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enterobactericeae Flashcards

1
Q

isolated from urinar,y tract (3)

A

e. coli
k. pneumoniae
p. mirabilis

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2
Q

virulence factor of e.coli?

identical to capsular antigen of?

A

k1 antigen

n.meningitidis grp B

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3
Q

specimens for salmonella identification:
1st wk
2nd
3rd

A

blood
stool
urine

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4
Q

green metallic sheen?

what agar?

A

e.coli

EMB

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5
Q

contaminated IV fluids

A

pantoea agglomerans

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6
Q

false (+) agglutination

A

citrobacter

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7
Q

capsular K antigen

anong meron? (5)

A 
kapsel
heat labile
found in the capsule
K1 antigen: e.coli
Vi antigen: s.enterica subsp. enterica seroype typhi
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8
Q

sereny test is a virulence test for (2)

defn?

A

shigella
eiec
det the ability to produce keratoconjuctivitis in guinea pig

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9
Q

antibiotic-resistant (3)

A

enterobacter
citrobacter
serratia

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10
Q

contaminant in antiseptic soln which causes septic arthritis

A

s.marcescens

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11
Q 
most commonly isolated in klebsiella?
yersinia?
proteus?
enterobacter?
human pathogen spp for edwardsiella
most virulent for shigella
A

k. pneumoniae subsp. pneumonia
y. enterolitica
p. mirabilis
e. cloacae
e. tarda
s. dysenteriae

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12
Q

yersinia pestis in mcroscope

A

bipolar staining/closed safety pin appearance

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13
Q

bubonic plaque

A

yersinia pestis

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14
Q

other name of k.pneumoniae subsp. pneumonia?
mac?
neufeld quellung +/- ?

A

friedlander’s bacillus
pink mucoid colonies
+

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15
Q

all citrobacter grow on what agar

A

SCA

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16
Q

currant jelly like sputum

A

k.pneumoniae subsp. pneumonia

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17
Q

resembles klebsiella?

A

enterobacter

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18
Q

yellow pigmented colonies

A

cronobacter sakazakii

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19
Q

shigella can be transmitted by? (4)

A

flies
food
fingers
feces

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20
Q

stalactite pattern in broth

A

yersinia pestis

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21
Q

6th century pandemic

A

yersinia pestis

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22
Q

non motile at 35C

A

y.entercolitica

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23
Q

s.enterica type 4

A

s.enterica subsp. houtenae

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24
Q

other name for e.coli?

imvic?

A

colon bacillus

++–

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25
Q

burnt chocolate/gun powder odor

A

proteus

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26
Q

class A bioterrorism agent

A

yersinia pestis

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27
Q

isolated from diarrheal stool cultures

A

citrobacter freundii

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28
Q

s.enterica type 3a

A

s.enterica subsp. arizonae

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29
Q

gay bowel syndrome

A

s.flexneri

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30
Q

bacillary dysentery is caused by

A

s.dysenteriae type 1

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31
Q

same biochemically to p.vulgaris except it is citrate (-)

A

morganella

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32
Q

triple decarboxylase rxn?

what r those?

A

pantoea agglomerans

lysine decarboxylase
arginine dihydrolase
ornithine decarboxylase

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33
Q

rapid urease producer which causes renal stone formation

A

proteus

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34
Q

shigella which decarboxylates ornithine

A

s.sonnei

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35
Q

rose spots appear during?
caused by?
appear around the? (what part of the body)

A

2nd wk of infection
s.serotype typhi
periumbilical region

36
Q

flagellar H antigen

anong meron? (4)

A

hauch
heat labile
found in flagella
for salmonella serotyping

37
Q

causative agent for the peanut butter outbreak

A

s.serotype typhimurium

38
Q

site of chronic carriage of s.serotype typhi?

only remedy?

A

gallbladder

cholecystectomy

39
Q

s.enterica type 6

A

s.enterica subsp. indica

40
Q

motile at 22C

A

y.entercolitica

41
Q

s.enterica type 2

A

s.enterica subsp salamae

42
Q

(+) PAD (3)

A

proteus
providencia
morganella

43
Q

late lactose fermenters (8)

A 
citrobacter
salmonella
shigella
yersinia
erwinia 
s.sonnei
serratia
hafnia
44
Q

s.enterica type 3b

A

s.enterica subsp. diarizonae

45
Q

causative agent of enterocolitis

A

y.entercolitica

46
Q

requires cold temp technique?

what temp?

A

y.entercolitica

4 C

47
Q

bichemically resembles salmonella

A

citrobacter

48
Q

s.enterica type 1

A

s.enterica subsp. enterica

49
Q

produces type 1 cephalosporinase

A

citrobacter freundii

50
Q

salmonella in MAC?

SSA?

A

colorless colonies

colorless colonies w/ blac center

51
Q

etiologic agent of enteric fever

A

s.serotype typhi

52
Q

test to differentiate providencia spp?

what r those spp?

A

christensen’s urea

p. rettgeri
p. stuarti

53
Q

only cytochrome oxidase (+)

A

plesiomonas shigelloides

54
Q

lactose fermeters (3)

A

e.coli
klebsiella
enterobacter

55
Q

indole (+) klebsiella (2)

A

k. oxytoca

k. ornithinolytica

56
Q

(+) christensen’s urea

A

p.rettgeri

57
Q

black death

A

yersinia pestis

58
Q

apron-like colonies?

what agar?

A

plesiomonas shigelloides

CIN

59
Q

(+) trio decarboxylate test

A

plesiomonas shigelloides

60
Q

travellers diarrhea

61
Q

all are commensal except (3)

A

salmonella
shigella
yersinia

62
Q

bull’s eye colonies?

what agar?

A

y.entercolitica

CIN

63
Q

e.coli strain which is (+) to verotoxin?
verotoxin is identical to?
infections?

A

ehec
shiga toxin
HUS, bloody diarrhea w/o WBCs

64
Q

media w/ h2s indicator (3)

A

XLD
HE agar
BSA

65
Q

mpst common forms food poisoning

A

gastroenteritis

66
Q

ESBL-producing bacteria (3)

A

e. coli
k. pneumoniae
k. oxytoca

67
Q

plague bacillus

A

yersinia pestis

68
Q

musty pungent/potato like odor

A

s.odoriferi

69
Q

infects proximal convoluted tubules

70
Q

blacnching rose-colored papules

A

s.serotype typhi

71
Q

stacked brick appearance

72
Q

test to differentiate citrobacter spp?

what r those spp? (2)

A

ONPG

c. freundii
c. koseri

73
Q

all are motile except (3)

A

klebsiella
shigella
yersinia

74
Q

same imvic rxn to e.coli

A

edwardsiella

75
Q

primary marker of fecal contamination

A

colon bacillus

76
Q

non lactose fermenters (4)

A

edwardsiella
proteus
morganella
providencia

77
Q

isolated from cold & warm blooded animals

A

edwardsiella

78
Q

swarming phenomenon

79
Q

watery diarrhea w/ WBCs

80
Q

all are nonencapsulated except (2)

A

klebsiella

enterobacter

81
Q

somatic O antigen

anong meron? (4)

A

Ohne
heat stable
found cell wall
for e.coli & shigella serotyping

82
Q

associated with diarrhea (4)

A

e.coli
salmonella
shigella
yersinia

83
Q

causes meningitis from powdered infant formula

A

cronobacter sakazakii

84
Q

osteomyelitis

A

s.plymuthica

85
Q

most serious pathogenic enterobacteria for human?

causing? (2)

A

salmonella

86
Q

infantile diarrhea

Microbiology (6 decks)

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