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40 Cards in this Set
- Front
- Back
active immunity
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a long-lasting immunity that results from stimulating the body to produce its own antibodies; developed either naturally, in response to infection, or artificially, in response to the administration of a vaccine
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anemia
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a condition of reduced numbers of red blood cells, hemoglobin, or packed red cells in the blood, resulting in a diminished ability of red blood cells to transport oxygen to the tissues
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anisocytosis
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presence of red blood cells of unequal size
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antibody
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a substance produced by the body that destroys or inactivates an antigen that has entered the body
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autoimmune disease
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any disorder characterized by abnormal function of the immune system that causes the body to produce antibodies against itself, resulting in tissue destruction or loss of function
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basophil
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a granular leukocyte, named for the dark stain of its granules, that brings anticoagulant substances to inflamed tissues
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bone marrow aspiration
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needle aspiration of bone marrow tissue for pathologic examination
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bone marrow biopsy
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pathologic examination of bone marrow tissue
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cross-matching
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method of matching a donor's blood to the recipient by mixing a sample in a test tube to determine compatibility
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eosinophil
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a granular leukocyte, named for the rose-colored stain of its granules, that increases in allergic and some infectious reactions
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erythrocyte
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red blood cell; transports oxygen and carbon dioxide
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hematocrit
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a measurement of the percentage of packed red blood cells in a given volume of blood
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hemochromatosis
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hereditary disorder with an excessive buildup of iron deposits in the body
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hemoglobin
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a test to determine the blood level of hemoglobin
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hemolysis
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breakdown of the red blood cell membrane
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immunocompromised
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impaired immunologic defenses caused by an immunodeficiency disorder or by therapy with immunosuppressive agents
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immunosuppression
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impaired ability to provide an immune response
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leukemia
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chronic or acute malignant disease of the blood-forming organs, characterized by abnormal leukocytes in the blood and bone marrow
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leukocyte
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white blood cell; protects the body from harmful invading substances
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lymphadenopathy
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enlarged lymph nodes
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lymphadenotomy
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removal of a lymph node
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lymphocyte
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an agranulocytic leukocyte that is active in the process of immunity
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lymphoma
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any neoplastsic disorder of lymph tissue, usually malignant
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microcytosis
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presence of small red blood cells
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monocyte
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an agranulocytic leukocyte that performs phagocytosis to fight infection
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neutropenia
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a decreased number of neutrophils
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neutrophil
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a granular leukocyte, named for the neutral stain of its granules, that fights infection by swallowing bacteria
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pancytopenia
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an abnormally reduced number of all cellular components in the blood
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passive immunity
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a short-lasting immunity that results from foreign antibodies that are conveyed either naturally, through the placenta to a fetus, or artificially, by injected of a serum containing antibodies
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plasma
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liquid portion of the blood and lymph; contains water, proteins, and cellular components
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platelets
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thrombocytes; cell fragments in the blood that are essential for blood clotting
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Rh factor
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presence or lack of antigens on the surface of red blood cells, which causes a reaction between Rh-postive blood and Rh-negative blood
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Rh negative
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absence of antigens
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Rh positive
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presence of antigens
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septicemia
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systemic disease caused by infection with microorganisms and their toxins in circulating blood
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serum
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liquid portion of the blood that remains after clotting
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splenomegaly
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enlargement of the spleen
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splenectomy
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removal of the spleen
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thromboctyopenia
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an abnormally decreased number of platelets in the blood, impairing the clotting process
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thymus
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primary gland of the lymphatic system, located within the mediastinum, that helps to maintain the body's immune response by producing T lymphocytes
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