Mircobiology Of The Gi Tract Flashcards
What are some of the roles of bacteria in humans?
Synthesises and excrete vitamins, such as vitmain B12, kill non indigenous bacteria, stimulate the development of MALT, and prevent colonisaiton by pathogens, stimulate the production of natural antibodies
What happens in germ free animals?
Lack of natural immunity or antibitody means that there is a supsecibitly to bacterial infections, and a poorly developed immune system esepically in the immune tract, and also increased suspecibility to ingectous disease
What are some of the bacteria that may be present in the mouth?
Sterptoccoi, staphyloccoi, candiad, lactobaillus and enteroccosus
What cause oral thrush?
Candida albicans
What are some of the risk factors for oral thrush?
Newborns, diabetes, antibtoics, inhaled steriods,
What are some of the treatmnets for oral thrush?
Nysastosi suspenion, amphortecin lozenges
What is ludgwigs angina?
Palatine tonsil becomes infected,when it drain trhough the neck lymph nodes and usually has a stretpococcal cause
What is an organism that commonly causes partoditis?
Staph aureus
What are some of the thorat bacteria and fungi that may be present?
Strep pyogenes, strep virdans, strep pneumonia, neissera mennigitis, haemophilus influence, lactobacilli, cornybacterium diptheira, candida albicans
What are some of the bacteria that are always present in the colon?
Bacteriodes fragilis, odis, Ecoli and enterocoosu facilius
What are some of the forms of prophalyxis that you would give before surgery?
METRONIZIDE that kills anaareobes, plus of a broad specturm anitbitoic such as a celphasporin or co amixclav
What are the common causes of UTI?
Ecoli, or gram negative enteric bacteria, klebsella can lead to vagnail thrush
