Flashcards
Pathogens and Disease
Flashcards do conjunto (9)
- 1What are the properties of Endotoxins?- Only in gram negative bacteria
- Stimulate macrophages of cytokines to a high level which causes damage
- They can stimulate blood clotting
- All symptoms of endotoxins are the same - 2What are the reservoirs of infection?- Animals
- Infected hosts
- Non-living reservoirs e.g. water and soil - 3What are the properties of exotoxins?- Found in both bacterial strains
- Many are enzymes which destroy parts of the cell
- Disease is caused by the toxin and not by the bacteria itself - 4What is Mutualism?When both organisms in a relationship are interdependent and both benefiting.
- 5What are the means of transmission for pathogens?- Direct
- Indirect
-Droplet
-Biological
- Vehicle
- Airborne - 6What is toxaemia?Toxins within the blood
- 7What are the requirements for pathogenicity?- Transmitted from a reservoir
- Entrance into the body
- Invasion target cells or organs
- Have a means of exit
- Produces a molecule which deleteriously effects the host - 8What is toxigenicity?The capacity of bacteria to produce toxins.
- 9What is commensalism?Where an organism within a relationship benefits whilst the other remains unaffected.
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- FlashCards sobre Pathogens and Disease, criado por Harry Riley em 26-10-2015.
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- Harry Riley
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