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Bacteriology > Non enteric > Flashcards

Non enteric Flashcards

1
Q

Non glucose fermenter Vibrio sp.

A

Vibrio metschnikovii

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2
Q

Vibrio flagella

A

Monotrichous flagella (Shooting star motility)

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3
Q

Strring test reagent

A

0.5% sodium deoxycholate

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4
Q

Vibriostatic agent 0/129

A

2,4 diamino-6,7 diisopropyl pteridine

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5
Q

Vibriostatic disk

A

150 ug

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6
Q

V. cholerae serotypes 01

A

Ogawa (A,B) - India
Inaba (A,C) - Philipppines
Hikojima (A,B,C) - Japan

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7
Q

Vibrio spp. optimum temperature for growth

A

42C

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8
Q

responsible for the massive

amount of water and electrolytes loss

A

Cholera toxin or choleragen

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9
Q

oxidase negative Vibrio spp.

A

Vibrio metschnikovii

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10
Q

Lactose fermenter Vibrio sp.

A

V. vulnificus

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11
Q

High-salt mannitol medium

A

Wagatsuma agar

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12
Q

What vibrio sp. shows Kanagawa phenomenon

A

V. parahaemolyticus

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13
Q 
Gram negative
Oxidase positive
Nitrate Reduction
Motile
Non Inositol Fermenter
Vibriostatic agent 0/129 susceptible
Facultative anaerobe
A

Vibrio spp.

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14
Q

String test positive vibrio sp.

A

V. cholerae

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15
Q

Antimicrobial agent for diarrhea

A

doxycycline (+azithromycin & ciprofloxacin if resistant)

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16
Q

Primary cause of summer diarrhea in Japan

A

V. parahaemolyticus

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17
Q

Strict halophile vibrio sp.

A

V. alginolyticus

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18
Q

Holding medium appropriate for Vibrio and Campylobacter

A

Cary-Blair to prevent dessication

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19
Q

Not recommended transport/holding medium for Vibrio and enteric Campylobacter

A

Buffered glycerol saline

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20
Q

Viable specimen up to 5 weeks (Vibrio spp.)

A

Strips of blotting paper soaked in liquid stol and placed in airtight plastic bags with a few drops of saline to maintain moisture

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21
Q

Recommended selective differential media for Vibrio spp.

A

Thiosulfate Citrate Bile Salt agar

22
Q

Smooth, opaque, and iridescent with a greenish hue in SBA or chocolate agar

A

Vibrio spp.

23
Q

Non sucrose fermenter vibrio spp.

A

V. parahaemolyticus

most V. vulnificus strains

24
Q

Vibrio spp. that doesn’t grow on TCBS

A

Grimontia hollisae (formerly vibrio)

25
Q 
Gram negative
Oxidase positive
Indole positive
Motile
Non inositol fermenter
Vibriostatic agent 0/129 resistant
Facultative anaerobe
A

Aeromonas

26
Q

Aeromonas mesophilic group

A

A. hydrophila
A. veronii
A. cavaiae

27
Q

Aeromonas psychrophilic group

A

A. salmonicida

28
Q

Traveler’s diarrhea (similar to enterotoxigenic E. coli)

A

Nebulous syndrome

29
Q

Lactose fermenter aeromonas sp.

A

A. caviae

30
Q

SBA B-hemolysis Aeromonas spp.

A

A. hydrophila
A. veronii biovar sobria
A. jandaei

31
Q

Large, round, raised, opaque colonies with an entire edge and a smooth, often mucoid surface

A

Aeromonas

32
Q

White to buff-colored pigmentation

A

Aeromonas

33
Q

Pink centered colonies in CIN medium from mannitol fermentation with an uneven, clear apron resembling yersinia enterocolotica

A

Aeromonas

34
Q 
Gram negative
Oxidase positive
Motile
Inositol fermenter
Vibriostatic agent 0/129 susceptible
Facultative anaerobe
A

Plesiomonas

35
Q

Shiny, opaque, nonhemolytic colonies with a slightly raised center and a smooth, entire edge

A

Plesiomonas

36
Q

Enhances the isolation of plesiomonads

A

Inositol brilliant green bile agar

37
Q

Opaque (non-mannitol fermenting) colonies with an opaque apron in CIN medium

A

Plesiomonas

38
Q

Differentiation of Enteric bacteria from non enteric bacteria

A

Enterobacteriaceae is oxidase negative while non enteric bateria is oxidase positive

39
Q 
Gram negative
Capnophilic
Motile
Sodium Hippurate Hydrolysis positive
Urease negative
Microaerophilic (5% 02)
A

Campylobacter

40
Q

Plesiomonas flagella

A

Monotrichous or 2-5 lophotrichous flagella

41
Q

Campylobacter flagella

A

One polar flagellum

Motility on hanging drop preparations or when visualized under phase contrast microscopy

42
Q

Causes abortion in domestic animals, zoonotic organisms

A

Campylobacter

43
Q

Associated with Guillain-Barre Syndrome

A

Campylobacter

44
Q

Most common cause of bacterial gastroenteritis

A

Campylobacter jejuni

45
Q

Optimal growth for C. jejuni and other enteric campylobacters

A

42C

46
Q

Recovered from biopsy materials

A

H. pylori

47
Q

Transport medium of H. pylori

A

Stuart medium

for tissue samples: cysteine-brucella broth with 20% glycerol frozen at -70C

48
Q

Moist, runny looking and spreading, usually non hemolytic; some are round and raised, others may be flat

A

C. jejuni and other enteric campylobacters

49
Q

Smooth, convex, translucent colonies

A

C. fetus subsp. fetus

50
Q

Dirty yellow pigment

A

C. mucosalis & C. hyointestinalis

51
Q

Non invasive indirect test for campylobacter

A

urea breath test

Bacteriology (10 decks)

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