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Chpt 8 Terms
Terms
| Question | Answer |
|---|---|
| anisocytosis | condition characterized by a great inequality in the size of red blood cells |
| antigen | substance that causes body to produce antibodies |
| apheresis | general term for a process, similar to dialysis, that draws blood, removes something from it, then returns the rest of the blood to the patient |
| aplastic anemia | anemia caused by red blood cells not being formed in sufficient quantities |
| asplenia | absence of a spleen or spleen function |
| bilirubinemia | the presence of bilirubin (red bile; a substance derived from red blood cells that have completed their life span) in the blood |
| cytapheresis | apheresis to remove cellular material |
| deep vein thrombosis | the formation of a blood clot deep in the body, most commonly in the leg |
| ecchymosis | large bruise |
| elliptocyte | oval-shaped red blood cell |
| elliptocytosis | condition characterized by an increase in the number of oval-shaped red blood cells |
| embolism | blockage in a blood vessel caused by an embolus |
| embolus | mass of matter present in the blood |
| hematocrit | test to judge or separate the blood; used to determine the ratio of red blood cells to total blood volume |
| hematopoesis | formation of blood cells |
| hemoglobin | iron-containing pigment in red blood cells that carries oxygen to the cells |
| hemolytic anemia | anemia caused by the destruction of red blood cells |
| hemophilia | condition in which the blood doesn't clot, thus causing excessive bleeding |
| hemorrhage | excessive blood loss |
| hemostatic | drug that stops the flow of blood |
| hypervolemia | increased blood volume |
| hypoperfusion | inadequate flow of blood |
| immunocompromised | having an immune system incapable of responding normally and completely to a pathogen or disease |
| immunodeficiency | immune system with decreased or compromised response to disease-causing organisms |
| immunoglobulin | protein that provides protection (immunity) against disease |
| iron deficiency anemia | anemia caused by inadequate iron intake |
| ischemia | blockage of blood flow to an organ |
| lymphangiectasia | dilation of a lymph vessel, normally noticed by swelling in the extremities |
| macrocytosis | condition characterized by large red blood cells |
| microcytosis | condition characterized by small red blood cells |
| myelodysplasia | disease characterized by poor production of blood cells by the bone marrow |
| neutropenia | deficiency in neutrophil |
| oligocythemia | deficiency in the number of red blood cells |
| pancytopenia | deficiency in all cellular components of the blood |
| perfusion | circulation of blood through tissue |
| petechia | small bruise |
| phagocytosis | process in which phagocytes (a type of white blood cell) destroy (eat) foreign microorganisms or cell debris |
| phlebarteriectasia | dilation of blood vessels |
| plasmapheresis | apheresis to remove plasma |
| poikilocytosis | condition characterized by red blood cells in a variety of shapes |
| polycythemia | excess of red blood cells |
| reperfusion injury | injury to tissue that occurs after blood flow is restored |
| reticulocyte | immature red blood cell |
| septicemia | presence of disease-causing microorganisms in the blood |
| spherocyte | red blood cell that assumes a spherical shape |
| sphygmomanometer | fancy name for device used to measure blood pressure |
| thromboembolism | blockage of a vessel (embolism) caused by a clot that is broken off from where it formed |
| thrombus | blood clot |
| transfusion | infusion into a patient of blood from another source |
| thymic hyperplasia | overdevelopment of the thymus |