Enterobacteria Flashcards

1
Q

Also known as friedlander’s bacillus

Causes lobar pneumonia

A

Klebsiella pnemoniae

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2
Q

How would you differentiate klebsiella oxytoca from pneumoniae

A

Indole test

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3
Q

This cause granuloma inguinale

A

Klebsiella granulomatis

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4
Q

What bacteria can produce dnase, lipase and gelatinase

A

Serratia

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5
Q

What is the second most common cause of uti

A

Proteus mirabilis

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6
Q

What enterobacteria exhibits a swarming growth on blood agar

A

Proteus vulgaris and mirabilis

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7
Q

What can cross react with rickettsiae

A

Proteus species

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8
Q

What exotoxin activayes adenyl cyclase

A

LT1 and LT2

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9
Q

What activates guanylate cyclase

A

Sta and stb

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10
Q

Infant diarrhea

A

Epec

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11
Q

Traveller’s diarrhea

A

Etec

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12
Q

Hemorrhagic collitis

A

Ehec

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13
Q

Pathogenecity of epec

A

Attachment effacement

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14
Q

Pathogenicity etec

A

LT1 and LT2

sta and stb

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15
Q

Pathogenicity of ehec

A

Shigatoxin

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16
Q

Pathogenecity of eiec

A

Ulceration of intestinal mucosa

17
Q

Also known as bacillary dysentery

A

Shigella

18
Q

Most severe form of shigella

A

Shigella dysenteriae

19
Q

Best specimen for shigella

A

Rectal swab of an ulcer

20
Q

Incubation period of salmonella

A

8-48 hours

21
Q

Best specimen for salmonella

A

Blood or bone

22
Q

After the 2nd week what type of specimen do you use for salmonella culture

A

Stool or urine

23
Q

Drug of choice for salmonella

A

Ceftriaxone

Ciproflaxin

24
Q

Zoonotic enterobacteriacae

A

Yersinia enterocolitica

25
Q

Manifestation of yersinia enterocoliticis

A

Bloody diarrhea

Mimics appendicitis