Blood system
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Arteries | Large blood vessels that carry oxygen rich blood awar from the heart to the body, arterial blood is bright red
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Aorta | Is the main part of arterial system, begins in the left ventricle of the heart.
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Coronary Arteries | Supplies the heart with blood
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Arterioles | Thinner branches, carry blood to capillaries.
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Capillaries | Blood vessels that connect arteries and veins to each other. Smallest vesses in the body
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Blood flow | slower in capillaries to allow time for exchange of oxygen, nutrients, and waste products between surrounding cells and fluids
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Veins | Responsible for carrying waste-filled blood back to heart
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Valves in veins | Allow for one-way blood flow toward heart
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Venules | small veins that join to form larger veins
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Pulse | Expansion and contraction of an artery caused by the pressure applied against the walls of the vessels
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Systolic pressure | The upper number of a blood pressure reading
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Diastolic Pressure | The lower nuber of a blood pressure reading
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Blood | Composed of 55% liquid plasma and 45% formed elements.
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Formed elements | Red blood cells, white blood cells, and platelets
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Plasma | Liquid part of blood, contains nutrients wastes and hormones. 91% water, 9% proteins
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Fibrinogen and Prothrombin | Clotting proteins to help blood clot and control bleeding.
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Erythrocytes or RBC's | contains hemoglobin, or iron containing portion of erythrocyte, live 120 days
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Hemoglobin | transports oxygen from the lungs to the tissues of the body
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Leukocytes or WBC's | Protect body against infection, five types of leukocytes.
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Neutrophils | Majority of WBC's, fight infection by phagocytosis
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Basophils | Promote inflammatory response, elevated basophil count may indicate an allergic condition
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Eosinophils | Formed in red bone marrow, increase in response to allergic condition
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Lymphocytes | Formed in red bone marrow, lymph nodes, and spleen, protect body against disease
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Monocytes | Formed in red bone marrow, lymph nodes and spleen, help fight disease.
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Thrombocytes (Platelets) | smallest formed elements in the blood; when blood vessel is damaged platelets become sticky and clump together.
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Rh positive | You have the Rh antigen
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Rh Negative | You do not have Rh antigen
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Aneurysm | Weak spot in the wall of an artery, causes it to balloon out and sometimes rupture.
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Arteriosclerosis | Hardening of the arteries which reduces blood flow through the artery
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Varicose Veins | Abnormally swollen veins usually occuring in the legs
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Thrombus | Blood clot attached to inside wall of vein or artery
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Embolus | blood, air, fat or other substance in the bloodstream.
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Embloism | the blockage of the blood vessel by the embolus
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Low density lipoprotein (LDL) | Bad kind, contribute to plaque buildup in the arteries causing a blockage for blood flow
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High Density Lipoprotein (HDL) | Good kind, Carries uneeded cholesterol back to the liver for processing; does not contribute to plaque build-up in the arteries
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Triglycerides | Combination of fatty acids and glycerol found in the blood
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Leukemia | Progressive increase in the number of abnormal leukocytes; malignant disorder
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Anemia | Lower than normal number of red blood cells
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Irond Deficiency anemia | Develops if not enough iron is available to the bone marrow to make hemoglobin.
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Sickle Cell anemia | Genetic disorder that causes abnormal hemoglobin
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Pulse Oximeter | External monitor that is applied to the finger to measure oxygen saturated with oxygen. Normal is above 96% or 90%
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Blood gases | Measuremetn of other gases in blood (in addition to oxygen)
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P | Pulse
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BP | Blood Pressure
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RBC | Red Blood Cells
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WBC | White BLood Cells
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LDL | Low density Lipoprotein
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HDL | High density lipoprotein
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ABG | Arterial blood gas
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tPA | Tissue plaminogen activator
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