparin.
C)They destroy body cells infected with viruses.
D)They phagocytize antigen-antibody complexes.
E)They produce antibodies.
10
Hemophilia is a hereditary hemoglobin defect that results in abnormally —shaped cells and leads to anemia.
A)True
B)False
11
Myeloblasts develop into macrophages.
A)True
B)False
12
What would be an indication that an individual is suffering from leukemia?
A)Examination of the blood reveals a large number of immature erythrocytes.
B)Examination of the blood reveals a large number of immature leukocytes.
C)The hematocrit is greater than 50.
D)The person has polycythemia.
13
Megakaryocytes aggregate to plug tears in blood vessels.
A)True
B)False
14
Leukopoiesis is the process in which white blood cells attack foreign cells.
A)True
B)False
15
The least abundant leukocytes in normal circulating blood are eosinophils.
A)True
B)False
16
Low oxygen supply, such as one encounters at high altitude, may result in which of the following conditions?
A)mononucleosis
B)polycythemia
C)leukopenia
D)leukocytosis
E)hemolytic anemia
17
Serotonin is a substance that dissolves a clot when it is no longer needed.
A)True
B)False
18
Lymphocytes are the most abundant type of white blood cell.
A)True
B)False
19
White blood cells that secrete histamine are neutrophils.
A)True
B)False
20
Erythropoietin is a pigment that gives red color to erythrocytes.
A)True
B)False
21
Hemopoiesis is the name for production of formed elements of the blood.
A)True
B)False
22
When macrophages are found in the sinusoids of the liver they are called Kupffer cells.
A)True
B)False







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