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FA MICRO > Bacteria Misc > Flashcards

Bacteria Misc Flashcards

1
Q

Pyrrolidonyl arylamidase (PYR) +

A

Strep pyogenes

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2
Q

CAMP Factor

A

GBS – creates larger area of hemolysis for S. aureus

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3
Q

Hippaurate +

A

GBS

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4
Q

Gram + rods w/ metachromic granules (red and blue)

A

C. diptheriae

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5
Q

+ Elek test

A

diptheria toxin

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6
Q

black colonies on cystine-tellurite agar

A

C diptheriae

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7
Q

4 types of Mycobacteria

A
  1. M tuberculosis: TB
  2. Mycobacterium avium intracellular (MAC): caused non-TB disease in AIDS pts
  3. M scrofulaceum: cervical lymphadenitis in kids
  4. M marinum: hand infection in aquarium handlers
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8
Q

MAC prophylaxis in AIDS pts

A

Azithromycin when CD4

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9
Q

2 types of Hansen disease

A

Mycobacterium leprae

  1. Lepromatous: worse, communicable, low Th1 response (only Th2) → leonine facies, diffuse sensory loss
  2. Tuberculoid: more mild, strong Th1 response
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10
Q

Treatment of Tuberculoid (2) and Lepromatous Hansen Disease?

A

Dapsone + Rifampin

Add Clofazimine

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FA MICRO (3 decks)

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