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Which of the following is not a phase of erythropoiesis?


A) production of ribosomes
B) production of vacuoles
C) synthesis of hemoglobin
D) ejection of the erythrocyteʹs nucleus

E) B) and D)
F) None of the above

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  Figure 18.2 Use the diagram above to answer the following questions. -Identify the letter that indicates the fraction of leukocytes that represents neutrophils. A)  A B)  B C)  C D)  D E)  E Figure 18.2 Use the diagram above to answer the following questions. -Identify the letter that indicates the fraction of leukocytes that represents neutrophils.


A) A
B) B
C) C
D) D
E) E

F) A) and D)
G) A) and C)

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Which of the following cells develop into macrophages?


A) monocytes
B) lymphocytes
C) basophils
D) neutrophils

E) C) and D)
F) None of the above

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Parent cell that transforms into a macrophage.


A) lymphocyte
B) neutrophil
C) eosinophil
D) basophil
E) monocyte

F) B) and D)
G) None of the above

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Define polycythemia, and describe a clinical blood test that would help in making this diagnosis.

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Polycythemia is an abnormal excess of re...

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In adults, blood cells are manufactured in the marrow of all of the following bones except the


A) pelvis.
B) clavicle.
C) sternum.
D) forearm bones (radius and ulna) .

E) B) and D)
F) A) and B)

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Young erythrocyte.


A) myeloid
B) eosinophil
C) reticulocyte
D) lymphoid
E) lymphocyte

F) A) and B)
G) C) and D)

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  Figure 18.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the formed element of the blood that is packed with molecules of hemoglobin. A)  A B)  B C)  C D)  D E)  E Figure 18.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the formed element of the blood that is packed with molecules of hemoglobin.


A) A
B) B
C) C
D) D
E) E

F) B) and D)
G) A) and B)

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The formed element that is flattened, circular, lacks a nucleus, lacks mitochondria or ribosomes, and is red because of the presence of hemoglobin is


A) an erythrocyte.
B) a basophil.
C) a lymphocyte.
D) an eosinophil.

E) A) and C)
F) All of the above

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Diapedesis is


A) amoeboid motion.
B) the process by which eosinophils attack worms.
C) the exit of leukocytes from capillaries.
D) the ingestion of bacteria by macrophages.

E) A) and D)
F) B) and D)

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Blood serum is plasma from which albumin has been removed.

A) True
B) False

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In the differentiating cell line that leads to neutrophils, which of the following events occurs?


A) Metamyelocytes become myeloblasts.
B) The nucleus assumes a band shape.
C) The cells temporarily have the specific granules of eosinophils.
D) Hemoglobin accumulates in the cytoplasm.

E) A) and B)
F) A) and C)

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The is the fraction of blood made up of leukocytes.

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What is the difference between a thrombus and an embolus?


A) One occurs in the bloodstream, whereas the other occurs outside the bloodstream.
B) A thrombus must travel to become an embolus.
C) One is a blood clot, whereas the other is a parasitic worm.
D) One occurs in arteries, the other in veins.

E) A) and D)
F) None of the above

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Leukocytes, ordered from most to least abundant, are the


A) basophils, eosinophils, lymphocytes, monocytes, and neutrophils.
B) basophils, eosinophils, monocytes, lymphocytes, and neutrophils.
C) neutrophils, monocytes, eosinophils, basophils, and lymphocytes.
D) neutrophils, lymphocytes, monocytes, eosinophils, and basophils.

E) None of the above
F) All of the above

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If examination of the blood reveals a large number of immature leukocytes, the individual is probably suffering from


A) sickle cell disease.
B) thrombocytopenia.
C) anemia.
D) leukemia.

E) All of the above
F) None of the above

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Which of the following precursors of erythrocytes are in their proper order, from least to most differentiated?


A) proerythroblast, normocyte, reticulocyte
B) reticulocyte, normocyte, erythroblast
C) normocyte, proerythroblast, erythrocyte
D) erythroblast, reticulocyte, normocyte

E) All of the above
F) A) and B)

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The blood cell whose nucleus often resembles a telephone receiver is the


A) erythrocyte.
B) lymphocyte.
C) eosinophil.
D) basophil.

E) None of the above
F) B) and C)

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Together, leukocytes and platelets constitute roughly which percentage of whole blood volume?


A) 1%
B) 45%
C) 10%
D) 55%

E) C) and D)
F) A) and D)

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  Figure 18.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the most abundant class of leukocyte. A)  A B)  B C)  C D)  D E)  E Figure 18.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the most abundant class of leukocyte.


A) A
B) B
C) C
D) D
E) E

F) A) and B)
G) None of the above

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