Gram Neg Rods Flashcards by Hingle McCringleberry | Brainscape

Q

Glucose fermentation neg, Oxidase positive

A

Pseudomonas aeruginosa

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Q

Glucose fermentation pos, Oxidase negative

A

E.coli, P. vulgaris, K. pneumoniae, Salmonella, Shigella

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Q

Lactose fermentors

A

E.coli, K. pneumoniae

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Q

Indole positive

A

E. coli

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Q

Indole negative

A

K. pneumoniae

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Q

Sorbitol (SMAC) negative/colorless colonies

A

EHEC

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Q

Sorbitol (SMAC) positive/pink colonies

A

EIEC, ETEC

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Q

Lactose negative

A

P. vulgaris, Salmonella, Shigella

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Q

H2S negative

A

Shigella

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Q

H2S positive

A

P. vulgaris, Salmonella

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Q

Urease positive

A

P. vulgaris

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Q

Urease negative

A

Salmonella

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Q

Hektoen enteric agar tests for?

A

H2S production

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Q

Hektoen enteric agar with black colonies

A

Salmonella

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Q

Hektoen enteric agar with green colonies

A

Shigella

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