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Step 1: Microbio > Bacteria > Flashcards

Bacteria Flashcards

1
Q

Gram-negative, encapsulated, ox-positive aerobic rod

A

Pseudomonas

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2
Q

Antibiotic mechanism of inactivation

A 
Penicillin, cephalosporin - B-lactamase
Aminoglycosides, chloramphenical - inactivated by acetyl group
Tetracycline - efflux pump
Sulfonamide - Export
Vanc - D-ala D lactate
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3
Q

GBS characteristics

A

beta-hemolysis (clear), bacitracin resistant, CAMP+

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4
Q

Staph virulence factor

A

Protein A - binds Fc of IgG inhibiting phagocytosis, complement activation

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5
Q

Strep pneumo virulence factor

A

IgA protease + capsule

Other: optochin sensitive, conjugate vaccine

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6
Q

Early vs late septic shock

A

Early - High CO, low TPR

Late - Low CO, high TPR

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7
Q

Cat’s PLACESS

A 
Pseudomonas
Listeria
Aspergillus
Candida
E. Coli
Staph
Serratia
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8
Q

Anaeorbic lung abscess

A

Oral secretions - Bacteroides, fusobacterium, peptostretococcus

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9
Q

Anaerobe coverage

A

Metronidazole

  • fluoroquinolones DO NOT HAVE ANAEROBE COVERAGE
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Step 1: Microbio (8 decks)

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