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15 Cards in this Set
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- Back
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What makes up blood?
Plasma is __% volume of blood. |
55
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conents of plasma is?
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proteins/minerals/glucose/hormones/CO2/platelets/blood cells
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Hematocrit is?
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the percentage of blood composed of cells
Normally 40-45% 15g of Hg in men 14g of Hg in women |
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RBCs-Erythrocytes-
Most _____ blood cell. Biconcave disks Production of RBCs is? Life span? |
abundant blood cell.
very flexible, easily deformed produced during gestation; yolk sac, liver, spleen, lymph nodes, after birth; from bone marrow life span= 120 days |
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Functions of RBCs include?
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transport hemoglobin (main function)
contains enzyme carbonic anhydrase - causes rxns turn CO2 into bicarbonate ion, HCO3 is transported in plasma, not RBC |
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Genesis of blood cells-
Pluripotential hematopoietic stem cell is? |
bone marrow cell that all blood cells derived from
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growth inducers are?
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proteins that induce growth of stem cells
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differentiation inducers are?
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proteins that induce differentiation.
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Vitamin B12 and folic acid are necessary for?
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maturation of RBCs.
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growth and differentiation facrtors can be affected by other factors like amount of?
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O2, disease etc...
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Regulation of RBC production-
anything causing decreased tissue oxygenation will lead to? |
increased RBC production
-altitude, destruction of bone marrow, anemia, cardiac failure, lung disease |
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Erythropoietin- a glycoprotein hormon formed mainly in?
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kidneys responsible for stimulating RBC production during times of hypoxia
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Platelets- aka thrombocytes
formed by fragmentation of the precursor cell? Function of platelets is? |
megakaryocyte.
hemostasis: blood clotting growth factor source |
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White blood cells- leukocytes-
involved in immunity, Increased number is usually a sign of ? |
disease
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types of leukocytes are?
Granulocytes. Agranulocytes. |
granulocytes: neutrophils, basophils, eosinophils
agranulocytes; lymphocytes, monocytes, macrophages |
