SCC hem. wk1
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| What is the function of RBCs? | The function of RBCs is to carry oxygen to all parts of the body.
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| The scientific name for white blood cells. | Leukocytes
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| The substance found within the RBCs whose function is to provide oxygen to all parts of the body. | Hemoglobin (Hgb/Hb)
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| What is the name of the most common anticoagulant used in the Hematology department? | EDTA
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| Also known as the "packed cell volume". | Hematocrit (Hct)
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| In what tissue of the body does the majority of hematopoiesis take place? | Bone marrow
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| What are absolute WBC counts? | The measurement of the actual number of each type of WBC found in the body.
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| From what tissue of the body are the formed elements derived (produced)? | From what tissue of the body are the formed elements derived (produced)?
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| The term used to describe diseases that involve low blood volume or low oxygen levels. | Anemias
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| What are the names of the five types of different WBCs? | Neutrophils, Lymphocytes, Monocytes, Eosinophils, and Basophils
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| Ratio used to determine the relative numbers of RBCs and WBCs developing in the bone marrow. | M:E Ratio (Myeloid: Erythroid Ratio)
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| What term is used to describe the measurement of average hemoglobin concentration of RBCs? | MCHC (mean cell hemoglobin concentration)
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| What is the name of the most common stain used in the Hematology department? | Wright's or Wright's-Giemsa stain
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| At what magnification of the microscope are differentials counted? | 100X or oil immersion magnification
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| The scientific name for platelets. | Thrombocytes
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| What are the three main classes of formed elements? | Erythrocytes (RBCs) Leukocytes (WBCs) Thrombocytes (Platelets)
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| What is the function of platelets? | Platelets are involved in helping the blood to clot
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| What type of blood specimen is required to perform testing in the Hematology department? | well mixed, whole blood
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| What equation is used to calculate the MCHC? | Hgb x 100/Hct
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| What is the term used to describe a substance that keeps blood from clotting? | anticoagulant
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| What is a differential? | Slide of blood used to evaluate the formed elements of the blood.
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| What equation is used to calculate the MCH? | Hgb x 10/RBC
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| Term used to define the volume of RBCs in a specimen tube after it has been spun down in a centrifuge. | Hematocrit (Hct)
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| What equation is used to calculate the MCV? | Hct x 10/RBC
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| What term is used to describe the measurement of the average weight of hemoglobin content of RBCs? | MCH (Mean cell hemoglobin)
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| What term is used to describe the measurement of the average volume of RBCs? | MCV (Mean cell volume)
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| What "rule of three" equation double checks the relationship of the RBC count and Hgb measurements? | RBC x 3 = Hgb
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| How many, and what formed element of the blood are counted on a differential? | 100 WBCs
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| What is the function of WBCs? | The function of the WBCs is to help the immune system fight off infections
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| What is the term used to describe the "proliferation", "differentiation", and "maturation" of the formed elements of the blood? | Hematopoiesis
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| What is a reticulocyte? | A young RBC that contains remnant cytoplasmic RNA
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| Term used to define the blood's ability to form clots when needed, and dissolve clots to prevent blood vessel occlusion. | Hemostasis
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| What is an RDW (red cell distribution width)? | Term used to describe the measurement of the degree of RBC size.
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| The scientific name for red blood cells | Erythrocytes
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| Why is the reticulocyte count important? | The reticulocyte count assesses how well the bone marrow produces RBCs.
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| What "rule of three" equation double checks the relationship between the Hgb and Hct measurements? | Hgb x 3 = Hct
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| In Hematology, we measure what three aspects of the formed elements of the blood and their products? | Concentration, structure, and function
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| Term used to define the study of blood. | Hematology
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