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27 Cards in this Set
- Front
- Back
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What are the three functions of blood?
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Transportation, Regulation, Protection
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What is transported in the blood?
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nutrients and wastes, heat, oxygen and CO2, Hormones
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What does the blood regulate?
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Ph, Body temp, fluid balance;BP;Intra and extracellular fluid balance
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What does blood protect us from?
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blood loss by blood clotting mechanisms. From damage by foreign agents (microbes) using phgocytic white blood cells or immune chemicals such as antibodies and histamine
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What percentage of weight does the blood constitue?
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8%
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What is the normal range of blood volume in males?
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4-6L
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What is the normal range of blood volume for females?
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4-5L
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What are the characteristics of buffy coat?
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<1% of whole blood; WBC and platelets
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What is the straw colored fluid compnenet of blood that consists of 91.5% water and 8.5% solutes?
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Plasma
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What is the function of blood plasma?
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Acts as a solvent and a suspending medium for substances to transport blood; absorbs, transports and dissipates heat to maintain body temp.
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What are plasma proteins produced by?
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liver and WBC's
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What are the most abundant transport proteins for steroid hormones and fatty acids; aid in water balance?
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Albumin
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Transport iron, lipids, fat soluble vitamins
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Globuin
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Soluble clotting fibers.
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fibrinogen
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digestive products: glucose (CHOs), aa, fatty acids and glycerol (lipids), water, minerals and vitamins
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Nutrients
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break down products or protein metabolism (the nitrogenous wastes ammonia and urea, uric acid) as well as creatine and bilirubin.
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Metabolic waste products
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O2, CO2, NO
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Dissolved gases
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Blood plasma following removal of clotting fibers.
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Serum
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Serum containing specific antibodies; level of a specific antibody is callled the antibody "titer"
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Antiserum
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Blood cell formation
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Hemopoiesis
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Produce RBCs, platelets and all WBCs expect lymphocytes?
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Myeloid stem cells.
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Produce lymphocytes
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Lymphoid stem cells
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What is production of blood cells regulated by?
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hemopoietic growth factors
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Produced by kidneys and liver; Increase RBC precursors
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Erythropoeitin
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Produced by liver and kidneys; Increase plaetlet precursors
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Thrombopoietin
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Colony stimulating factors; prodcued by WBCs; increase WBC precursors
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Cytokines
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produced by thymus gland; stimulates T cell maturation
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Thymopoietin
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