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NBME 21 Answers

nbme21/Block 1/Question#22 (33.3 difficulty score)
A 36-year-old man with AIDS elects to ...

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submitted by hayayah(983),
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yeeecntseiCntiys- neoichmek recteopr 5 (CR)C5 si a nprtoei ofund no eth feascur of 4DC s.llec

yotsubato  Note, this is NOT in FA +  
sbryant6  It is in UWorld. +2  
almondbreeze  it's in FA2019 pg.110 +1  
almondbreeze  but missing the full name for CCR5 +4  
demihesmisome  CXCR4 is also a chemokine receptor. +1