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10 Cards in this Set
- Front
- Back
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Blood consists of what?
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1. Formed elements (cells & platelets)
2. Intercellular fluid material (plasma) |
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How much blood does average adult have?
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5 - 5.5 liters
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Life span of erythrocytes?
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120 days
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Blood functions X 3
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1. TRANSPORTATION(nutrients, waste, hormones, proteins, ions, etc.)
2. Regulation of body TEMPERATURE 3. Assists in regulation of osmotic BALANCE and acid/base BALANCE |
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Plasma consists of what? X #3
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1. 90% water
2. 9% organic compounds 3. 1% inorganic salts |
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Serum defined.
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Yellowish fluid that remains after fibrinogen and other clotting factors have been removed.
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What is a buffy coat?
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A thin supernatant layer of leukocytes (light colored plasma) between the plasma layer and erythrocyte layer after centrifugation.
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What is HEMATOCRIT?
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It is the volume of packed ERYTHROCYTES per UNIT VOLUME OF BLOOD expressed as a PERCENTAGE.
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Describe hematocrit levels in venous blood and include why.
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Hematocrit levels are greater in venous blood because of hydration and increase in size of cells.
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Describe hematocrit levels during pregnancy and include why.
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Hematocrit levels diminish during pregnancy due to hemodilation.
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