Term
| What are the typical values for the hematocrite? |
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Definition
males 42-56% females 38-46% |
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Term
| What are the the three functions of blood |
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Definition
Transportaton Regulation Proection |
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Term
| What does blood transport? |
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Definition
RBC - o2 and co2 Plasma - nutrients, hormones and waste |
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Term
| What does blood regulate? |
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Definition
Plasma - absorbs heat Vessels - constrict and dialate to regulate heat Ph and fluid levels in CV system |
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Term
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Definition
WBC - protects from infecton Plamss - antibodies Platelets - clots |
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Term
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Definition
mixture of water, protiens and solutes Serum is plasma with protiens removed Water makes up about 92% of plasma volume
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Term
| What are the plasma protiens? |
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Definition
Albumin Globulin Fibrinogen Regulatory Protiens
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Term
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Definition
Establlishes osmotic pressure Transports ions, hormones and some lipids |
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Term
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Definition
Binds supports and protect water -insoluable hormones and ions Carries antibodies |
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Term
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Definition
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Term
| What do regulatory protiens do? |
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Definition
| Consists of enzymes, proenzymes and hormones |
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Term
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Definition
Not a true cell Biconcave discs - allow gases to be loaded and unloaded effieiently Filler with hemoglobin-Iron which transports O2 and CO2 Recycled by liver and spleet lives for 120 days One RBC can hold a billion molecules of O2
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Term
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Definition
| When RBC's for stacks in small places |
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Term
| What type of Antibodies does a person with type A blood have? |
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Definition
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Term
| What type of Antibodies does a person with type B blood have |
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Definition
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Term
| What type of Antibodies does a person with AB Have? |
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Definition
| No antibodies, b/c both types would destroy the cell |
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Term
| What type of Antibodies does a person with O type blood have? |
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Definition
Both Anti A and Anti B - because they have no antigens on their cells |
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Term
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Definition
True cells - larger than RBC Function outside the blood stream in immune response, defense a/g pathogens Leave the blood stream by diapedesis Travel in ameboid fashion Attracted to the site by chemotaxis Normal count is 5,000 to 10,000 ml of blood
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Term
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Definition
| WBC slips b/ t epitheial cells of capillaries |
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Term
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Definition
| Chemical message sent from damaged cells that attracts WBC |
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Term
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Definition
| Above normal amout of WBC |
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Term
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Definition
| A below normal amount of WBC |
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Term
| What are the two types of Leukocytes? |
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Definition
| Granulocytes and Agranulocytes |
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Term
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Definition
Neutrophils - phagocytize by secreting lysozyme - most common Eosinophils - Allergies and parasites Basophils - Histamine - allergy symptoms Heprin - inhibits clotting
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Term
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Definition
Lymphocytes - reside in lymph tissu - produce lymphocytes - second most common Monocytes - phagosytize bacteria, cell fragments dead cells and debris
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Term
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Definition
Cell fragments of megakaryocytes Membrane enclosed cytoplasm fibrin from fibrinogen plus platelets makes clots live 5-7 days No nucleus - not a true cell
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Term
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Definition
also called Hematopoiesis production of formed elements occures in the red bone marrow of bones All blood cells arise from common stem cell RBC formation - erthropoiesis
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Term
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Definition
Progenitor cell Proerthroblast Early Erythroblast Late Erythroblast Normoblast Reticulocyte Erythrocyte
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Term
| What is the stem cells that erthrocytes, platelets, granulocytes and monocytes come from? |
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Definition
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Term
| What stem cell does lymphocytes come from? |
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Definition
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Term
What is the different b/t a normoblast and a reticulocyte? |
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Definition
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