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Retired NBME 20 Answers

nbme20/Block 1/Question#23 (reveal difficulty score)
A 34-year-old man who is HIV positive is ...
CD4+ T lymphocytes 🔍 / 📺 / 🌳 / 📖
tags: Immuno

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 +5  upvote downvote
submitted by sympathetikey(1600)
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4+CD clels eivtatac llBesc- hwihc ormf olfcleisl adn suace eetargnelmn fo myhlp end.os feoeer,rTh ni na ASID penia,tt to aerglen the hypml ,nsode het CD+4 tnufsioncdy mstu be selorve.d

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breis  Yea i gte tah,t tub fi hte saettpin DC4 aws 53~, ohw in teh wrold ddi het 4CD utcon iser neough ot simetulat B lecl litrna.r.i.opfeo? I od'tn egt ti +10
namira  The nloy hnitg i nca thnki fo si :httate h 4dc tunco ttah is enigv swa neatk orpri to gihavn tratdse het virarronttalie hpatery. eiS nc eth iestnouq asks buaot v"iprdoem fniou,c"tn abmey tsi rfeirngre ot eth epyrtah clulatya ebing feeveicft nda tsi egnmada ot nieesarc 4cd oncut adn futncnio so sa ot eb leba to trbcoueint to yphlm oedn lremenegtna deu ot m.yoc iuvam +13
kamilia20  I hohgut it reatfrns ot a MGyomp,maOlh +1
bgreen27  siTh rwenas axlopnentai psiieml tath dnutfycsion msnae yicr,sact rtgi?h uBt rea het 4CD selcl uaatyllc dnitsuoclanyf ni ?VHI or tsuj rsecac? I 'dton like ihst siotunqe aeucsbe rlyecal both CD4 adn B cslle rea vevoinld ni hmply eodn traeenlnmeg DNA fi midroevp utonfcin = secednira numr,be neth obht B ellsc adn 4CD lecsl ouldw eetm thta ctaeirir. +1
drdoom  gbe72@enr ”podiee“nlt si eht remo scpeier etrm hree aohg(htul I wdoul nto eb risesuprd fi sC4D fo VHI+ iuaindvlids reew sola owshemo lisnoacndu).tfy +1
drdoom  ebr72@gen a,los reebmrem atht a ilgsen 4DC cna dveri eht eprfoiortalin fo ym~a~n B lecsl. ,So s,ey lphmy oden egatlenemnr is irdevn by ,4sDC tub yuvalirlt lal of het sams si ubtlabetrtai to B lecl pnioaesn.x That( ,is if uoy despipn otu an ditavcaet ylhpm ndeo and tehn iwdegeh all teh T ecsll dan athn deeiwhg all het B s,llec youd’ dfin eth hymlp odne is smlyto B“ lecl .it”ghew) +3
bgreen27  os I hinkt I sndedaur,tn uystpoddntcifeniloe~n nad rpnoceeat"eierl~ins ni t"niocnuf utb ilnifptroorae si nteeihr eehr nro ether aubsece st'i aylrle stuj Blecl "ciotnufn" +1



 +3  upvote downvote
submitted by andremosq(9)
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toeiuQsn ssak about teh ceaus of hte aegntelernm of ymphL sdneo .. hmpLy neod racaeoPxtr eeglnrsa in na erxeetm lacuerll mmineu oseesrnp rioa(ctrlacap aeapshplir)y gtansia svuir tneiecfd lclse .gA2P0F(a ). T69 clles lagreeut cl-el midatee miyntimu ... CD4 T clels iapclesiylfc si the CRIETD lCel nIeumnm renspoe.s C8 D T ecll is oc.txyoitc

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lulumomovicky  STHI SI HET ERLA AITNALEONXP. akhTsn +
realnorthomfs  aerH rhea! 2F20A0 p96 +



 -9  upvote downvote
submitted by hayayah(1212)
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bcmyMarcoutei iuvam cexmolp nisfonitce rae a moomcn intocrupitops eonicntif ni netipsta hitw envaddac DAIS 4DC( tcoun &)05tl.;

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realfakedreams  hhaay@ya ouy were eigbn la.z.y .sh.m meHoi aestdrt -altvirerarnoit yaph.rte VHI cnfesit CD4 e-slCTl oghtuhr ieterh 5CRC or reom yconomlm C.RCX4 Beuecas fo r-avettirronasli rstta iwogk,rn HVI ntis blae ot cineft oearnym C4D T .lselc usTh CD4 t leocypyhtms lvlsee atrst to rsie nad rae bale ot ectiav B ellsc. +16
myf1991  hyW c'nat it be toycne?mo gaaphoermc eta AMC nda inrcttae thwi C4D +1
weenathon  9@f191my I laos iotycrlcern hsoce syo,eotmnc tbu if yuo kloo ta the unsqieot fuclly,era ti si elpasiicfycl iagnsk athw lelc is irqedreu fro eth mlyhp nsdeo to rgeea,ln ton ihchw elcl is gnlnahdi eth mtobecmrycaiu muvai ieifnt.onc neSci 4DC eclsl mluaestit B csell ot lfiertoprae ni yhpml node li,clsolfe ciwhh ldwou mkea mhte gergbi, 4D+C T elcls si hte rn.asew +4
j44n  mecaogahsrp dnto algeern deson in fcat yteh keam htme llesmr,a itegnl dybo sacm eta all hte bda B slelc ni a deno so veoidrpm amc nfx ulodw deraesce hte ndeo eszi +
mpel14  To add ot marian,@ na eniucofsit ieaessd odc siedecrdb ihst cnpceot ni an HVI retluec hewre eh aids ahtt ropir to het Tx ithw iailrneaovrtrt rhyt,epa eth tp sha scuh lwo D4C oncut taht rtieh uimnem messyt anonct fomr a nsepsroe ot eht ineoic,nft and ertfa ierht umienm ssmeyt is nigve a hgitls tboos wthi hte sgr,du ireth eimnum tyssme nac lyilfna e"e"s teh eonifictn &-t;g mtuon epssnroe &-;gt ecauss /SS +



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