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Bacteriology > Enterobactericiae > Flashcards

Enterobactericiae Flashcards

1
Q

IMVIC of Escherichia

A

(+)(+)(-)(-)

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2
Q

TSI of Escherichia

A

A/A - Lactose Fermenter

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3
Q

Decarboxylase of Escherichia: LOA

A

(+)(+)(-)

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4
Q

Escherichia in EMB agar

A

Greenish metallic sheen

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5
Q

Escherichia in XLD agar

A

Yellow colonies

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6
Q

No. 1 cause of UTI
No. 2 cause of infant meningitis

A

Escherichia

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7
Q

ETEC - TOXIGENIC is causative agent of?

A

Montezuma revenge / Travellers disease

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8
Q

Escherichia that produces cholera like toxin (rice watery stool)

A

ETEC

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9
Q

Escherichia that produces childhood diarrhea

A

ETEC

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10
Q

Causative agent of Montezuma’s revenge

A

Escherichia - ETEC

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11
Q

Escherichia that produces heat labile and heat stable enterotoxins

A

ETEC

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12
Q

Escherichia that causes Shigella like infection

A

EIEC - INVASIVE

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13
Q

Escherichia that causes dysentery (painful passage of stool)

A

EIEC - INVASIVE

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14
Q

Escherichia that cause stool w/ RBC, Mucus, WBC

A

EIEC - INVASIVE

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15
Q

Virulence test for EIEC

A

Sereny test

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16
Q

Escherichia that causes Infantile diarrhea

A

EPEC - PATHOGENIC

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17
Q

Non invasive, No toxin Escherichia

A

EPEC - PATHOGENIC

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18
Q

Escherichia causing watery diarrhea w/o RBC, WBC, and mucus

A

EPEC - PATHOGENIC

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19
Q

Aka. VTEC (Verotoxin Escherichia coli)

A

EHEC - HEMORRHAGIC

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20
Q

Most virulent strain of EHEC

A

E. coli 0157:H7

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21
Q

Escherichia that causes HUS (hemolytic uremic syndrome)

A

EHEC - HEMORRHAGIC

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22
Q

Escherichia that produces verotoxin (Shigella like toxin)

A

EHEC - HEMORRHAGIC

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23
Q

SMAC result of EHEC

A

(-)

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24
Q

Escherichia that causes acute and chronic diarrhea

A

EAEC - AGGREGATIVE

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25
Q

Escherichia that produces hemolysin

A

EAEC - AGGREGATIVE

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26
Q

Escherichia that produces ST like enterotoxin

A

EAEC - AGGREGATIVE

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27
Q

Escherichia motility

A

Non motile

28
Q

IMVIC of Klebsiella

A

(-)(-)(+)(+)

29
Q

TSI of Klebsiella

A

A/A

30
Q

LIA of Klebsiella

A

K/K

31
Q

Klebsiella:
Decarboxylase: LOA

A

(+)(-)(-)
except K. aerogenes (+)(+)(-)

32
Q

Urease of Klebsiella

A

(+)

33
Q

Klebsiella on MAC

A

Mucoid pink colonies

34
Q

Only Klebsiella that is indole (+)

A

K. oxytoca

35
Q

Klebsiella motility

A

Non motile

36
Q

Enterobacter motility

A

Motile

37
Q

IMVIC of Enterobacter

A

(-)(-)(+)(+)

38
Q

Enterobacter:
TSI / LIA

A

A/A
K/K

39
Q

Decarboxylase of Enterobacter: LOA

A

(+)(-)(-)

40
Q

Enterobacter:
Urease

A

(-) except E. gergoviae

41
Q

Bacteria known to cause upper respiratory tract infections

A

Klebsiella
Enterobacter
Serratia

42
Q

Known to produce 3 enzymes.
What enzymes

A

Serratia

DNAse
Lipase
Gelatinase

43
Q

Produces red pigment (prodigiosin)

A

Serratia

44
Q

Serratia Decarboxylase: LOA

A

(+)(+)(-)

45
Q

Serratia: Citrate

A

(+)

46
Q

Sources of infection of Salmonella

A

Dairy, water, poultry pet house

47
Q

Causes Typhoid fever, Enterocolitis and Enteric fever

A

Salmonella

48
Q

Colonies of Salmonella in SSA

A

Black

49
Q

All Salmonella are cultured in BGA except

A

S. typhii - inoculated in Bismuth Sulfite Agar (BSA)

50
Q

Salmonella motility

A

Non motile

51
Q

Most important spp. of Salmonella

A

S. typhii

52
Q

Specimen for Salmonella:
1st week / 2nd week / best

A

1st: blood/urine
2nd: stool
Best: bone marrow

53
Q

Salmonella causing Enterocolitis

A

S. typhimurium

54
Q

Tube agglutination test for Salmonella

A

Widal test

55
Q

Widal test:
O / H / Vi

A

O - Somatic ag
H - Flagellar ag
Vi - Capsular ag

56
Q

Widal test: O (Somatic ag) titer

A

1:160 - active Salmonella infection

57
Q

Widal test: H (Flagellar ag)

A

Past infection (IgM)

58
Q

Widal test: Vi (capsular ag)

A

Carrier (IgG)

59
Q

Common name of Shigella

A

Inert bacteria

60
Q

Shigella motility

A

Non motile

61
Q

Shigella on SSA

A

Colorless

62
Q

Shigella:
TSI/LIA/LOA

A

K/A
K/A
(-)(-)(-)

63
Q

Causes dysentery (stool w/ blood and mucus)

A

Shigella

64
Q

Group type : O antigen
A/B/C/D

A

A - S. dysenteriae
B - S. flexnerii
C - S. boydii
D - S. sonnei

65
Q

Shigella dysenteriae (Group A):
Catalase/ONPG/Mannitol

A

(-)(-)(-)

66
Q

Shigella flexnerii & boydii (Group B & C):
Catalase/ONPG/Mannitol

A

(+)(-)(+)

67
Q

Shigella sonnei (Group D):
Catalase/ONPG/Mannitol

A

(+)(+)(+)

Bacteriology (13 decks)

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