Term
| E. coli, Shigella, and Salmonella all cause disease in which system? |
|
Definition
|
|
Term
| are normal flora opportunistic? |
|
Definition
| they are ALWAYS opportunistic |
|
|
Term
| can E. coli infect the urinary tract? |
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Definition
|
|
Term
| what gram stain do enterobacteriaceae have? |
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Definition
|
|
Term
| what bacterial structre are H antigens found on? |
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Definition
|
|
Term
| where do you find K antigens? |
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Definition
|
|
Term
| where do you find O antigens? |
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Definition
| on the oligosaccharide associated with the LPS |
|
|
Term
| do enterobacteriaceae produce exotoxins? |
|
Definition
|
|
Term
| where do you find Vi antigens? |
|
Definition
|
|
Term
| do enterobacteriaceae produce endotoxins? |
|
Definition
| Yes, they are Gram-, thus death = release of LPS |
|
|
Term
| can salmonella and e. coli be transmitted from animals to humans? |
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Definition
|
|
Term
| can shigella be transmitted from animals to humans? |
|
Definition
| NO--only humans to humans |
|
|
Term
| what type of infection (toxigenic vs. invasive) produces watery diarrhea? |
|
Definition
|
|
Term
| what type of infection (toxigenic vs. invasive) produces bloody diarrhea? |
|
Definition
|
|
Term
| is Shigella part of normal flora? |
|
Definition
|
|
Term
| is E. coli part of normal flora? |
|
Definition
|
|
Term
| which Shigella species is responsible for 80% of all Shigella infxns in the USA? |
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Definition
|
|
Term
| What is a Type III secretion system? |
|
Definition
| a protein with a syringe on it that can inject toxins into a cell that it attaches to. |
|
|
Term
| what is the name of the enterotoxin (exotoxin secreted in the intestines) that S. dysenteriae produces? |
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Definition
|
|
Term
| do you see bloody stools in shigella infections? |
|
Definition
|
|
Term
|
Definition
| painful straining to pass stools |
|
|
Term
| cramps, tenesmus, freq. small volume bloody mucoid fecal discharge are all indicative of what? |
|
Definition
|
|
Term
| does shigella have an animal reservoir? |
|
Definition
|
|
Term
| what are the two major classifications of Salmonella? |
|
Definition
| S. enterica (typhimuriam) and S. typhi |
|
|
Term
| is Salmonella part of the normal flora? |
|
Definition
|
|
Term
| T/F: salmonella occurs naturally in many reptiles and doesn't make them sick |
|
Definition
|
|
Term
| what is the leading cause of salmonella infection in industrial societies? |
|
Definition
|
|
Term
| T/F: centralized manufacturing and nationwide shipping cause widespread outbreaks. |
|
Definition
|
|
Term
| what bug causes Typhoid Fever? |
|
Definition
|
|
Term
| Does S. typhi infect one or many organs? |
|
Definition
|
|
Term
|
Definition
| cook who was immune and spread disease |
|
|
Term
| where can you isolate typhoid bacilli? |
|
Definition
|
|
Term
| what virulence factors used by E. coli form the basis for their classification? |
|
Definition
| Enteropathogenic(EPEC), Enterotoxigenic(ETEC), Enterohemorrhagic(EHEC), Enteroaggregative(EAEC, Enteroinvasive(EIEC) |
|
|
Term
| during UTI with E. coli, what type of pili do the bugs have to prevent it from being voided? |
|
Definition
| P-pili (found in the uropathic strain) |
|
|
Term
|
Definition
|
|
Term
| where is EPEC's site of action? |
|
Definition
|
|
Term
| what is the most often cause of traveler's diarrhea? |
|
Definition
| ETEC - enteropathogenic E. coli |
|
|
Term
| where is the site of action for ETEC? |
|
Definition
|
|
Term
| what is the site of action for EHEC? |
|
Definition
| large intestine. (most common serotype is 0157:H7) |
|
|
Term
| where is the site of action for EAEC? |
|
Definition
|
|
Term
| where is the site of action for EIEC and can it cause bacillary dysentery? |
|
Definition
| large intestine, and yes. |
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