need help with your account or subscription? click here to email us (or see the contact page)
join telegramNEW! discord
jump to exam page:
search for anything ⋅ score predictor (“predict me!”)

Retired NBME 23 Answers

nbme23/Block 1/Question#22 (reveal difficulty score)
An investigator is studying the adverse ...
Presentation of antigens to CD8+ T lymphocytes 🔍 / 📺 / 🌳 / 📖
tags: immuno repeat

 Login (or register) to see more


 +11  upvote downvote
submitted by sajaqua1(607)
The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here
unscramble the site ⋅ become a member$279$49

MCH I ntocfuni si ganielrt ot enccar .oepurisnsps MCH I adiysspl oeyugelnsnod eythiszesnd eniotprs and pneestrs tmeh ot 8D+C T lc.sel heT rieaflu ot paidlys CHM ,I or HCM I dplaisy of nlnsoe-f na(d by teiensxno rcsc)ueoan rtpsoien rriesggt a leaulcrl neumim enre,spos gneaidl ot urcieodttns fo eth el.lc

ehT seaoepmort is euds ofr the engdaaidrot of wnor uto, scee,nnste or oadeflmrm ro.pstien As ncreac eslpovde, more itauomstn deal to ediascern rognw ts.poiern Only yb oeinsperxs of eht mrpoot,eaes or sti sne,oxsieevrpor- nac eshet ttunma esnoprti eb dededarg ftas hgnoeu ot ont eb dypilsead by CMH I and leda to hte lecl ebing dl.lkei zmibreBtoo cbolsk hte or,smteapeo so the aunttm petroins era ydasipdle no the ,aecsfur nolailgw the neuimm tysesm ot rneoicgez and llki oialthcoplag lescl.

unscramble the site ⋅ become a member$279$49
catch-22  teAohrn ywa to raochppa it is to khnit oatub CHM scsal I so.csgnirep cliBsy,ala fi ouy tihnbii hte oemsar,tpeo eispeptd wlli not be rgendaeet nad nonhgit si baivaaell ot be leaddo tono CMH I (meeebmrr HMC I hsa to be eadlod oerfeb i'ts tndartrsepo to teh elcl suc.)afer eCsll ahtt 'tnod rspexse CMH I egt diekll yb eht taunlar .relksi lap4ewcts.MP3vbg/C/h7lwl.t2nms6p.o/m/.twin1i/rc:2hnic/ +32
kai  "In ,inccnolsou ew evha dseanortdmte taht teh seraoeptom tibhniroi merotoibbz lrteuwoagdsne- cassl I dna hecanens eht ysveitsinit of myamole ot KN eitleemcd–dla l"ssiy romf hte snlcuoicno of teh IHN rpeap +6
maddy1994  tehanro meanmsich is by nlboigkc eroopeostm u vene cdraeese otidrgaen fo pptopcrtaioo sts..ioeornp. ti shencacne (somoprstaiopf wrod)lu +6
azibird  uBt 8+CD and KN lcles likl vai fno!rprei hWy si hits sarnwe o?nrwg Is ti ecauesb t'is ont eht prmyria cfet?ef +2
testready  Te"h emsoaetrop is het armjo srcoeu fo pityoroctle iitytcva ovelnvid in the ganirtoeen of dppsteei for tersinoptean by ojram ihioacibtlmsyotpit coelmxp scasl I colelmes.u eW orptre the wne satnovioreb ttah izomertobb e-rtsuonwleadg AHL alcss I on MM sl,cle gielnustr ni daeciersn NK ll–deimdeecat ss"yli. .4r/2vc/:ei2.s//paphsmn7Mcghtw.n6CnP/wb1wi.l/iltmco3t +
fatboyslim  I tnihk awht OP disa sanocdcrtti ithw ahwt c-2tac2h@ tidec ni het udbMPe .tcaeilr +
an1  OP asid Olny" by sipnreseox of the orm,etoapse ro its pes,oeo-vnsreirx cna shete tnatum orisnetp be daddeger tfas hognue to tno be dyilaepsd by HCM I". WU QID 11764 sasy tath a ntoerip ogreunsed niarddeogta by teh iuutnibiq stoerpaome twaap,hy etafr wichh ti soge ot het RE and neht si ptdersene to eth lecl ueasfcr orf MHC 1 psnsreoe nlieagd to stopoiasp vai eprrofms nda rnyzasgm.e ngHiav a rapsoeoetm ibironith uolwd ylctaaul etrnpve the HCM epneossr acebseu no niprotes are ydd.lapsie Aslo oent hatt het sniqtoeu ssay chhwi rcpsoes illw be taefc,fed reeht si on niomnet fo rnesecia ro raseeced. So ,esy the CHM 1/ D8C asatpywh si ca,efefdt tbu i'ts tlcaaluy ownd lugdr.taee nA cbseane fo CHM 1 delas ot KN lecl ediemtad eat.dh +

"Studies have shown that proteasome inhibitors block the assembly of MHC class I molecules and this is almost certainly because they are stopping the production of presented peptides that are needed for this process (6)." https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3094101/



 +5  upvote downvote
submitted by tinydoc(276)
The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here
unscramble the site ⋅ become a member$279$49

JmespfoHyzuIUht5/u/h:3/b.tRt

MOA fo mesroptooe rbsoiniiht fro .MM TL:RD si taht eyht ycablalsi clokb eth oeeptomosr frmo otgncfniniu so ahtt oyelmma ellcs 'atcn eryclec rsnoipte heyt( ekma a ton fo them) and hnew yeth 'tcna eb rccleyde ythe iubdl up dna ttash itcox ot het clle adn it de.is

yboedn htta eth sqnuoite si aiabsclyl aigskn fi eht itbinniiho of ssporeeomto tins ispicfec ot eth Myeaolm leslc dan ti tnbidiieh reoht e'lslc stepoesmoor wtah ulwdo eb ?efctefed

HMC lscas I is pertens no lal eeutnladc lecls (lla elscl in hte odby extecp CR)B nda ntcnuoif to etpesnr onnsogeued gentnias ot DC+8 t cesll ot be tereddoys (orf emexpal irlaV AND in na cedetfni lcel). Teh yaw they od ihst is by ntgkai het pterion it seend to entersp and airkgbne it wond iont uchm rmsalel eppdiet achisn (os it nac fit no the IC.MH fI itsh tpes wsa indeihibt ni rehto ellsc hent eth het saPtntnreeio fo HMC I ldtunwo eb blea to erstpen tehir teangins ot CD+8 T ecsll and altaurN illrke clles. as het itoeuqsn .iplisem

ehT stueioqn asw usepr rcyitk scubaee fi uyo t'dno oknw how toeosrempo borstihnii owkr ehtn yuo strta golokni ofr an renwsa atht dwlou lepniax how teyh lwodu klil rotmu celsl sa l.lew I got ti gronw ot.o tI deruerqi lnewokdge fo teh wya CHM I sepsenrt teipspe.d

unscramble the site ⋅ become a member$279$49



 +4  upvote downvote
submitted by krewfoo99(115)
The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here
unscramble the site ⋅ become a member$279$49

hyW oulwd rnrfpsoei be eth rngwo rws?nea utndlWo uulccointama fo octix riptseno aucse the ecll to odgrnue pstsooapi ?

unscramble the site ⋅ become a member$279$49
ergogenic22  eitzboBrom edso ont clytidre itetcaav fnori.rep It icdrelty hbsniiti hte rtpeoasemo hichw → senable C8D+ T llesc ot aeittnii tppsiosao → aiv nreoifrp reelsea ni( seeecsn a rnmstdaowe ft)cee.f +4
drzed  lc,xytaE it grriesgt eht lecls ot durgneo itosapops ihwhc nasme ttha it nac riehte eb lecl dieematd rfeinop(r and rmagyezn avi L)SFA/AFS OR it oducl asol eb hhrogtu teh rnicinsti hpyatwa .(g.e orlctamndhoi;i cmothyceor c) +
powerhouseofthecell  ui:tQosen tuB woh do DC8 csell avhe a erol in iths pseocrs xtlacye ni eth egetit?vn Is it nigsay atth ehwn teh oiprsnet ldibu u,p only thne do 8DC lcsel mceo nad itesnad of MCH I ngetirenps to orstpsm,eoae ehyt trneesp ti to C8D to aenittii pipsato?so +
flexatronn  hluerswoce@othleofep so it lal ogse cbak ot icbsa nmioum i( gto hist rwogn nda utp oosippsta sa el)wl btu rtafe genriivew aenetvlr akin cs,adr i wno egt .t Sio sstoomrpeea reabk wnod gatdeg onipestr tniwih the clle .snno(udeego) heT nkbodewar tdpoucsr teg knaet pu yb rostprnta coaseidats twih ntngiae repicsgons P)A(T dan thrgobu ot eth huorg E.R heT noebwkrad otprucsd rae ehnt daleod noto MHC I oscleulme nda hurtogb ot het reuafsc of hte e.lcl hneW nghtniki bauto HMC I, ntkih oatbu 8DC+ T lecsl AF( HMC 1 x 8 = wo8DCN. ot mesmuz,air wehn gnisu a eeotpoamsr rn,ioihibt ou'yre kocinblg that aggtgni nad HMC I ioladng eprsso.c As adsett fbreo,e DC8 cisgeroezn MCH I hhicw( 'nwot ehappn hwen gnius sehte )srgud +3
whosdaprincesss  noltr@feaxn khtna uoy !!!! +



 +0  upvote downvote
submitted by abhishek021196(119)
The site was recently locked🔒
It can be re-accessed by making a purchase.

Purchase your membership here
unscramble the site ⋅ become a member$279$49

teBbziro,mo orimafblzic

aenhmiMcs = saeotPremo itr,obhnisi cnudei rasert at M2-G hsaep dan oa.opstspi

Use = iluMplet yemlmoa, lmenta llce .ylampmho

vdA efctEsf = rlpierhPae norhteupya, hrspee srtezo raticovietan

unscramble the site ⋅ become a member$279$49
tyrionwill  undre Bo,eibrmotz eth esaeootpmr ontacn edstgi vairl gA adn nseptres it to eht mneea-bdonbrmed .HMI-C hrrTefeoe TcCD-8 noactn igrzeecno eth hsot sellc tincoangni pladrsee VZV. aTht is rbylopab wyh elnhisgs si neo fo eht lropapu edsi cfefte fo be.toizrBmo +
kcyanide101  hTe durg ihinbits ooteoesmp.r cHnee rehet si no tgemnfra aveilabla huroght PAT ideins CD4 llec ot odla nuot HCM ...I. sA cush eth DC8 nnsoperaetit ot clelT si nevertde.p hTe gluumtanciac isrtenop denisi eth 8DC lselc wchih rae not egibn orbken wndo yb teh pesooortme cesau ti ot rugndeo saopitpso +



Must-See Comments from nbme23

ferrero on Precapillary resistance
yotsubato on 99%
sne on Triglyceride
sajaqua1 on Area labeled ‘D’ (Spinothalamic tract, right)
stinkysulfaeggs on Hypoglycemia
hayayah on Iris
soph on Peak inspiratory pressure (alveolar): ...
seagull on Area labeled ‘C’ (Cranial nerve 8: ...
water on Dietary change
wired-in on 28.8
beeip on Binding of permeable ligand to nuclear ...
thomasalterman on Hypoglycemia
yotsubato on Inhibition of the cytochrome P450-dependent ...
seagull on Decreased sodium bicarbonate reabsorption in ...

search for anything NEW!