Flashcards
bacteria
Flashcards do conjunto (8)
- 1how do bacteria cause damage?toxin producyion, tissue invasion that secrete enzymes to damage tissue
- 2What are the first lines of defence against bacteria?stomach pH, ciliary, skin, epithelial cells, lysosomes, commensal bacteria
- 3What happens to LPS produced by gram -ve bacteria?recognised by TL4 & CD14= Macrophage activation, phagocytosis, cytokines, inflammation, NK cells
- 4What peptide causes chemotaxis of phagocytes and is a bacteria product?fmet.leu.phe
- 5which bacteria can live in macrophages and how?mycobacteria tuberculosis- resistant to reactive oxides
- 6How does bacillus anthrax evade immune system?has lethal factor which partially blocks activation signals and kill macrophages by apptosis
- 7How does haemophilus influenza avoid the immune system?proteolytic degradation of secretory IgA
- 8How does chlamidia and mycobacterium avoid immune system?blocks MHc class I and II on surface
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- Descrição
- FlashCards sobre bacteria, criado por tanitia.dooley em 23-05-2013.
- Criado por
- tanitia.dooley
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