Blood & Blood Testing
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Transcript of Blood & Blood Testing
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BLOOD & BLOOD TESTING
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BLOOD CELLS
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Erythrocyte (RBC)
Stacking allows for passage through narrow blood vessels
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Leukocyte (WBC)
Have a nucleusFight disease
NeutrophilsEosinophilsBasophilsMonocytes/MacrophageLymphocyte
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Granulocyte
This is a cell that shows granules (spots) after stainingNeutrophilsEosinophilsBasophils
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WBC Granulocyte: Neutrophil
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WBC Granulocyte: Eosinophil
Appears darker or more red than neutrophils due to larger granules
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WBC Granulocyte: Basophil
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Agranulocyte
This is a cell without granulesMonocytes /MacrophagesLymphocytes
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WBC Agranulocyte: Monocyte (Macrophage)
Nucleus can appear as several different shapes- Remember: No granules make cytoplasm much lighter
than granulated WBC
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WBC Agranulocyte: Lymphocyte
Relatively similar size as RBCVery little cytoplasm visible due to size of nucleus
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Platelets (Thrombocytes)
Platelets can appear in clusters or singular
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Comparison of all cells together
Platelet
Erythrocyte
Eosinophil
Neutrophil
Basophil
LymphocyteMonocyte
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Hematocrit – Packed cell volume (PCV)
Percentage of erythrocytes in the blood
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Differential White Blood Cell Count (DIFF)
A test where the first 100 WBCs are categorized according to type.
This number can then be compared to normal % to determine type of illness.
WBC DIFF
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Tallquist hemoglobin test
Measures the amount of hemoglobin in the blood to help determine anemia
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Blood Typing
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Antigens
Located on the erythrocytesDetermines blood type
Antigen Antigen
Antigens No Antigens
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Antibodies
Identifies a specific antigen located on the erythrocytes
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Agglutination
Clumping that occurs when antibodies join to antigens
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ABO system
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Rh antigen