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SCC hem. wk1

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