Hematology in Practice - Chapter 9
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| Lymphocyte concentrations in peripheral blood are greatest during what age interval? | Young Child (1 to 4 years) or immediately after birth (look at table 9.3)
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| The "marginating pool" of neutrophils is located: | On the blood vessel walls
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| The CBC results for a 3-month-old child are as follows: WBC 9.5 x 10^9/L Differential RBC 3.4 x 10^12/L Segmented neutrophils 25% Hgb 6.7 g/dL Lymphocytes 75% Hct 25% | The absolute lymphocyte count in this patient would be:
7.1 x 10^9/L
9.5 x .75 = 7.125
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| What CD markers is more appropriately associated with the myelocyte? | CD45, CD33, CD13
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| One of the primary glands responsible for lymphocyte origination in the infant is the: | Thymus gland
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| An adult has a total white count of 4.0 x 10^9/L. The differential count is as follows: Segmented neutrophils 25% Lymphocytes 65% Bands 5% Monocytes 5% | If the normal values for absolute lymphocyte count are 1.2 to 3.4 x 10^9/L, which of the following is true?
There is a relative lymphocytosis.
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| The initial appearance of specific granulation in the granulocytic series is predominantly seen in the: | Myelocyte
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| The amount of time a granulocyte spends in the circulation before migrating into the tissues is normally: | 8 hours and/or 48 hours
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| In automated hematology, what is the definition of the delta check? | Comparison to previous value
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| All of the following are features of the lymphatic system: | Blood filtration, antibody generation, and lymphopoiesis
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| A feature NOT part of the lymphatic system: | Stimulation of the kidney by EPO
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| Which white blood cell is slightly larger than an erythrocyte, has a small amount of blue cytoplasm, and a large, round nucleus that dominates the cell? | Lymphocyte
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| Which white blood is the size of 3 - 5 erythrocytes, has pale colored granules, a nucleus that is pinched at one or more points, and can be vaculated? | Nuetrophil (segmented)
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| All of the following are functions of macrophages in the bone marrow: | Store iron, secrete cytokines, phagocytize senescent cells
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| This is NOT a function of macrophages in the bone marrow: | activate adipose cells
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| Kupffer cells, found in the liver, are: | macrophages
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| Apoptosis is: | programmed cell death
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| What cell is not a product of the CFU-GEMM? | lymphocyte
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| The N:C ratio in the myeloblast is: | 6:1
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| The plasma cell is responsible for: | Humoral immunity
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| What cell becomes a plasma cell at its endstage of development? | Mature B Cell
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| The spleen harbors approximately _____ of the white blood cell population. | One-third
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| The primary function of lymphocytes is immunologic. | True
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| The primary lymphoid organs are the: | Bone marrow and thymus
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| What feature distinguishes a monocyte from a lymphocyte? | Abundant gray-blue cytoplasm
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| In which stage of neutrophilic maturation are specific secondary granules first seen? | Myelocyte
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| Which CD marker is specific for monocytes? | CD14
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| Which subpopulation of T cells alters the cell membrane? | T cytotoxic
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Created by:
Megan Hohenberg
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