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Micro > Vibrio, Campylo, Helicobacter > Flashcards

Vibrio, Campylo, Helicobacter Flashcards

0
Q

Vibrio that causes cholera in humans

A

O1

O139

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1
Q

Difference of vibrio from entero

A

Polar flagella

Oxidase positive

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2
Q

Vibrio grows on simple media?

A

TcbS

Mac conkey

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3
Q

Halophilic?

A

V cholerae

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4
Q

2 biotypes of o1?

A

El tor

Classical

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5
Q

3 serotypes of o1?

A

Hikojima
Inaba
Ogawa
HIO

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6
Q

O1 that does not produce toxins

A

Atypical o1

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7
Q

Virulence factor of vibrio?

A

Cord factor (trehalose)

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8
Q

Lab identification of vibrio?

A

Transport media
Enricment media
Selective media
Biochem and serotests

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9
Q

Transport media of vib?

A

Cary blair

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10
Q

Enrichment of vib?

A

Alkaline peptine broth

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11
Q

Selective media?

A

Tcbs

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12
Q

Death by v cholerae

A

Hypovolemic shock

Metab acidosis

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13
Q

Virulence factor:
Hypersecretion of electrolytes?
Adherence to mucosal cells?
Induces intestinal inflamm and degen of tight junctions?

A

Cholera toxin
Pilus
Heme protease(mucinase)

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14
Q

Part of cholera toxin that binds to gm1 glanglioside receptors in SI

A

B subunit

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15
Q

Vibrio with septicemia following ingestion of raw shellfish

A

Vulnificus

16
Q

DOC for vulnificus

A

Tetracycline or aminoglycosides

17
Q

Corkscrew shaped

A

Campylobacter

18
Q

Compared to vibrio, campylobacter is?

A

(neither ferment nor oxidize carbs)

Same with h pylori

19
Q

Do not form spores?

A

Campylobacter

20
Q

Special about campylobacter? It loves what??

A

Microaerophilic
Capnophilic
Thermophilic

21
Q

Culture for campylobacter?

A

Anaerobic incubation jar

22
Q

Temp for culture of c jejuni

A

42c

23
Q

Culture for c jejuni that contains vancomycin polymyxin trimethoprim

A

Skirrows

24
Q

Sequelae of c jejuni

A

GBS

25
Q

No animal reservoir?

A

H pylori

26
Q

Rodents as animal resevoir

A

H cinaedi and fenneliae

27
Q

Strong producer of Urease

A

H pylori

28
Q

Term for 4-6 flagella at one pole for h pylori

A

Lopotrichous

29
Q

T or f? H pylori overlies intestinal type epithelial cells?

A

False, only gastric type

30
Q

What does h pylori produce to further reduce the ability of acid to diffuse to mucus

A

Urease

31
Q

Non invasive technique to detect urease activity; reflect current infection only

A

Breath test

32
Q

Immediate immune response to H pylori

A

IgG and igA

33
Q

Colonies are colorless and gray cultured

A

Campylobacter

34
Q

Colonies are transluscent and 1-2mm diameter

A

H pylori

35
Q

Uses skirriws medium

A

Pylori and campylobacter

36
Q

Stool specimen for h pylori is done for?

A

Tesr for cure

37
Q

3 antibiotics for h pylori?

A

Bismuth
Metronidazole
Teteacycline

Micro (24 decks)

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