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20 Cards in this Set
- Front
- Back
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Blood plasma
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55%
Water, proteins, nutrients, electrolytes (sodium), and wastes Proteins: Albumin – water balance Globulins – immunity Fibrinogen - clotting |
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Hemostasis
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Cessation of bleeding
Prompt constriction of damaged vessel Platelets adhere to damaged area Attached platelets release chemicals to cause more platelets to adhere. |
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Formed elements
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45%
Red/white blood cells and platlets |
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Hemostasis
Coagulation |
Involves the activation of protein fibrinogen to fibrin
Activated fibrin adheres to the vessel walls and platelet plug like a spider web, Brings damaged vessel together so it can heal |
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Albumin
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protein maintains water balance
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Agglutinate
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Binding of antibodies and antigens cause foreign cells to clump together
Immune system removes clumps from body |
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Hormone Erythropoietin
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stimulates the proliferation of RBC’s in the bone marrow
Produced by the liver and kidneys |
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Hypoxia
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part of body without oxygen
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Platlets
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fragments of large bone marrow cells
Released into blood stream and circulate about 10 days Have an important role in hemostasis |
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Antigen
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can be protein or glyco-protein. Blood type is determined by specific chemical groups on the surface of red blood cells called
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Antibody(Agglutinins)
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) are proteins that can recognize and bind specific antigens
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Rh factor
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dont know yet
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Hemoglobin
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Consists of four proteins, heme group, and iron molecule
2 alpha proteins 2 beta proteins Heme group binds iron Iron is required to transport oxygen When red blood cells die, protein is recycle and heme is removed as waste |
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function of blood
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Transport:gas, nutrients, hormones
Protection: WBC, antibodies production, platelets Regulation: body temp, fluid distribution, pH |
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composition of blood
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Formed elements and plasma
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Hypoproteinemia
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More protein (solute) in tissues compared to blood
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RBC or Erythrocytes
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Produced in red bone marrow (hollow center of bones)
RBC have no organelles |
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Hemoglobin Disorders
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Mutated form of hemoglobin
Reduces oxygen binding Cells can stick together and block small vessels Mutation evolved with malaria resistance |
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Globulins
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protein that take care of the immunity
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Fibrinogen
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protein that take care of blood clot
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