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Hematology 1
Hematology in Practice - Chapter 9
| Question | Answer |
|---|---|
| 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) |
| The "marginating pool" of neutrophils is located: | On the blood vessel walls |
| 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 |
| What CD markers is more appropriately associated with the myelocyte? | CD45, CD33, CD13 |
| One of the primary glands responsible for lymphocyte origination in the infant is the: | Thymus gland |
| 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. |
| The initial appearance of specific granulation in the granulocytic series is predominantly seen in the: | Myelocyte |
| The amount of time a granulocyte spends in the circulation before migrating into the tissues is normally: | 8 hours and/or 48 hours |
| In automated hematology, what is the definition of the delta check? | Comparison to previous value |
| All of the following are features of the lymphatic system: | Blood filtration, antibody generation, and lymphopoiesis |
| A feature NOT part of the lymphatic system: | Stimulation of the kidney by EPO |
| 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 |
| 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) |
| All of the following are functions of macrophages in the bone marrow: | Store iron, secrete cytokines, phagocytize senescent cells |
| This is NOT a function of macrophages in the bone marrow: | activate adipose cells |
| Kupffer cells, found in the liver, are: | macrophages |
| Apoptosis is: | programmed cell death |
| What cell is not a product of the CFU-GEMM? | lymphocyte |
| The N:C ratio in the myeloblast is: | 6:1 |
| The plasma cell is responsible for: | Humoral immunity |
| What cell becomes a plasma cell at its endstage of development? | Mature B Cell |
| The spleen harbors approximately _____ of the white blood cell population. | One-third |
| The primary function of lymphocytes is immunologic. | True |
| The primary lymphoid organs are the: | Bone marrow and thymus |
| What feature distinguishes a monocyte from a lymphocyte? | Abundant gray-blue cytoplasm |
| In which stage of neutrophilic maturation are specific secondary granules first seen? | Myelocyte |
| Which CD marker is specific for monocytes? | CD14 |
| Which subpopulation of T cells alters the cell membrane? | T cytotoxic |
Created by:
Megan Hohenberg
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