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Microbiology > Glucose Non Fermenting Gram Negatives > Flashcards

Glucose Non Fermenting Gram Negatives Flashcards

1
Q

Pseudomonas aeruginosa

A

beta hemolytic
possible metallic sheen or mucoid
grape or frito odor
pigment production - pyoverdine, pyocyanin, pyorubin

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2
Q

Pseudomonas aeruginosa ID

A 
oxidase (+)
arginine (+)
motility (+)
growth 42C (+)
nitrate (+)
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3
Q

Alginate virulence factor

A

adhere and form biofilms

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4
Q

Pili virulence factor

A

surface appendages that adhere organisms to cells

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5
Q

Enterotoxin virulence factor

A

leads to diarrhea

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6
Q

LPS virulence factor

A

produce endotoxin causing DIC, shock, fever

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7
Q

Exotoxin virulence factor

A

tissue destruction, inhibition of protein synthesis

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8
Q

Phospholipase virulence factor

A

destroys pulmonary surfactant and cytoplasmic membrane

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9
Q

Elastase virulence factor

A

disrupts neutrophil activity

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10
Q

Pyocyanin virulence factor

A

siderophore - strips iron from the host, disrupts respiratory cilia and causes damage to tissue

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11
Q

Pseudomonas infection

A

swimmers ear

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12
Q

Pseudomonas stutzeri ID

A 
produces pyorubin pigment
Oxidase (+)
arginine (+)
motility (+)
growth 42C (+)
TSI K/K
nitrate (+)
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13
Q

Stenotrophomonas maltophila

A

creamy pale yellow to lavender grey colonies
lysine (+)
motility (+)
TSI K/K

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14
Q

Alcaligenes faecalis

A

may detect fruity odor
greenish discoloration
spreading colony edge

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15
Q

Alcaligenes faecalis ID

A 
oxidase (+)
motility (+)
growth 42C (+)
TSI K/K
nitrite (+)
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16
Q

Acinetobacter baumannii ID

A

growth 42C (+)
TSI K/K
combat associated infections

17
Q

Burkholderia cepacia ID

A

oxidase (+)
lysine (+)
motility (+)
TSI K/K

18
Q

Burkholderia cepacia media

A

PCM
OFPBL
BCSA

19
Q

Burkholderia pseudomallei ID

A 
oxidase (+)
arginine (+)
motility (+)
growth 42C (+)
TSI K/K
nitrate (+)
nitrite (+)
20
Q

Burkholderia pseudomallei

A

Vietnamese time bomb

21
Q

Elizabethkingia

A

oxidase (+)
TSI K/K
indole (+)
nitrite (+)

22
Q

Elizabethkingia infection

A

highly infectious in neonates

meningitis with 55% mortality rate

Microbiology (37 decks)

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