HematologyTest1Introduction

  1. When were the first blood cells seen?  By whom?
    1642 by Leeuwenhoek
  2. When were platelets discovered?
    1842
  3. What are the primary services offered by hematology labs?
    • Specimen collection/preparation
    • Quantitative measurement of cells
    • Measurements of cell volume
    • Evaluation of cellular contents/components
    • Cell ID using morphological, cytochemical, and cell surface markers
    • ID of reactive or neoplastic alterations
    • Evaluation of RBC/WBC/platelets
    • Evaluation of cellular development (in marrow)
    • Evaluation of hemostatic function
  4. a/an-
    aniso-
    cyt-
    dys-
    erythro-
    ferr-
    hemo/hemato-
    • a/an: lack, without, absent, decreased
    • aniso: unequal, dissimilar
    • cyt: cell
    • dys: abnormal, difficult, bad
    • erythro: red
    • ferr: iron
    • hemo/hemato: pertaining to blood
  5. hypo-
    hyper-
    iso-
    luek(o)-
    macro-
    mega-
    meta-
    micro-
    • hypo: beneath, under, deficient, decreased
    • hyper: above, beyond, extreme
    • iso: equal, alike, same
    • leuk(o): white
    • macro: large, long
    • mega: large, giant
    • meta: after, next, change
    • micro: small
  6. myel(o)-
    pan-
    phleb-
    phago-
    poikilo-
    poly-
    schis-
    scler-
    • myel(o): bone marrow, spinal cord, sometimes white cells
    • pan: all, overall, all-inclusive
    • phleb: vein
    • phago: eat, ingest
    • poikilo: varied, irregular
    • poly: many
    • schis: split
    • scler: hard
  7. splen-
    thromb(o)-
    xanth-
    • splen: spleen
    • thromb(o): clot, thrombus
    • xanth: yellow
  8. -cyte
    -emia
    -itis
    -lysis
    -oma
    -opathy
    -osis
    • cyte: cell
    • emia: blood
    • itis: inflammation
    • lysis: destruction, dissolving
    • oma: swelling, tumor
    • opathy: disease
    • osis: abnormal increase, disease
  9. -penia
    -phil(ic)
    -plasia(plastic)
    -poiesis
    -poietin
    • penia: deficiency, decreased
    • phil(ic): attracted to, affinity for
    • plasia(plastic): cell production, repair
    • poiesis: cell production, formation, and development
    • poietin: stimulates production
  10. anemia
    anisocytosis
    aplasia
    dysmyelopoiesis
    panmyelosis
    • anemia: lack of blood
    • anisocytosis: cells not the same size
    • aplasia: poor cell repair
    • dysmyelopoiesis: poor WBC production
    • panmyelosis: increase of all cell types
  11. what are the functions of blood?
    • transportation: dissolved gases, nutrients, wastes, enzymes, and hormones
    • stabilizes: pH, electrolytes, body temperature
    • prevents fluid losses
    • protection: toxins, pathogens
  12. How many pints of blood (men/women)? pH? % body weight (blood/marrow)? Temp?
    • men 10-12 pints
    • women 8-10 pints
    • pH 7.35-7.45
    • Blood ~10% body weight
    • Marrow ~5% body weight
    • Temp slightly higher than body temp (38C vs 37C, 100.4F vs 98.6F)
  13. Layers of blood (%) after centrifugation w/ anticoagulant?
    • Plasma: 54% (fluid)
    • Buffy Coat: 1% (WBC/platelets)
    • Erythrocytes: 45% (RBC)
  14. Describe the contents of plasma
    • Water
    • Electrolytes
    • Nutrients
    • Organic wastes
    • Proteins (albumins, globulins, fibrinogen)
  15. What are the formed elements? (list all cell types)
    • erythrocytes
    • leukocytes (neutrophils, eosinophils, basophils, lymphocytes, monocytes)
    • thrombocytes
Author
victimsofadown
ID
266715
Card Set
HematologyTest1Introduction
Description
HematologyTest1Introduction
Updated