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Microbiology:Bacteriology > Enterobacteriaceae > Flashcards

Enterobacteriaceae Flashcards

1
Q

not normal flora

true pathogens

A

“YerSaShi”
Yersinia
Salmonella
Shigella

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2
Q

not motile

A

“SKY”
Shigella
Klebsiella
Yersinia

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3
Q

Encapsulated

A

Klebsiella

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4
Q

Extended Spectrum B-Lactamase

A

Escherichia coli

Klebsiella

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5
Q

Causes UTI

A

“PEK”
Proteus mirabilis
Escherichia coli
Klebsiella pneumoniae

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6
Q

Urease positive

A 
"SPEK"
Serratia
Proteus
Enterobacter
Klebsiella
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7
Q

PAD (Phenylalanine deaminase positive)

A

“ProM”
Proteus
Providencia
Morganella

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8
Q

Sorbitol negative

A

E.coli O157:H7

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9
Q

Rapid urease producers in Christensen’s agar

A

Proteus

Morganella

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10
Q

Citrate positive

A 
"SPECKS"
Salmonella
Providencia
Enterobacter
Citrobacter
Klebsiella
Serratia
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11
Q

DNASE positive

A

Serratia

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12
Q

primary marker for fecal contamination of water purification

A

E.coli

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13
Q

E. coli antigen that cross reacts with Shigella

A

O antigen

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14
Q

E.coli antigen that causes neonatal meningitis

A

K1 antigen

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15
Q

cause of currant-jelly like sputum

A

Klebsiella pneumoniae

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16
Q

most virulent factor of Klebsiella pneumoniae

A

capsule

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17
Q

chronic atrophic rhinitis

A

K. pneumoniae subspp. OZONAE

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18
Q

granuloma of nose

A

K. pneumoniae subspp. RHICOSCIEROMATIS

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19
Q

lysine decarboxylase negative Enterobacter

A

E. cloacae

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20
Q

arginine decarboxylase negative Enterobacter

A

E. aerogenes

21
Q

contaminant of powdered infant milk formula

A

Cronobacter (Enterobacter) sakazakii

22
Q

triple decarboxylase negative

A

Pantoea agglomerans

23
Q

red pigment of Serratia

A

prodigiosin

24
Q

potato-like odor Serratia/musty pungent

A

S. odorifera

25
Q

cause osteomyelitis after motorcycle accident

A

Serratia plymuthica

26
Q

beer wort of breweries

A

Hafnia alvei:biotype 1

27
Q

associated with renal stone formation

A

Proteus

28
Q

shows swarming motility

A

Proteus mirabilis

29
Q

odor of Proteus spp

A

burnt chocolate/burnt gun powder odor

30
Q

plant pathogen

A

Erwinia

31
Q

bacilli in cold blooded animals

A

Edwardsiella

32
Q

cause of endocarditis in IV drug users

A

Citrobacter freundii

33
Q

most serious Enterobacteriaceae

A

Salmonella

34
Q

colonial morphology of Salmonella

A

colonies have black centers (SSA)

green (HE agar)

35
Q

peanut butter outbreak

A

Salmonella Typhimurium

36
Q

Typhoid fever unique characteristic

A

rose spots at second week of fever

37
Q

Gay bowel Syndrome

A

Shigella flexneri

38
Q

characterised by rectal prolapse

A

bacillary dysentery

** caused by S. dysenteriae type 1

39
Q

bipolar staining/safety pin appearance

A

Yersinia pestis

40
Q

appearance of Yersinia pestis in broth

A

stalactite apperance

41
Q

bull’s eye colonies in CIN

A

Yersinia enterocolitica

42
Q

ferment rhamnose

A

Yersinia pseudotuberculosis

43
Q

triple decarboxylase positive organism

A

Plesiomonas shigelloides

44
Q

colonial morphology of Plesiomonas shigelloides in CIN agar

A

Apron like colonies

45
Q

optimal temperature for Yersinia and Serratia

A

1-5C

46
Q

ratio of lactose:sucrose:glucose in TSIA

A

10:10:1

47
Q

difference of KIA from TSIA

A

KIA: no sucrose

48
Q

VP reagent

A

40% KOH; alpha naphtol

Microbiology:Bacteriology (10 decks)

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