Introduction to Hematology; Quality Assurance

• What does "Haemas" refer to in hematology?

  Blood
• What does "Logos" mean in the context of hematology?

  Study
• What is the primary focus of hematology?

  The study of the cellular elements of the blood
• What are the three formed elements of blood?

  • RBCs (Red Blood Cells)
  • WBCs (White Blood Cells)
  • Platelets
• What does the study of hematology include?

  • Formation of cells
  • Stages involved in the formation of cells
  • Different tests associated to evaluate cells
  • Diseases associated with these cells
• Who described worms in the blood in 1657?

  Athanasius Kircher
• What significant discovery did Swammerdam make in 1658?

  Discovery of erythrocytes
• Who described human erythrocytes in 1674?

  Anton Van Leuwenhoek
• In what year were platelets first described?

  1842
• Who distinguished PMN from other leukocytes in 1846?

  Wharton Jones
• What was the first complete classification of leukocytes published?

  1879 by Ehrlich
• When was Wright’s stain developed?

  1902
• In what year did hematology become a separate science from clinical pathology?

  1920
• What does the prefix "a" signify in medical terminology?

  • Without/absence
• What does "blast" refer to in hematology?

  • Youngest/nucleated/immature
• What does "chromic" mean?

  • Color
• What does "cyte" refer to?

  • Cell
• What does "dys" indicate in medical terms?

  • Abnormal
• What does "aemia" mean?

  • In the blood
• What does "ferro/ferric/sidero" refer to?

  • Iron
• What does "hyper" signify?

  • Increased
• What does "hypo" indicate?

  • Decreased
• What does "iso" mean?

  • Equal
• What does "macro" refer to?

  • Large
• What does "micro" signify?

  • Small
• What does "myelo" refer to?

  • Marrow
• What does "normo" mean?

  • Normal
• What does "oid" signify?

  • Like
• What does FBC stand for?

  Full blood count
• What does "fL" measure?

  Femtoliter
• What does "Hb/hgb" refer to?

  Hemoglobin concentration
• What does "Hct" stand for?

  Hematocrit
• What does "MCH" measure?

  Mean cell hemoglobin
• What does "MCV" stand for?

  Mean cell volume
• What does "MCHC" measure?

  Mean cell hemoglobin concentration
• What does CBC stand for?

  Complete blood count
• What does "pg" measure?

  Picogram
• What do blood indices/red cell indices include?

  • MCH
  • MCV
  • MCHC
• What do blood indices tell us?

  • Morphologic feature of the RBC
• What is plasma composed of?

  • 95% water
  • 5% chemical constituents (proteins, carbohydrates, lipids, electrolytes, etc.)