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Chapter 13
Active/Passive Immunity + Hypersensitivity
| Term | Definition |
|---|---|
| Active Immunity | The individual produced antibodies against the antigen. |
| Passive Immunity | The individual receive prepared antibodies from another person. |
| Immunizations/vaccines | Substances that contain antigens to which the immune system responds. A form of active immunity. |
| Monoclonal antibodies | Identical antibodies that are produced from one type of B-cell. |
| Allergies | Hypersensitivities to a substance such as pollen or animal hair. |
| IgE mediated allergic response (Immediate allergic response) | An immediate response that leads to a release of histamine. |
| Anaphylactic Shock | Occurs as a result of an immediate allergic response where an allergen is in the blood stream. This can be deadly due to a drop in blood pressure. Epinephrine injection can help counter the anaphylactic shock. |
| T-cell mediated allergic response | Initiated by memory T-cells, sometimes called a delayed response. Not as an intense of a reaction. |
| Immunosuppressive drugs | Drugs used to prevent tissue rejection or autoimmune disease. These drugs are useful in organ transplants so the body does not reject the newly implanted organ. |
| Autoimmune disease | A disease where cytotoxic T-cells or antibodies attack the bodies own cells as if they are foreign. Examples include: myasthenia gravis, multiple sclerosis, rheumatoid arthritis, and Crohn's disease. |