Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
Positive ONPG |
Yellow coloration to disk |
|
|
Positive Indole |
MIO tube: RED, Spot: Turquiose |
|
|
Positive Urease |
Bright pink |
|
|
Positive PAD |
Dark green color |
|
|
Positive Citrate |
Blue coloration |
|
|
Positive Decarboxylase |
Purple for Alkaline |
|
|
Positive DNase |
Pink around colonies |
|
|
Positive VP-MR |
Red color |
|
|
Positive Nitrate |
Red color |
|
|
What does K and A refer to in a TSI? |
A Acidic= yellow K Alkaline= red |
|
|
Organisms that cause H2S production on TSI |
Proteus Salmonella Citrobacter fruendii Edwardsiella |
|
|
Sucrose nge, lactose neg (K/A) |
Salmonelaa , Shigella |
|
|
Organisms that are considered intestinal pathogens |
Escherichia coli, shigella, salmonella, yersinia |
|
|
TSI reactions not produced by enterobacteriaeae |
A/K, K/K |
|
|
EHEC causes... |
Watery diarrhea progressing to bloody diarrhea |
|
|
O157:H7 tests: |
SMAC - colorless colonies MUG - negative Latex - positive Confirm with Chromagar |
|
|
Lactose positve organisms are generally... |
Negative PAD and Oxidase |
|
|
E. Coli characteristics |
Lac Pos with bile ppt Indole + Citrate - *only organism that does this* |
|
|
Enterobacter characteristics |
Ornithine + Citrate + |
|
|
Citrobacter freundii characterisitcs |
Ornithine - Citrate + H2S + |
|
|
Citrobacter koseri |
Ornithine + Citrate + H2S - |
|
|
Klebsiella characteristics |
K. Pneumoniae indole - K. Oxytoca indole + |
|
|
Serratia charcaterisitcs |
DNase positive (pink) |
|
|
Proteus characterisitcs |
Vulgaris. Indole + ornithine - Mirabilis. Indole - ornithine + |
|
|
Morganella |
Ornithine + |
|
|
Lactose - & ONPG - |
Morganella, Proteus, Providienca, Salmonella |
|
|
Providencia characteristics |
Urease variable Ornithine - |
|
|
Shigella characteristics |
HEA: Green colonies due to lactose and sucrose negative Biochemically inert |
|
|
Salmonella |
HEA: Black colonies due to H2S production |
|
|
Yersinia characteristic |
Urease + CIN agar |
|
|
Tribe Proteeae |
Proteus, providencia, morganella |
|
|
Bacillary dsyentery |
Shigella dysenteriae |
|
|
Name salmonella species |
Salmonella enterica Salmonella seritype typhi |
