Specialized Area of MedTech 1

• What is a Complete Blood Count (CBC)?


  A series of whole-blood tests to determine the quantity and other characteristics of blood cells.
• Why do most laboratories employ automated analyzers for CBC?


  To generate CBC results efficiently and accurately.
• What does hematology study?

  The study of blood cells and coagulation.
• What does hematology encompass?

  Analyses of blood cell concentration, structure, function, their precursors in bone marrow, and coagulation factors.
• What are the components of a Complete Blood Count (CBC)?

  • RBC Parameters
  • WBC Parameters
  • Platelet Parameters
• How is RBC Count expressed?

  As the number of cells per cubic mL.
• What is the primary function of hemoglobin?

  To transport molecular oxygen from the lungs to tissues.
• What does hematocrit measure?

  The ratio of the volume of packed RBC to the volume of whole blood.
• What does Mean Cell Volume (MCV) reflect?

  RBC diameter.
• What does Mean Cell Hemoglobin (MCH) express?

  The mass of hemoglobin per cell.
• What does Mean Cell Hemoglobin Concentration (MCHC) reflect?

  RBC staining intensity and amount of central pallor.
• What does RBC Distribution Width (RDW) express?


  The degree of variation in RBC volume.
• What is anisocytosis?


  Variation in the RBC size.
• What does WBC Count measure?

  The number of WBCs in 1mm³ of blood.
• What is leukopenia?


  A decreased WBC count.
• What is leukocytosis?


  An increased WBC count.
• What is a differential count?


  A review, classification, and tabulation of usually 100 white blood cells in a stained peripheral blood film.
• What are the types of white blood cells classified in a differential count?

  • Neutrophils
  • Eosinophils
  • Basophils
  • Lymphocytes
  • Monocytes
• What are neutrophils?


  Phagocytic cells with multilobed nuclei and pink or lavender-staining granules.
• What is neutrophilia?


  An increased neutrophil count.
• What is neutropenia?


  A decreased neutrophil count.
• What are eosinophils?


  Cells with round, bright orange-red cytoplasmic granules involved in immune regulation.
• What is eosinophilia?


  An increased eosinophil count.
• What are basophils?


  Cells with dark purple, irregular cytoplasmic granules that obscure the nucleus.
• What is basophilia?


  An increased basophil count.