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USMLE step 1 > microbiology > Flashcards

microbiology Flashcards

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USMLE® Step 1 flashcards
1
Q

What mechanism allows the orthomyxovirus to cross infect species?

A

antigenic shift (aka reassortment)

this allows chnage in HA and NA to allow for crossover to another species

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2
Q

How do you treat diphtheriae?

A

1) administer Diphtheria antitoxin (antibodies - passive immunity)
2) penicillin or macrolide
3) DPT vaccine

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USMLE step 1 (19 decks)

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