Blood
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Created by:
packerwidow Plus on January 28, 2011
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Description:
Lab Session 2
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30 terms
Terms | Definitions |
|---|---|
 whole blood composition | plasma: 45% formed elements: 55% |
| plasma composition | water, salts (electrolytes), plasma proteins, other substances transported by blood |
| formed elements | red blood cells (RBCs or erythrocytes); white blood cells (WBCs or leukocytes); platelets |
| erythrocyte slide |  |
| leukocytes | (WBC) spherical, nucleated cell |
| granulocytes | type of leukocyte; basophil, eosinophil, neutrophil |
| neutrophil slide |  |
| eosinophil slide |  |
| basophil slide |  |
| agranulocyte | type of leukocyte; lymphocyte, monocyte |
| lymphocyte slide |  |
| monocyte slide |  |
| platelet slide |  |
| hematocrit | determines the PCV (packed cell volume) of RBCs in whole blood by centrifuging it. RBCs settle at bottom of beaker. Normal values for men are 47.0 + or - 7; and for women are 42 + or - 5. |
| agglutinogens | antigens; proteins that determine blood type and are present on the outer surface of the RBS plasma membrane. These are genetically determined. Type A blood has A antigens. |
| agglutinins | antibodies; a plasma protein that fights against foreign blood types. Type A blood has B antibodies. |
| Rh + | can donate to +, and receive both + and -. |
| Rh- | can donate to + and -, and receive only -. |
| blood typing | a classification system based on the presence of surface glycoproteins (antigens) on RBCs. |
| types of leukocytes |  |
| erythrocyte | biconcave, anucleate disc; D: 15 days; LS: 100-120 days; FX: transport oxygen |
| neutrophil | class of granulocyte; nucleus multilobed; D: 14 days; LS: 6 hours - few days; FX: phagocytize bacteria |
| eosinophil | class of granulocyte; nucleus bilobed, red granules; D: 14 days; LS: 8 - 12 days; kill parasitic worms |
| basophil | class of granulocyte; nucleus lobed, large blue-purple granules; D: 1-7 days; LS: unknown; release histamine |
| lymphocyte | class of agranulocyte; nucleus spherical or indented; development: D: days to weeks; LS: hours to years; FX: mount immune response by direct cell attack |
| monocyte | class of agranulocyte; nucleus U- or kidney-shaped; D: 2- 3 days; LS: months; FX: phagocytosis |
| platelet | cytoplasmic fragments; D: 4-5 days; LS: 5-10 days; FX: seal small tears in blood vessels |
| plasma electrolytes | NA, K, CA, MG, Chloride bicarbonate |
| plasma proteins | albumin, fibrinogen, globulins |
| other plasma substances | nutrients, waste products, respiratory gases, hormones |
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