Hematology

• Salmon pink?


  RBC
• Slightly blue-gray?


  Polychromatophilic
• Colorless?


  WBc/Leukocytes
• Pink-lavender staining granules?


  Bands
• Dark purple?


  Basophilia/Basophiles
• blue gray?


  Monocytes
• cause bacterial infections?


  Bands, Neutrophilia
• response to allergy or parasitic infections?

  Eosinophilia
• causes viral infection?


  Lymphocytosis
• cause drug therapy and immunodeficiency?

  Lymphopenia
• most abundant cell type?

  macrophage
• Bright orange?


  Eosinophils
• cause the formation of sickle-shaped red cells?

  sodium metabisulfite method
• cause of "holy-leaf forms"?

  sodium metabisulfite method
• EDTA inversions?


  8
• Heparin inversions?


  8
• 3.2% Sodium citrate inversions?

  3-4
• Formulations of EDTA?


  k2 EDTA
• Concentrations of EDTA?


  1.5 mg/mL of blood
• Concentration of Heparin?


  15-20 units/mL
• Formulations of heparin?


  Ammonium, Lithium, Sodium citrate
• Formulations for 3.2% Sodium citrate?

  3.8% sodium citrate, westegreen ESR
• Concentrations for 3.2% sodium citrate?

  A:C - 1:9
• Action of Heparin?


  Binds thrombin
• Cause swelling of platelets?


  EDTA
• cellular clumping = increase WBC, decrease Plt?

  heparin
• Activation of platelets?


  3.2% sodium citrate
• Mean Platelet Volume (MPV)?


  Increase 20% in 1st hour EDTA
• Used of EDTA?


  routine hema
• used of heparin?


  Flow cytometry, plasma chemistry determination, osmotic fragility test (OFT), blood gas studies
• uses of 3.2% sodium citrate?

  coagulation studies
• Blood smear must be made within?

  3 hrs. collection
• EDTA in RT?


  6 hours
• EDTA in 4 deg C?

  24 hours
• Heparin NOT TO BE USED IN?

  blood smear preparations, coagulation studies
• Prevents platelet AGGREGATION?


  EDTA
• Insufficient EDTA cause?


  clots
• Excessive EDTA cause?


  👎�� HCT, ESR; 👍🏼MCHC, PLT
• Lithium heparin is the?


  Least interference in chemistry testing
• Bluish smear bg with Romanowsky stain due to pH?

  Heparin