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pathology set 2 quiz 1
| Question | Answer |
|---|---|
| Mutations | alterations in the DNA structure that may become permanent hereditary changes |
| Pneumocystis carini | sudden onset pneumonia with rapid progression to diffuse lung involvement, common to 60% of AIDS cases |
| Malignant | poorly differentiated cancerous cells invading or metastasizing other tissues |
| Polyp | epithelial tumor which grows as a projecting mass |
| Anaplastic | without form |
| Dysphagia | difficulty swallowing |
| Anaphylaxis | reactions characterized characterized by hypotension and vascular collapse with urticaria, bronchospasm; laryngeal edema. |
| Benign | localized tumors closely resembling their cells of origin |
| Staging | determination of the amount of spread of a neoplasm (for therapy of prognosis) |
| Neoplasia | any new abnormal growth (esp. uncontrolled and progressive) |
| Sarcoma | highly malignant tumors arising from connective tissues |
| Lipoma | tumor composed of fat |
| Seeding | diffuse spread of cancers that occurs hen neoplasms invade a natural body cavity |
| Lymphatic spread | major metastatic route of carcinogens |
| Hematogenous spread | tumor emboli that spread via the bloodstream |
| Antigen | foreign invading body |
| Antibody | immunoglobulin formed to counteract antigens |
| Natural immunization | immunization my exposure of the individual to the disease |
| Artificial immunization | immunization by vaccine |
| Active artificial immunity | a person forms antibodies as a response to a vaccine or toxoid |
| Passive artificial immunity | administered dose of antibodies derived form an animal. |
| Vaccine | low dose of dead or deactivated bacteria or viruses |
| Toxoid | chemically altered toxin |