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NBME 23 Answers

nbme23/Block 1/Question#10

A 13-year-old girl is brought to the office because ...

Staphylococcus aureus

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 +8  upvote downvote
submitted by chris07(30),

Bed bugs themselves are not known to be carriers of illness, but they can leave itchy bites. The girl is likely to scratch these bites, abrade the skin, and thus increase the risk of a staph skin infection (since staph aureus is the most common skin infection pathogen)

mcl  Oh! The article I found said that MRSA has been shown to colonize the saliva of bed bugs for up to like 15 days, and that they isolated MRSA from several specimens. Is it just more likely that the patient scratches it in since staph is e v e r y w h e r e ? +4  
chris07  I mean it’s possible. The last review course I took said that it wasn’t associated with anything. It may be, but either way...same answer :) +1  

 +6  upvote downvote
submitted by welpdedelp(137),

I chose this b/c its the most common pathogen for skin infections

seagull  same here +2  
sympathetikey  Some bowlsheet +9  

 +4  upvote downvote
submitted by mcl(375),

So if you didn't h8 bedbugs enough, they can apparently also serve as vectors for drug-resistant bacteria including MRSA HOW FUN IS THAT

spacepogie  SO FUN +2  

 +1  upvote downvote
submitted by adong(28),

I don't think you're supposed to know any complicated niche piece of knowledge. You have to infer that the pt has a skin lesion and is therefore prone to skin infections, most commonly from Staph aureus.