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Microbiology -Medical-Prof > Enterobacteriaceae > Flashcards

Enterobacteriaceae Flashcards

1
Q

common characteristics of enterobacteriaceae ??

A
  • facultative anaerobes
  • oxidase -
  • fermant glucose
  • reduce nitrates to nitrites

219

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2
Q

other features of E ?/

A
  • G - rods
  • motile with peritrichous flagella
  • catalase +
  • grow-bile containing MacConkey agar media

219

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3
Q

only capsulated E ??

A

klebsiella

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4
Q

Non motile E ??

A

SKY
Shigella
Klebsiella
Yersinia

219

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4
Q

lactose fermented rapidly E ??

A

Klebsiella
E coli
Enterobacter

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5
Q

lactose non-fermenter ?/

A

shigella
salmonella
proteus

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6
Q

Lactose F slowly ?/

A

serratia
vibrio

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7
Q

why Pseudomonas is not E >??

A

aerobe
doesnot ferment glucose
oxidase +
donot reduce nitrates

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8
Q

Lactose + colour in Macconkey ??

A

pink

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9
Q

colourless colony ?/

A

shigella
salmonelaa
proteus

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10
Q

Pink colony by which E in macConkey media ??

A

e coli
\klebsiella
citobacter
E

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11
Q

Diseases caused by Escherichia Coli ??

A

223

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12
Q

source of E coli in UTI ?/

A

Colonic flors

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13
Q

source of e coli in neonatal meningitis ??

A

mothers birth canal

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14
Q

properties of E coli ?

A

222

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15
Q

E coli VS Shigella /Salmonella ?/

A

SS = Donot ferment lactose

16
Q

UTI by E coli >???

17
Q

endotoxin mediated diarrhea causing baccteria ??

A

E coli
Vibrio cholerae

18
Q

Invasive inflammatory Diarrhea causing bacteria ??

A

shigella
salmonelaa\
compylobacteer jejuni
E coli O157:H7

19
Q

Classification of E coli ??

A

Enteropathogenic
Enterotoxigenic
Enteroinvasive
Enterohemorrhagic
Enteroaggregative

224

20
Q

why UTI common in women ?/

A

short urethra
proximity of urethra to the anus
colonization of the vagina by member of fecal flora

21
Q

enterohemorrhagic E coli diseases name ?

A
  • Bloody Diarrhea
  • Hemorrhagic colitis
  • Hemolytic uremic syndrome

226

22
Q

why name shiga toxin ??

A

same toxin as shigella

23
Q

e coli Butt & slant colour ?

A

Yellow
Yellow

24
Q

M/A of diarrhea by E coli ?/

25
Q

MacConkey agar media sterilization ??

A

Tyndalization - 100

26
Q

anti-microbial susceptibility test name ?/

A

mueller hinton agar media
disk diffusion
dilution methos

27
Q

Muller hinton media type «

A

solid basic media

28
Q

M H media sensitive to what ??

A

Clear zone of inhibition

29
Q

Antibiotic disc in M H media ?/

A

Inhibit growth of bacteria

30
Q

enteropathogenic E coli cause ?

31
Q

Travelers D cause by ??

A

Entertoxigenic E coli

32
Q

Tx of O157:H7 ??

A

ciprofloxacin

33
Q

E coli VS lactose fermenting other G - rods ?/

A
  • produce indole from tryptophan
    decarboxylate lysine
    source of carbon - acetate
    motile

Microbiology -Medical-Prof (49 decks)

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