Micro Flashcards by R VV

Q

Optochin sensitive

A

S. pneumo

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Q

Catalase positive

A

S. aureus, serratia, pseudomonas , actinomyces, candida, e. coli

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Q

Optochin resistant

A

Viridans strep

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Q

Grow in bile, not in 6.5% NaCl

A

S. bovis

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Q

Bacitracin resistant

A

GBS

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Q

Bacitracin sensitive

A

S. pyogenes

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Q

All DNA viruses are linear except

A

Papilloma, polyoma and hepadna

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Q

All DNA viruses are double-stranded except

A

Parvovirus

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Q

DNA hepatitis virus

A

HBV

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Q

Prophylaxis for PCP

A

TMP SMX

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Q

Prophylaxis for MAC

A

Azithromycin

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Q

Bugs with EF-2 exotoxins

A

Diphtheria and pseudomonas

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Q

Bugs with exotoxins affecting 60S ribosome

A

EHEC and shigella

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Q

Bugs with heat stable toxins

A

ETEC and yersenia enterocolitica

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Q

How does edema factor work

A

Inc cAMP

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Q

How does cholera toxin work?

A

Activates Gs –> in cAMP–> inc Cl secretion

Q

How does pertussis toxin work

A

Disables Gi –> inc cAMP