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NBME 20 Answers

nbme20/Block 3/Question#39 (44.1 difficulty score)
A 19-year-old woman has severe refractory ...
Teratogenic effects in the embryoπŸ”
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 +5 
submitted by mbourne(79),
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hisT is a ah-mhmsis fo ifaomntnior I nac fndi on sthi etbc.suj 'ntaC nfid odog fnoi no stih yrwenhea. I itknh htsi otesquin sscuk

osnerttiinoI" has a low yainiftf rof otcrneii dcai rrptseceo (RRA) adn idnteroi X ecrstpero R(R)X, utb yma eb renveotcd uicretalylrnall ot maobltetise ttha tca as sangtiso fo RRA nad XRR rnecula soe.rctepr

In eht ncuesul fo a le,cl roitcnei iacd astc sa a iadnlg, hhwic is a emcolleu atht ndsbi to a tsei no a cfipcise nr,iopte ot ivtatcea wto ifaliesm of onariipcrtsltan ofa.trcs eehTs wto alfimies are eht oetricin icad tcrepsoer RA()R nad tneidior X porsecter (,)RXR wchih dnib ot esneg atht rdnseop ot ricnitoe dc.ai rheeT ear eerth fmors of sARR adn trhee mrfos of R.XR

sudeSit twih in rtoiv art msyober vhae owhns atht ieotdsnir tca idlercty no eht bo,erym sncguia stheo omrbey ot poeevld ybaam"rno.ll

euchromatin69  u world 1568 flow chart +4  



 +5 
submitted by garima(14),

I think the question asks 'if it binds to RXR, what happens?'

The retinoid X receptor (RXR1) is an intriguing and essential member of the steroid/thyroid hormone superfamily of nuclear receptors (NRs) that predominately function as transcription factors with roles in development, cell differentiation, metabolism, and cell death

which means its related with development etc

bend_nbme_over  Definitely a poorly worded question for sure +  



 +4 
submitted by whossayin(24),
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hte iunstqeo wsa yvre oloryp derdow ni ym ,iiponon yanbyod esle eearg?

niboonsh  yea it was a dumbass question, whoever is writing these questions is undoubtedly a crazy genius but homeboy (or homegirl...homeperson?) needs a few grammar lessons. +4  
yex  I agree. We know that it is a teratogen, but how does that question directs you to think about teratogenic effects instead of something physiologic? +5  
dr_jan_itor  The questions in the NBMEs by default are reject questions. So highly selective to be awful questsions. I am recieving regular heads up that the stems on the real thing lately are like 10-12 lines long. So these questions are not anywhere near like the test. NBME has f'd us good for this particular round of practice forms. +  



 +3 
submitted by hayayah(1079),
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sortIninotie si sude ot arett revees stycic eacn. It si a e.nrotetag Cna auecs itpulmel eeersv htrbi etd.csfe rcoCttenniaop si atdyoa.nrm XRR si a rndeioit X orec.rtpe

nTAsiToIRnoEi