Histo

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Author:
HLW
ID:
33518
Filename:
Histo
Updated:
2010-09-26 16:02:10
Tags:
Blood
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Description:
Blood
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  1. Blood volume in most animals, and cats is:
    • Most= 7%
    • Cats= 4%
  2. Plasma consists of:
    • 92% water
    • 7% PP
    • 1% other
  3. Serum lacks
    Fibrinogen
  4. Flat RBCs are found in
    Goats and Pigs
  5. Elliptical RBC are found in (4):
    • LLamas
    • Birds
    • Reptiles
    • Amphibians
  6. Non-nucleated RBCs are found in
    llamas
  7. Anisocytosis-
    Variability in size of RBCs
  8. Anistocytosis is normal in...
    ?
  9. Poikilocytosis-
    Variability in RBC shape
  10. Poikilocytosis is normal in Goats
  11. Reticulocytes contain
    rRNA
  12. Howel-Jolly bodies-
    RBCs w/ DNA fragments in them
  13. RBC's w/ projections evenly distributed around them are:
    Echinoctes (crenated)
  14. RBC's w/ projections unevenly distributed around them are:
    Ecanthocytes
  15. Echinocytes are normal in
    Pigs
  16. Heinz Bodies are commonly found (pathogenic) in
    cats
  17. Rouleaux formations are normally found in
    Horses and cats
  18. Rouleauz Formations are caused by:
    Inflammation proteins
  19. Pallor indicates
    Decreased Hb (<33%)
  20. RBC lifespan in:
    cattle-
    equines-
    sheep-
    dogs-
    pigs-
    cats-
    • cattle-160
    • equines-160
    • sheep-160
    • dogs-120
    • pigs-85
    • cats-75
  21. Increased number of neutrophils are found in
    most nonruminants
  22. Increased number of lymphocytes are found in
    • Ruminants
    • Swine
    • Birds
  23. Types of polymorphonuclear Granulocytes
    • Neutrophils
    • Eosinophils
    • Basophils
  24. Types of Mononuclear Agranulocytes
    • Lympocytes
    • Monocytes
  25. Segmented nuclei w/ 3-5 lobes, is founf in
    Neutrophils
  26. Barr Bodies are...
    extra chromosomes
  27. Barr bodies are found in
    Neutrophils
  28. Two types of granules found in neutrophils
    • Specific Granules (bactericidal)
    • Azurophilic Granules (hydrolytic)
  29. Neutrophils in chickens =
    Heterophils
  30. Neutrophils circulate for
    10-14 days
  31. "hot dog cell" =
    neutrophil band cell
  32. Neutrophil's nuclei have ____ lobes
    3-5
  33. Two types of granules in neutrophils
    • specific (bacteriocidal)
    • azurophilic (hydrolytic)
  34. Neutrophils remain in circulation for...
    10-14 hrs
  35. Function of neutrophils
    fight infection/phagocytosis (reach site of inflammation by chemotaxis)
  36. Eosinophil's nuclei have ___ lobes
    2
  37. In horses, what has a mulberry-like appearance
    eosinophils
  38. An increases number od lobes will occur in the nuclei of ____
    Neutrophils
  39. Phenomena seen in greyhounds
    vacuolated eosinophils
  40. Functions of Eosinophils (2)
    • Allergic Rxn
    • Parasitic infection
  41. In which WBC is it hard to see the nuclei?
    Basophils
  42. Which Granulocyte has a segmented nuclei?
    Basophils
  43. Functions of Basophils (2)
    Release Heparine and Histamine => INFLAMMATION
  44. Hematopoisis in the embryo occurs in the _____ followed by the ____
    • wall of the yolk sac
    • feal liver
  45. Basophils vs Mast Cells
    • Basophils in circulation
    • Mast cells in tissue
    • (both produce Heparine and Histamine)
  46. Pelger-Huet Anamoly-
    morphological changes to nuclei of granulocytes and monocytes
  47. Pelger-Huet anamaly is observed in:
    Australian Sherherds
  48. Three types of lymphocytes:
    • T
    • B
    • NK
  49. What differentiates lymphocytes
    Surface receptors
  50. B-Lymphocytes are derived from...
    • bone marrow
    • (cloacal bursa in birds)
  51. Humoral Immunity=
    B-Lymphocytes
  52. Function of B-Lymphocytes
    • antibodies (plasma cells)
    • memory cells
  53. T-Lymphocytes are derived from...
    Thymus
  54. Cell-mediated immunity=
    T-Lymphocytes
  55. Function of T-Lymphocytes
    • cell mediated immunity
    • memory cells (-> helper and cytotoxic cells)
  56. Primary lymphocyte in circulation
    T-Lymphocytes
  57. NK cells are derived from the
    Bone marrow
  58. Funciton ofNK cells
    tumor cells
  59. Largest of the leucocytes:
    Monocytes
  60. Function of monocytes
    • cell signaling
    • Cytokines
    • precursors of macrophages
  61. Smallest of WBC's
    platelets
  62. Platelets have ___, ___ and ___ for cagulation
    • microtubules
    • microfilaments
    • adhesice properties
  63. Nurient Arteries in the bone marrow enter at ____ and terminate at ____ and join venous blood
    • midshaft
    • periphery
  64. RBC's produced in the bone marrow will enter the blood via...
    vascular sinuses
  65. Band cells =>
    • Basophils
    • Neutrophils
    • Eosinophils
  66. Monocyte =>
    macrophage
  67. Megakaryocytes =>
    Platelets
  68. Lymphoid Stem Cells =>
    • T-Cells
    • B-Cells
    • NK Cells
  69. Myloid Cells =>
    • Platelets
    • RBC's
    • Granulocytes (Basophil, Eosinophil, Neutrophil & Macrohage)

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