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Patho - Disease
Cluster 2
| Question | Answer |
|---|---|
| Infection | Colonization by micro-organisms which produce disease |
| Infectious disease | Results when the infecting micro-organism interferes with the normal activity of the affected tissue |
| Indirect Contact (4 types) | Foodborne Airborne Vectors Fomites |
| Localized colonies produce ________ | Abscess |
| Tropism | Colonies that are selective as to tissue |
| Types of invasiveness (4 types) | Lymphatic spread Hematogenous dissemination Ability to penetrate membranes Ability to penetrate between cells |
| Mechanical Defenses Against Infection (5 kinds) | Intact skin Mucous membranes Cilia Washing Peristalsis |
| Microorganism's defenses against host (4 types) | Capsules Invasiveness Production of Fibrin "shields" Growth and Reproduction Intracellularly |
| Viruses: How They Cause Disease (3) | 1. Bind to cell receptor 2. Internalization (entry of virus into the cell) 3. Use of viral genetic info to redirect cell activity |
| Bacteria: How They Cause Disease (5) | 1. Intracellular growth 2. Bind to Specific Cell Receptors 3. May produce toxins, other products 4. May produce abcesses 5. Chronic infection produces granulomas |