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BACTE FINALS > HACEK > Flashcards

HACEK Flashcards

1
Q

Gram-negative, small, non-motile

A

HACEK (AACEK) GROUP

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2
Q
  • Slow and progressive bacterial endocarditis
    (vegetation of fibrinous clots in heart valves).
  • Utilize d-aminolevulinic acid
A

HACEK (AACEK) GROUP

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3
Q

Part of indigenous oral microbiota and are
considered as opportunistic pathogens

A

HACEK (AACEK) GROUP

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4
Q

Fastidious and most of the species grow slowly
(dysgonic) on BAP and CAP and require _____ days of incubation

A

7 to 14 days

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5
Q

“foam-loving bacteria

A

AGGREGATIBACTER APHROPHILUS

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6
Q
  • Formerly known as H. aphrophilus
  • Greek: aphros and philos, “foam-loving”
A

AGGREGATIBACTER APHROPHILUS

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7
Q

Most common species that causes
EndocarditiS

A

AGGREGATIBACTER APHROPHILUS

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8
Q
  • Isolated from dental plaques and gingival
    scrapings
  • Culture: CAP, raised, convex, granular and
    yellowish
A

AGGREGATIBACTER APHROPHILUS

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9
Q

Formerly known as Actinobacillus
actinomycetemcomitans

A

Aggregatibacter actinomycetemcomitans

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10
Q

Only catalase positive in HACEK; urease
negative

A

Aggregatibacter actinomycetemcomitans

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11
Q

collagenase and leukotoxin

A

virulence factor of Aggregatibacter actinomycetemcomitans

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12
Q

“star-shaped appearance

A

Aggregatibacter actinomycetemcomitans colonies

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13
Q

A, B, C, D, E and F

A

Serotypes of Aggregatibacter actinomycetemcomitans

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14
Q

Common cause of periodontitis

A

AGGREGATIBACTER
ACTINOMYCETEMCOMITANS

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15
Q

Infects the Aortic valve than other ”false-gram
positive” in some parts of the cells

A

CARDIOBACTERIUM HOMINIS

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16
Q

The only indole-positive HACEK member;
indole positive

A

CARDIOBACTERIUM HOMINIS

17
Q

capnophilic and may exhibit “pitting

A

BAP of CARDIOBACTERIUM HOMINIS

18
Q

“rosette formation (flower like
appearance) and appear filamentous

A

Yeast extract on CARDIOBACTERIUM HOMINIS

19
Q
  • Least common isolate
  • Assacharolytic like the species of genus
    Moraxella
A

EIKENELLA CORRODENS
“CORRODING BACILLI”

20
Q

Infections from human bites or clenched fist
injuries.

A

EIKENELLA CORRODENS
“CORRODING BACILLI”

21
Q

exhibit a yellow color; pit or corrode the
agar; and have a “sharp bleach” odor

A

EIKENELLA CORRODENS
“CORRODING BACILLI”

22
Q
  • LDC:(+)
  • Arginine dihydrolase: (-)
A

Biochemical testing of EIKENELLA CORRODENS
“CORRODING BACILLI”

23
Q

Tendency to resist decolorization

A

KINGELLA SP.

24
Q

isolated from degenerative joint and
bone infections (osteoarthritis) in children
younger than 3 years old.

A

K. kingae

25
Q

exhibit white to yellowish-brown
pigmentation.

A

KINGELLA SP. ON BAP

26
Q

K. denitrificans

A

KINGELLA SP. ON THAYER MARTIN AGAR

BACTE FINALS (11 decks)

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