506852
Description
Flashcards by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
almost 12 years ago
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| Question | Answer |
| Agent | Organism that causes disease in the host |
| Host | Organism in which infection takes place |
| Colonisation | Where agent is present but not causing infection |
| Infection depends on 2 things | Pathogen Virulity and Host Immunity |
| Primary Pathogen | Can cause infection in healthy host |
| Opportunistic Infection | Can only cause infection in immunocompromised host |
| Compliment Effect/ Oponisation | Compliment proteins binds to bacteria and make it visible to neutraphils |
| Exotoxin | Toxin released during bacterial life cycle |
| Endotoxin | Toxin released as bacterial cell wall is broken down |
| Virulence Factor | Molecules secreted/expressed by bacteria that allow them to better infect the host |
| Source | Where infectious agent is first obtained i.e. another person, water... |
| Resevoir | Area outside of host where agent can propagate freely |
| Portal of Exit | How agent leaves source |
| Portal of entry | How agent enters host |
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