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Microbiology - Gram Negative > Enterobacterales > Flashcards

Enterobacterales Flashcards

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Biology 101 flashcards
1
Q

What are they?

A

Gram negative bacilli/rods

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2
Q

What is the normal habitat?

A

Colon, gut

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3
Q

What do they grow well on?

A

MacConky agar as
-lactose fermenting
-non-lactose fermenting

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4
Q

Are they oxidase positive or negative?

A

Oxidase negative
(unlike Pseudomonas aeruginosa)

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5
Q

What antigens do they have? What are they used for?

A

Somatic O & Flagellar H
Used to define serotypes

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6
Q

What kind of infection do they commonly cause?

A

Nosocomial (hospital-acquired) infection

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7
Q

What antibiotics to use? (9)

A
  1. Ampicillin/amoxicillin
  2. Fosfomycin and nitrofurantoin (for simple UTI)
  3. Co-amoxiclav
  4. Pip-tazo
  5. Ceftriaxone and other cephalosporins
  6. Co-trimoxazole
  7. Aminoglycosides - Gentamicin, amikacin
  8. Ciprofloxacin and other fluoroquinolones
  9. Imipenen, meropenem (very broad spectrum)
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Microbiology - Gram Negative (25 decks)

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