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15 Cards in this Set
- Front
- Back
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What type of bacteria is Salmonella?
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Gram - rod
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Does Salmonella ferment lactose?
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No
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What bacteria has tree naming systems?
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Salmonella
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How many Salmonella are required to produce disease?
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around 100,000
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Where does Typhoid normally invade?
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LIver, Gall bladder, and spleen
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What type of bacteria causes Typhoid?
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Salmonella Typhi
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How is Salmonella treated?
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Self limiting desease. Most commonly fluid and electrolyte replacement is sufficient.
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What factors distinguish shigella from salmonella?
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No H2S production, non motile, no gas production from fermentation of glucose
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How many shigella are required to illicit disease?
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as few as 100. Shigella are the most effective pathogens among enteric bacteria.
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What is the resivoir for shigella?
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Human only. NO animal carriers.
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What are the principle vectors of transmission for shigella?
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The four F's: Fingers, Flies, Food, Feces
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Do Shigella often penetrate the intestinal wall?
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Nope
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Where do Shigella most often colonize?
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Distal Ilium and Colon
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What is the cause of disease in Shigella?
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Invasion of tissues. Strains that do not produce toxin but are invasive still cause disease. Whereas those who produce toxin and are not invasive do not cause disease.
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What type of bacteria is shigella?
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Gram - rod enterobacteriaceae
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