Hematology in Practice - Chapter 2
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| What is the average M:E ratio for normal adult bone marrow? | 4:1
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| The key organs involved in extramedullary hematopoiesis include the: | liver and spleen
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| What assays is the best test to assess the bone marrow's response to anemic stress? | reticulocyte count
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| Antibody-coated red cells that have their antibodies stripped away in the spleen usually reappear in the circulation as: | sperocytes
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| A peripheral blood smear indicator of ineffective bone marrow response to anemia is: | a lack of polychromasia
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| A patient with the following values-- RBC = 4.01 x 10^12/L, Hgb = 12.5 g/dL, and Hct = 37.2% -- will most likely have which of the following RBC indices? | MCV = 92.8 fL, MCH = 31.2 pg, MCHC = 33.6%
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| The hormone responsible for red blood cell development in the bone marrow is: | Erythropoietin
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| What site is the most preferable site for bone marrow aspiration and biopsy in adults? | Iliac Crest
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| A patient's hemoglobin is 12.3 g/dL. On the peripheral smear, the red cells appear normochromic, normocytic. The hematocrit value that correlates with these data is: | 37% = 12.3 x 3 = 36.9 (round up)
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| A Wright- stained smear of a patient with an elevated reticulocyte count should show: | Polychromasia
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| When hematopoiesis occurs in the liver in an adult, it is called: | Extramedullary
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| During midfetal life, the primary source of blood cells is the: | liver
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| The CBC parameter that gives insight as to the amount of anisocytosis present in a specimen is: | RDW
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| Patients with moderate anemias (7 to 10 g/dL) may be asymptomatic. | True
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| What are the organs of hematopoiesis in fetal life? | liver and spleen
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| How does the bone marrow respond to anemic stress? | Production is expanded, and red blood cells are released to the circulation prematurely
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| What chemical substances are responsible for differentiation and replication of the pluripotent stem cell? | Cytokines
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| A hormone released from the kidney that is unique for erythroid regeneration is: | Erythropoietin
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| What is the most stable parameter of the CBC? | MCV
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| What one of the red blood cell indices reflects the concentration of hemoglobin per individual red blood cell? | MCHC
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| What formula indicates the correlation check between hemoglobin and hematocrit? | Hgb x 3 = Hct
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| What CBC parameters may provide an indication of anemia before he MCV indicates an overt size change? | RDW
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| What test is the most effective means of assessing red blood cell generation in response to anemia? | Reticulocyte count
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Created by:
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