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17 Cards in this Set
- Front
- Back
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What is blood?
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Blood is a connective tissue composed of formed elements (cells and cell fragments) and intercellular material (plasma). |
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What is the composition of blood?
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Buffy Coat- 1% Leukocytes and platelets Erythrocytes- 45% |
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Amounts of blood in adult male/female
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Female- 4-5 liters |
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What is Hematocrit? What are the figures for adult males and females?
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Hematocrit is the % by volume of the blood that is composed of packed red blood cells Males- 47% +/- 5% Female- 42% +/- 5% |
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Composition of plasma
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10% solutes - Plasma proteins from liver - Nutrients - Hormones - Wastes - Dissolved gasses |
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Observations of plasma
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Transparency- Clear pH- 7 Consistency- Watery |
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Formed elements
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WBC- nucleated cells that provide immunity 4800-10800 cells/mm^3 blood Platelets- cell fragments used for hemostasis 150,000-400,000 cells/mm^3 blood |
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AGran or Gran? Type? %? Cause of influx? |
Gran Neutrophils- multilobed nucleus, pale red and blue cytoplasmic granules. 50-70% of cells acute infection phagocytic |
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AGran or Gran? Type? %? Cause of influx? |
Gran Eosinophils- bilobed nucleus, red cytoplasmic granules 2-4% Allergic reaction Parasitic infection Asthma |
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AGran or Gran? Type? %? Cause of influx? |
Gran Basophil- bilobed nucleus, purpleish black cytoplasmic granules 0.5-1% Histamine Heparin |
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AGran or Gran? Type? %? Cause of influx? |
Agran Lymphocyte- large spherical nucleus, thin rim of pale blue cytoplasm 25-45% Immunity |
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AGran or Gran? Type? %? Cause of influx? |
Agran Monocytes- kidney shaped nucleus abundant blue cytoplasm 3-8% Chronic Infection |
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What are platelets
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Platelets (thrombocytes) are fragments derived from megakaryocytes from the bone marrow. They prevent blood loss. |
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What type of antigen does type A blood have?
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anti-B antigen |
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What type of antigen does type B blood have?
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anti-A antigen |
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What type of antigen does type AB blood have?
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Neither anti-A or anti-B |
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What type of antigen does Type O have?
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Both anti-A or Anti-B |
