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Infectious Disases Microbiology > Non Fermentative Gram Negative Bacilli > Flashcards

Non Fermentative Gram Negative Bacilli Flashcards

1
Q

What does TSI agar contain?

A

Glucose,Sucrose,Lactose,Fe

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2
Q

What does TSI agar detect?

A

Fermentation and gas&H2S production

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3
Q

What do oxidase test detect?

A

İndophenol

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4
Q

What are the NFGNB?

A 
Pseudomonas
Acinobacter
Stenotrophomonas
Chryseobacterium
Burkholderia
Alcaligenes
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5
Q

Which of the two NFGNB are oxidase - ?

A

Acinobacter

Stenotrophomonas

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6
Q

Which are non motile NFGNB?

A

Acinobacter

Chryseobacterium

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7
Q

P.aureginosa?

A 
Nosocomial infections
Infected burn wounds
Corneal ulcers,keratitis
External Otitis
Combination therapy is preferred
Grows btw 22-42 celcius
beta hemolysis
pigment+
grape like odor
causes echytema gangrenosum
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8
Q

Which bacterias strains are resitant to decolorization and sometimes looks like gram +?

A

Acinobacter

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9
Q

Acinobacter?

A

Non hemolytic
Ventilator associated pneuomenia
may mimic morphologically neisseria species
A.baumani

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10
Q

Stenotrophomonas maltophilia?

A

Has ammonia odor and lavender green under sheep blood agar

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11
Q

Cystic fibrosis and those with granulamatous disease are vulnerable to ______

A

Burkholderia

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12
Q

Cepacia Syndrome?

A

Related with B.cepacia

FATAL NECROTİSİNG GRANULAMOTOUS PNEUMONİA

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13
Q

What is the most frequently isolated NFBNB in ICU?

A

Acinobacter

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14
Q

What is the most İMPORTANT VİRULENCE FACTOR OF ACİNOBACTER?

A

Resistance to antibiotics

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15
Q

Which bacteria can lead to postoperative meningitis?

A

Acinobacter

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16
Q

What is Sweat Chloride test used for?

A

Detectiojn of Cystic Fibrosis

17
Q

Which bacteria has alginate as virulence factor?

A

Pseudomonas Aureginosa

18
Q

Which bacteria is embedded in biofilm in the sputum and lower airways?

A

Pseudomonas Aureginosa

19
Q

How is the appereance of motility test tube for motile bacteria?

A

Turbid

20
Q

Which colour does the reagent turn when we add oxidase + bacteria?

A

Purple

21
Q

Which of the 3 İN ORDER are responsible for Cystic Fibrosis?

A

1-Pseudomonas Aureginosa
2-Burkholderia
3-Alcaligenes

22
Q

Most frequent NFGNB in clinical samples (NOT ICU!!!)

A

P.aureginosa

23
Q

Antibiotic susceptibility test is a MUST FOR _________

A

NFGNB

24
Q

Ne zaman CF dan şüphelenmeliyiz?

A

Smooth(mucoid) colony içeren, P.aureoginosa, sputum örnekleri görürsek

25
Q

We may have ___,____,___ colonies in CF but the most common is ____

A

Rough,smooth,small

smooth

26
Q

The most difficult NFGNB to treat

A

Multi/pan resistant acinobacter

27
Q

Color change in TIS?

A

No yellow color(no fermentation)

Dark pink color(because of the alkali media bcs of the oxidative deaminations of the peptones by the bacteria)

Infectious Disases Microbiology (12 decks)

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