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chapter 6


three types of blood cells Erythrocytes, Leukocytes and Platelets
White Blood cells Leukocytes, and they fight infection and disease
Platelets initiate blood clotting process
red blood cells Erythrocytes, responsible for oxygen transplant, 120 day life span
Hematopoiesis production of blood cells in the red bone marrow
Plasma 55% of whole body, 90-92% of water and 8-10% is dissolved substances
Plasma Proteins Albumin, Globulin, Fibrinogen
Albumin helps transport fatty substances
Globulin gamma globulins are antibodies
Fibrinogen blood clotting protein
hemoglobin Hgb, Hb, HBG gives erythrocytes their red color, blood protein
Spleen removes worn out erythrocytes, iron can be reused and Bilirubin is waste product disposed of by the liver
Granulocytes have granules in cytoplasm, three types of Leukocytes are granulocytes
Agranulocytes no granules in cytoplasm, two types of Leukocytes are agranulocytes
Basophils Granulocyte; release histamine and heparin to damaged tissue
Eosinphils Granulocyte; destroy parasites and increase during allergic reaction
Neutrophils Granulocyte; important for phagocytes
Monocytes Agranulocyte; important for phagocytes
Lymphocytes Agranulocyte; provides protection through immunity
Platelets older term is thrombocyte; critical in blood clotting, hemostasis
Type A blood produces anti-B antibodies which attack type B and type AB blood
Type B blood produces anti-A antibodies which attach type A and AB blood
Type 0 Universal Donor; will not react with anti-A or anti-B antibodies
Type AB blood Universal receiver
Rh+ has Rh factor on erythrocytes, will not make anti-Rh antibodies, can recieve both Rh+ and Rh- blood transfusion
Rh- does not have Rh on erythrocytes, will produce anti-Rh antibodies, can only receive Rh- blood transfusions
hemorrage rapid flow of blood
fibrinogen fiber producing
fibrinolysis fiber destruction
fibrinous pertaining to fibers
hemolysis, hemolytic blood destruction
hematologist blood specialist
erythrocytosis too many red cells
leukocytosis too may white cells
thrombocytosis too many clotting cells
erythropenia to few red cells
leukopenia too few white cells
thrombopenia too few clotting cells
pancytopenia too few all cells
blood clot hard collection of fibrin, blood cells and tissue debris, end result of hemostasis
coagulate to convert a liquid to a solid; as in blood clotting
dyscrasia general term for disease affecting blood
hematology branch of medicine specializing in blood conditions; physician is a hematologist
hematoma collection of blood under skin as a result of blood escaping into tissue from damaged blood vessels
hemostatsis to stop bleeding or stagnation of blood flow through tissues
packed cells transfusion of only blood cells without cells
whole blood mixture of both plasma and formed elements
hemophilia genetic disorder, blood fails to clot due to lack of one clotting factor
hyperlipidemia excessive level of lipids in the blood stream, risk factor for atherosclerosis
anemia group of conditions characterized by a reduction in number of RBCs or the amount of hemoglobin; results in less oxygen reaching tissues
aplastic anemia severe anemia in which red bone marrow stops making sufficient blood cells; may require bone marrow transplant
hemolytic anemia results from exessive loss of RBCs
iron deficiency anemia results from insufficient amount of iron to make hemoglobin for RBCs
pernicious anemia insufficient absorption of vitamin B12; unable to make enough RBCs
Polycythemia vera condition of having too many RBCs; blood is too thick and flows sluggishly
sicke cell anemai gentetic disorder where RBCs take on abnormal sicke shape; become more fragile leading to hemolytic anemia
leukemia cancer of white blood cell-forming portion of red bone marrow; results in large number of abnormal and immature WBCs cirulating in blood stream
Blood culture & sensitivity (C&S) blood is incubated to identify infecting bacteria and then test determines best antibiotic to use
complete blood count (CBC) set of blood tests; RBC count, WBC count, hemoglobin, hematocrit, white blood cell differential, and plateet count
erythrocyte sedimentation rate (ESR) determines rate at which RBCs settle in a test tube; indicates presence of inflammation in body
Hematocrit (HCT, Hct, crit) measures volume of RBCs
hemoglobin test (Hgb, Hb) measures how long needed for blood to coagulate and form a clot
red blood cell count (RBC) measures number of RBCs
White blood cell count (WBC) measures number of leukocytes
white blood cell differential (diff) determines the number of each type of WBC
Created by: dfargo