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Stack #222851
Stack #222851-MLT-124 Exam III
Question | Answer |
---|---|
motile swarmer | Proteus |
mucoid, non-motile | Klebsiella |
indole positive lactose fermenter | E. coli |
red pigmented colonies | Serratia |
H2S positive pathogen | Salmonella |
Sorbitol negative pathogen | E.coli 0157:H7 |
citrate positive, confused with E. coli | Citrobacter |
test to speciate Proteus | indole |
bullseye on CIN agar | Yersinia |
Clear, H2S negative on HE agar | Shigella |
TSI K/A sugars used | glucose only |
TSI A/A sugars used | glucose, lactose and/or sucrose |
test - slow LF versus non-LF | ONPG |
test - differentiate Enterobacter and Klebsiella | urease, motility, lysine |
test - differentiate Citrobacter and E.coli | indole, citrate |
differentiate Providencia and Proteus | swarming |
differentiate P. mirabilis and vulgaris | indole test |
differentiate Salmonella and Shigella | H2S test |
causes nosocomial pneumonia | Klebsiella |
causes septicemia in heroin users | Serratia |
causes UTI associated with kidney stones | Proteus |
Most common cause of UTI, esp. women | E. coli |
Causes bubonic plague | Yersinia pestis |
Causes common food poisoning, typhoid fever | Salmonella |
pathogen causes dysentery | Shigella |
E.coli in traveler's diarrhea | ETEC |
E. coli in bloody diarrhea | EHEC, E. coli 0157:H7 |
pivotal test in GNB testing | Oxidase |
test for enzyme tryptophanase | Indole |
tests for sole carbon source | citrate, malonate |
nitrate reaction = yellow with gas bubbles | nitrate -> nitrite-> N2 gas |