click below
click below
Normal Size Small Size show me how
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 |