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220 Unit 1
Vocabulary
Question | Answer |
---|---|
Allergen | Any substance that causes a hypersensitivity reaction or abnormal immune response, only in people sensitive to it. |
Anaphylaxis | Type I hypersensitivity reaction between alleric antigen and IgE bound to mast cells, stimulates sudden release of immunologic mediator locally or systemically, life threatening. |
Antibody | Substance produced by B lymphocytes in response to a unique antigen. |
Anti-Inflammatory | counteracting inflammation suppresses or treats inflammatory diseases or conditions. |
Antipyretic | reduces fever |
Atrophy | wasting, decrease in size of organ or tissue. |
Autoimmunity | Body's tolerance of antigens present on its own cells. |
Cell Mediated Immunity | regulatory and cytotoxic activities of T cells during specific immune response. About 36 hours to reach full effect. |
Clostridium difficile | species causes watery diarrhea, fever, anorexia, ABD pain, sometimes pseudomembranous colitis esp in patients treated wtih antibiotics or confined to hospital |
Acid-Fast Bacilli | bacillus not readily decolorized by acids or other means when stained. |
Complement | Group of proteins, play vital role in body's immune defenses through a cascade of interactions. C1-C9. Acts by directly lysing organisms. |
Dysplasia | Abnormal development of tissue. |
HIV | Human Immunodeficiency Virus. Retrovirus of subfamily lentivirus that causes acquired immunodeficiency syndrome. |
Immunocompetence | Ability of body's immune system system to respond to pathogenic organisms and tissue damage. |
Hypersensitivity | Abnormal sensitivity to stimulus of any kind. |
Leukocytosis | Increase in number of leukocytes in blood. Commonly in disease processes with infection. |
Lymphocytes | WBC responsible for much of the body's immune protection. Less than 1% present in circulatng blood, the rest in lymph nodes, spleen and other lymph organs. |
Macrophage | Monocyte that left circulation, settled and matured in a tissue. Large quantities in lymph organs. |
Mantoux | test for TB |
MRSA | methicillin resistent staph aureus |
Necrosis | Death of cells, tissues or organs |
Neutropenia | presence os abnormally small number of neutrophils in the blood, usually less than 1500-2000. |
Nosocomial | occurring in a health care setting. |
Shift to the Left | Increase in immature leukocytes. |
VRE | vancomycin resistent enterococcus |
VRSA | vancomycin resistent staph aureus |
Western Blot | test to analyze protein antigens. detects small amounts of antibodies. |