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Micro > Fastidious GNB > Flashcards

Fastidious GNB Flashcards

1
Q

Hacek

A

Aggregatibacter aphrophilus

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2
Q

hAcek

A

Aggregatibacter actinomycetemcomitans

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3
Q

haCek

A

Cardiobacterium hominis

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4
Q

hacEk

A

Eikenella corrodens

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5
Q

haceK

A

Kingella species

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6
Q

HACEK growth requirements

A

CHOC & BAP
CO2
No growth MAC or EMB

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7
Q

H - Aggregatibacter aphrophilus disease

A

endocarditis

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8
Q

H - A. aphrophilus factor requirements

A

XV independent

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9
Q

A- A. actinomycetemcomitans disease

A
  1. Endocarditis
  2. Periodontitis
  3. Actinomyces israelii co-infection
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10
Q

A. actinomycetemcomitans colony morphology

A

star shaped

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11
Q

C - Cardiobacterium hominis disease

A

Endocarditis

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12
Q

C. hominis Gram stain

A

rosettes

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13
Q

E - Eikenella corrodens infections

A

bites/trauma from fist fights

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14
Q

K - Kingella species infections

A

bone & joint infections in young children

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15
Q

Bordetella pertussis stages

A
  1. Catarrhal
  2. Paroxysmal
  3. Convalescent
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16
Q

B. pertussis selective media

A

Borget-Gengou Agar
Charcoal Blood Agar (Regan Lowe)

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17
Q

Filamentous hemagglutinin (FHA) and Pertactin

A

facilitate attachment

18
Q

Pertussis toxin allows for (3)

A

adhesion
invasion
interference with immune effector cells

19
Q

adenylate cyclase toxin

A

interference with immune cells

20
Q

tracheal cytotoxin

A

ciliostasis, cytotoxicity

21
Q

B. pertussis toxins

A
  1. Filamentous hemagglutinin (FHA)
  2. Pertactin
  3. Pertussis toxin
  4. Adenylate cyclase toxin
  5. Tracheal cytotoxin
22
Q

Legionella infections

A

Pontiac Fever
Legionnaire’s disease
Asymptomatic

23
Q

Legionella habitat

A

soil, water

24
Q

Legionella Gram stain

A

pleomorphic GNB

25
Q

Legionella diagnosis is done by

A

direct detection in urine

26
Q

Legionella culture

A

BCYE
aerobic
humidity

27
Q

Pasturella infection

A

cellulitis with lymph involvement

28
Q

Pasteurella culture

A

BAP
CHOC

29
Q

Pasturella Gram stain

A

small GNB

30
Q

Pasteurella biochems

A

Oxidase pos
Indole pos
Catalase pos
Glucose fermenter

31
Q

Brucella is transmitted by

A

contaminated food
inhalation
direct contact with infected animals

32
Q

Brucella Gram stain

A

GN coccobacilli

33
Q

Brucella infections are known as

A

undulant fever
Bang’s disease
Gibraltar fever
Mediterranean fever
Malta fever

34
Q

Brucella cultures

A

Brucella agar
BAP
CHOC

35
Q

Brucella biochem

A

oxidase pos
catalase pos
urease pos

36
Q

You can’t use automation with

A

Brucella and Francisella

37
Q

Francisella infection

A

tularemia

38
Q

Francisella requires supplementation with

A

cysteine

39
Q

Can pass through unbroken skin

A

Francisella
Brucella

40
Q

Francisella biochem

A

ferments glucose
X & V neg
urea neg
beta lactamase pos

Micro (11 decks)

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