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Retired NBME 23 Answers

nbme23/Block 1/Question#31 (reveal difficulty score)
A 16-month-old boy is brought to the ...
Absence of germinal centers in lymph nodes 🔍 / 📺 / 🌳 / 📖
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 +7  upvote downvote
submitted by hipster_do(8)
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I’m ognig ot sya st’i X diknle gaeaoaailulmbimmgn arrteh than ,DSCI utb het deenfeifcr ewbneet sthee two are iytn tbu hist si why I hknti ist’ eht :oremfr

  • Byo (ieesacdrn risk but hbot BA adn DSIC are x en)lkdi
  • nRceerrut aberactil inecfnosti ubt n’tdo innomet iderahra ro hshtur iwhch si in CDSI
  • mTeinlei si reaft 6 ,thnoms os hte o’srmhte inaobesdti rweo .off

CDSI oshdlu be daemmiteyli abseecu hyet usjt ’tndo vhae teh 2LI crste.rpeo IVCD shswo pu nhew ryethe’ 04-20 asrye l.od You gte senabt lermigna rcsenet in bt.oh No onnitem fo tseban hmiytc hodwsa wichh is in ICDS.

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placebo079  rmofnUyl“”i olw si aosl a e;luc ni VIDC tehy ear .otn +5
tea-cats-biscuits  This emska sn,see tghhuo awht layelr trewh me fof aws htat in aCiclss Brntu’os ablgnaiioAmmaegmul rhs’ete oraeezn-r B cnutos huhtgo (or ta atlse ’ahtts ahtw AF nad DTU asys, Abnets“ B llsec in elaiphrper blod”o AF 61,1 )2.018 eTh Q assy the cokuyetle tncou was larmon .hotugh lot’Wnud teh uecloytek tocun deinucl pcmyhlyoset ni eth lfd?tiairefen ndA utldn’wo ompytslhyec be wol ued ot eht nrea eclmteop clak of B cesll ni rpeleiparh rntlicicuao fi ti aws AB? +2
partybrockk  itsscta@tuc-ieab-s sonr’tuB is a lreiauf of B selcl to UERTM/.A/ oS uyo tge arnmol lmpeyocyth cstu,no adeseecrd evslle of oiuulmblginn,mos nda asnebt gaminrle senert.c +8
tea-cats-biscuits  yra@pokbcrtk aTht kasem snees to ,em tub I ekep gnttgei gnuh up on owh tahst’ otn atwh treehi AF ro DTU ssay otaub het ilcscas bla nfsiignd of .LXA UTD acelpilficsy ssya hts:i roLbyrotaa“ sndifngi iucneld aommgmoubpmiaoyg/galelaimiab,ngealuimanlh cdfeeinti intbaydo seoerpsns to anumomitizis,n adn abetsn or adeymlrk dudeerc B clsel in the obdo,”l dna I iplsuvoyre tudqoe F.A I ppeuoss ti nt’oeds lleyra mttaer, utb ’ist eityidefnl a tib anftrsitgru snsule ’Im iigsnsm gmeinsoht btauo who btsane B elcsl ni het oblod dnwlt’ou rteaoecrl to a erasdceed ychlmoepyt tocun ... +3
temmy  alepse erotrcc em if i am ngrow cso i thgmi be ubt ym gloci swa ehret is ecarsdese lmnliuinoumgob lymorinuf ianmnge teh B ellsc aer limyourfn asenbt dan icesn eyht elepodv in hte lrgmniae tnre,ec eth rimenagl ecrent wlil be sa.btne +2
almondbreeze  cdeikP eadderes'c # of D4C l-y ogtt.h.c&otBepsh;y'm CD4 dna C8D T soymyhpctel eerw cftad;fee teh rceaeesd aws stmo duroocnepn orf vaïne T l.lsce (tbcwct/9/pieMv.h.0m0/a.6:pmlwst/go1hnwili./CcsPrn08n/) +
an1  Lwo Ig si tsom lliyke a B llce .odrrsdei All fo meht inbeg lwo rsuel uot IgA. W'eer left wthi LmgmaAX,a I,VDC dna DS.CI IDVC ocucrs feart ypuetrb dnigcacor to nB.B SCID si as if a abyb ash V,HI lusp hyet have an abnste hstyum (T .l)lces etiEhr a,yw be ti LXA or ,DCSI teyh HOTB haev a lkca fo ianmlegr !etscern +



 +1  upvote downvote
submitted by tea-cats-biscuits(273)
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I khnti I uofnd twha eht easside asw, thhogu I eontylhs heav no daei hwy eyht ludow tset htsi trhrae naht XLA. eseT’hr a tonoiindc ldlaec ntiTeasnr paglHianbygemmolmoiau of yanfcnI. It snprstee low/w gmlnoinulomuib slleve post 6 sonthm and acn terpens sm/wall ymplh nseod dna tnslois in ninafcy UBT o/w any hotre ngifnsdi fo rrapmiy domfenmynciuieic ngdlniiuc reeddaecs utson.c

r’seeH an lctriae oautb :ti ysfegityrmocm/eaagm-noenrpliebisetioinoie.rbcdtmp/rip-uafinaeuayento-lig-ssu/ap:y-fe/t-rmnamchipo/ehipau-sirsinaidn/smmcfmcyt

ouY neeiifltyd dtn’o dnee ot wokn teh ssedeai ot egt hte cterocr wseran ncise eth likn fo aklc fo lguiinmmlosoubn luodw ecul yuo niot eht clka of lmnieagr e,ectsrn tbu I nhikt iths is omre kielyl anht XAL cnesi erevy ecrsuo I edra slmepii atth B llce osutnc era aern 0 in eht scscail sonieprnteat lnus(es m’I sgnimis a raonse hyw eltkoeuyc uotcn f/dfwi d’owunlt swoh a gianitcfnis cesedaer in seohmtcpyyl eud ot ronereza- B )e.scll Jsut edatwn ot tup tish reeh ni scae oterh eppoel lerat ecam ,owgdrnine ghuoth I yam itsll eb ngwro.

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keycompany  I hkitn ew aer all teonrvnhgkii htsi teuisnqo nda( ti si aarmyerbkl p.elms)i I o'ntd kihtn stih usoeqnit si gtnseti us on yna fo eth AFUP icufnediyieomnmc syen,modrs epr ayh .asWt eyht rea aylrel siknag is ta"hw udlow oasl eb ntsaeb if theer era on umgusmonillnbio nda reyhivnteg lees is rm?na"ol Teh sreawn si nabste rmnaegli recents b/c satt'h weerh gI is .iedtnszyhse I inkth heyt upt lal otreh ptcseas fo eth otyrish in isht smte jtus to lhep uoy eurl uot yna fo eht oerht .asrnesw +12



 +0  upvote downvote
submitted by lilamk(12)
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I dame a klycu uegss dan sohce shti btu I d’ton htnik rof het ghirt e.nraoss I uhthtgo eaybm he ash TBK fcdrte’oBnnesy/uici ilmaeAgabgmmoian. Bt,u wno atht I am gniog vore ti I na’tsw .rues uWldo atth hswo a nalrmo kelcytueo dnrfifeal?tie Is ti V?DIC niD’dt nkhti DCVI uwodl ehva etasnb inaermgl scteern ni ymhpl eond.s haWt seel clodu htsi e?b

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lispectedwumbologist  VIDC rsnepest in otdaohuld os s'ti ont CDVI. DCIV aosl deost'n ahve tnasbe nlareigm rstcene in hplym end.os My uedd sah u'tnsrBo magbaainmoamgeil +2
sympathetikey  taWh ectpsd@iel id.as +



 +0  upvote downvote
submitted by abhishek021196(120)
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elaM ci,lhd rucentrer fntsincei,o on tmruea B cslel = nuotBr eeisdsa lXi-nke(d mlmaumagaoa)ibiglne

onmmoC ifcnecaiyomevmuidnria ebl - ectDef ni B-lelc eitoiait.nfnerdf euasC nnuwnko ni otms syc.aesaM enpetrs in dbhcdlohiuot suulayl gaddneois e etf rraebIudtyprsn.eca ikrs fo aomtiueunm ca,h, sieobacresissndiet amlmhonir yoppusalmn,oy tDnfisdicresenocea e apmals ,secledcslea rDe somiumllniuogbn

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