NBME 23 Absence of germinal centers in lymph nodes (NBME Answers)

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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submitted by hipster_do(8)

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’Im gingo to asy ’sti X nkldei blnogaigeamauilmma rterha tnah D,CSI tub teh cfeeidrenf betenew these tow aer ynti utb siht si hyw I ithnk ’its het rfrmoe:

yBo ne(iadsecr irks tub boht AB adn CDSI aer x )kediln
Rutenrcer lbeicatar tnoefnciis tub t’odn meitnno haderira ro rshuth chwih si in DICS
iTlieenm si tefra 6 tnh,oms os the ’osthrem abitdoensi woer of.f

CISD dlshou eb layiemdeimt aeucsbe yeth stuj td’no evah teh LI2 eprrste.oc DIVC hssow pu hwen rthy’ee -0420 yrsae .dol Yuo get snaetb ianemgrl ecensrt in t.obh No monnite of eatbns yihtmc sahowd wihhc si ni CSDI.

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placebo079 ”lfonriUmy“ olw si sloa a celu; ni VICD htye era .ton +5

tea-cats-biscuits sTih asmke sne,se thuhgo hwta elalry wterh me off aws thta ni ssCalci s’rotnuB anmmAegbigolaamlui ’seehrt azoenr-re B nsutoc gthhuo (or at aelst ts’tah hwat AF nad UDT ay,ss “Asbetn B slecl in rarhepeipl ”oodbl FA ,116 .20)18 The Q assy eht ekuotleyc tocnu saw mlanor ht.houg Wutn’old eth cetleuyok ntouc ldniuce ycyemohltsp ni hte filet?irafend Adn ltwoud’n hyomytseclp be low ude ot hte rane otceelmp lcak fo B slecl ni ilrraephpe niotciuralc if ti aws AB? +2

partybrockk icbu-sc@sittatsa-e sou’nrtB si a fliurae fo B llcse ot RME/.UTA/ oS ouy egt lamnro loemchyypt snc,otu cesdeeadr lelves of lunngmilbooimsu, nda stebna nlmaierg re.cnest +8

tea-cats-biscuits rcrkab@ytkpo Ttha kmsea neess to m,e tbu I kepe gnegtti nguh up no owh hast’t tno wtha eetrhi AF or UTD sasy autbo eth aislccs bal digifsnn fo XAL. TDU plcaiisylcfe ysas :shti toa“rayrbLo gifsinnd uendilc oa,obnlumaemayggo/ebmapamiguiihmlamiglanl edcftniei dtbinaoy nspresoes ot ,saniioiztumnm and bsneta ro klardeym rduceed B sclel in hte ”b,lood dna I eysiupvlor doqetu FA. I posupse ti eosd’nt yerlla ,artetm utb sit’ nfdyieteli a tbi srtgfarutin lsusen ’mI mgsniis emtohsing tboau ohw tebnsa B cells ni eht obold ldou’wnt ocalrtere ot a ceseedrad pomehlyyct ntcuo ... +3

temmy ealsep rcerotc em if i am rgonw soc i migth be ubt my cilgo asw rtehe is eeesrscda nmlogmlobuiinu onufiymrl naeignm het B slecl rae rlnofimuy ntbaes nad esinc heyt eldopve ni eht grlaemin ,ntrcee teh nelgarim tencer lliw eb ea.tbns +2

almondbreeze ekPcid rdase'eecd # of 4CD oyB-.& gthshtp;.lmecy'to C4D dna DC8 T pcehtslymoy wree eecdaft;f eth eecderas was stmo enouopcrdn for nvïea T cl.lse (6b/t/8thc9e/i.MnCvp000aPlpswh.:cic/tlnsm1i//ow.mwg.nr) +

an1 wLo Ig si omst kliyle a B llce errds.iod All fo them ibnge lwo lruse out Ag.I erWe' eftl thiw agmLamAX, C,DVI adn .DCSI CIDV sucrco tefra ryupbet nocgridca ot Bn.B ISCD is as if a baby hsa IH,V lusp teyh hvae na banste tmshyu (T esl.c)l rEteih ya,w be it AXL ro DISC, yhte BTOH ehav a cakl of laenigmr !srtneec +

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submitted by ∗tea-cats-biscuits(273)

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I tnkih I ndfuo thwa eth sesadei a,sw hohgtu I ehsylotn aehv on eiad wyh yhte wlduo tset sith retahr anth A.XL rTese’h a ticoonidn claedl Ttniarsne menagimgaymHiubalolpo of Innaycf. It rtnsepes lwo/w onlluoiniumgbm lleves ostp 6 hnosmt nad anc trpnsee la/mswl lymph osedn nad ssilnto in fnyainc TBU ow/ yan herot gfnsidin fo pyiramr icdimeenifuncmoy nidniulgc seaddreec ucon.st

e’rsHe an aetcilr botau ti: sr/.faasu-pirriinli-tlifsm-/seietyc-/foyay-mn-s/uyec:ommobenmouopiacai-tieindntennmrmabtahmiiopde/erpggipmfsyguer/achnepacits

You teendilfiy ot’dn deen ot onkw eht saeseid ot egt eth rreccto rnswae sinec the kiln of lkac of lignlbnoiuommsu wdolu celu ouy into het ckla fo alemnigr cent,ers tbu I hiknt tish is emor lkiely htna XLA encsi ryeev rosuce I edra ipilems ttah B clle nctsou aer near 0 ni eth csisacl ntnaeretoisp (nlseus ’mI singmsi a reonas ywh ueyteoclk ouctn fid/fw oltuw’dn hwos a nniistgfcia desacree in htcsyyplmeo deu to ren-azreo B .l)cels tJsu dntaew to tup sthi ereh in aecs ohret elepop trale meac ,igwnrnoed ghutho I may siltl be rn.gow

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keycompany I hknti ew ear lla gkninhtviore itsh esqtnoiu (and ti is kremalabyr p)is.eml I t'nod ihtnk ihst osuitqen si ietnstg su on yan fo het FAPU fcodyeiuemimnnci s,esonydmr per h.Ws ay ta teyh rea ylerla kisnga is wath" dwlou sola be tasneb if ehetr are on mogmiublosnliun nda tyievrenhg esel si o?nlr"am Teh wrenas si enastb narilmeg tnscree c/b htats' wrhee Ig si zn.diheesyts I ntihk htye upt all eotrh sctasep of eht thyrios in hsti tesm tusj to ephl yuo lrue tuo yna of teh etohr n.raessw +12

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submitted by lilamk(12)

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I emad a yuckl ssgue dan cehos hits ubt I nt’od inhkt for the itghr rsnaeos. I ohtthug ybmae eh sha KBT dfonisiBt’yerecnu/c enaigbiaoAm.mlmag ,tuB nwo htat I ma giong orev it I ’tnwsa .eurs Wlodu hatt wohs a mlnrao okelutcey denffierlai?t sI ti IC?VD ntdi’D nkiht DVIC lodwu ehav estbna anmeirlg setrnec in plmhy dne.so ahWt lsee oudcl tsih ?eb

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lispectedwumbologist IDCV sesternp in taoudodlh os ist' tno CDVI. CIVD olsa o'dsnte hvae absent emianglr trcenes ni yplmh o.dnse yM ddeu sha srunot'B anabmaimglaegomi +2

sympathetikey hatW pdceliets@ di.sa +

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submitted by ∗abhishek021196(119)

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eaMl i,lhdc uerrenrtc itfcsenion, no emutar B lslec = rBtuon deaiess (eXnk-ldi am)bilgugaoainemmla

Cnommo ebvcanalceryiid ueimnmiof - cDetfe in lceBl- oeiadtrfiinfet.n eusCa nnkounw ni omts y.a seascM erstnpe ni oddhhtl oucbi ulluysa eanidgdos f b.yunpdetsraeectrreIa rski fo numuoaimet hsrnetees,a sibciodsc,ia mmlmrhanolnu ,spapyoyoi sDfoisntcncereeadie slamap cesec eerslDald, nniblgoimmlouus

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