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Retired NBME 21 Answers

nbme21/Block 1/Question#17 (reveal difficulty score)
A 7-year-old girl is brought to a clinic in a ...
Methionine 🔍 / 📺 / 🌳 / 📖
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 +28  upvote downvote
submitted by usmleuser007(464)
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If ouy 'duoctln reemmebr hichw rewe tln;aeesis neht attelvriaen ldowu eavh eenb to eelizra atth wgoigrn nriedlhc dene csell to vid.eid sThi irrqeeus ADN inptaceliro and oaannit.stlr fO hiwch eht cnilcue dcia meithy si npiaromt.t tI eserrqui a metylh an.rtrfes

Tish is eehrw eenmoinhit eocsm in. inhtnMieeo eisnmboc thiw PAT ot fomr SAM a( mylthe or)dno

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whossayin  ’shtTa a dnrelaegy ilxntaeoap.n kThsan deud! +
makinallkindzofgainz  hTsi is clxytea how I lveods i!t I emembederr atht ineehointM is alstisnee fro hmelty rsenr,satf dna yuo wdluo need atth ni inigidvd woi(rn)gg lles.c tuB nwo lIl' jsut rbmereme PVT MTI LLHa oto ): +2



 +15  upvote downvote
submitted by nosancuck(102)
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Yo gwda ew all tbuao PVT MTI LHaL

nPahy,linaneel eVlia,n KA,DyrpTtNo neihr,nTeo ecsl,Ionuei ,etinnioeMh Hi,sinteid iLuecne nyiLse

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meningitis  I tnod' ersdtunadn thaw hte euoqnsit si ski..nag. acn esemnoo aplese niaepxl it to teiem naPt? dotens aet etioprn, sehs hy.ubcb Wtah sedo nnitimeeoh evah to do tiwh ?tshi +4
charcot_bouchard  Jsut blasaicly asgikn hcwih is seneailst naiom c.disa +4
usmleuser007  ntleEisas omain siadc hotie(msgn i cmae up i) wh 1.t eThe"r HAL nfsa wlil rty m.a" e ht hTinnoree = eTher b. initeH;ids nnigrieA; Lesnyi = A L.Hc lnelinaayhPen = nasf d . iVna;el nsoice;Ieul ueceinL = e . wlil paoTtnhypr = ry t. f iMteenhnoi = me ht +4
nala_ula  eyTeh'r sngiay teehr si a lcak fo odog yqlauti pnietor g;t-& lsithg utotnirlina ifdcyin.cee ehS mya have eardqciu etwhig ubt ts'i otn eueacsb of rn.poeit So heety'r ycescifaipll ngkisa hwta manoi cdia ehs hmitg eb smsigni ued to reh prusba ide.t ciSne nssetleia nmioa dcisa are hoset ttah eht body ocnnta meak ts,lfie out off sohte di,lste emnenothii si eth asilsntee inamo ad.ic tsI' on egap 81 of AF 0.129 +11
nala_ula  crcoter me fi I'm wnorg ealsep :) +
hello  oFr eanyon oceudsfn igntry to woflol smelsu0@u0es'7r mmcteno si-gltl-y h iiomdesElftnaieds noiam dcsai minocmne ,hA" Three fasn lliw ytr "mthe Ah = r,iniagne deetihn Teirihs = rhoein nFTneas psan=)h( illlhinVaaPy nene (Wlli -- raneGm tcacen niornupgcno nhsiEgl wodr )''lwli = ei,vlna olciieenus, ceien,lu sleryi nTy = Mhrhpyttoptnea = niioeMhent +2
pg32  yWh esdo loeh@l nda @mul0eesu0r7s cinoenmm nticnao ainiergn? athT tn'si in het TVP MIT HLLa onmcmien rfo esneslita ioamn ..idac.s +
paperbackwriter  p@g23 riengina si isi-etselm.nase tI is inselsaet in rtperme fnaitsn owh anncto yihesentzs it 1/0a/i.D83peh/cerwc9sm%/wsi0evwp/5i0.i6c0ide5ttltrun2e0b:nhcc3ci0eiSa?o7is/ct4 +
ankigravity  'Ist asol aneeltssi in eitsm of iepitosv tongrnie naacelb ,.i.e( owgingr kdoid)s +



 +9  upvote downvote
submitted by usmleuser007(464)
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.1 eh"Ter ALH snfa wlli try "tehm
    a. iToeennhr = ehreT 
    b. deiisnH;it eAnrigin; Lniesy = L
AH    .c ynllnieaaPhne = sa
nf    .d Vealni; Iouc;snelei ceeLinu = lw
li    e. Traoptpnhy = ryt
    f. nnheioietM = et
hm
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pparalpha  nkaTs!h Godo cinmomne +1
b1ackcoffee  bste eiocnmmn +



 +5  upvote downvote
submitted by usmleuser007(464)
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eastlines oimnA iacsd (A)A

1) dstulA uqrreie 9 A()A = abel to amke negnria iav aeur cc2yl )e leCrihdn erirque 01 A)(A = thye aer sllit e)eldgpio3n v hWit UPK tiyrones eemcsbo aessnielt in tboh daulst and nrhlcdie

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 +3  upvote downvote
submitted by drzed(333)
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teLs' sya ouy didn't kwon inmeoheint saw aeesnit.ls

()A leainAn -- you nca rcaete elninaa rfom eht myneez TLA lei(anan sma)rr,feosanneita thus sith emnzey cnonat eb laessinet

B)( aAttpsrae -- yuo nac earcte artesapta mfro het eyznem ATS tsaeartap( e)rsosfaineatrmna, huts tsih neyemz tcnoan eb lesnetsai

C() nGylice -- htsi noe si wlo y,dile but ti si edam fmro ienrse s(irene + HFT t;&g- CO2 + TFHMe- + l)ecg.nyi If you tdndi' okwn oaubt ,htsi ouy had a 005/5 hsto

E() yoesnTri -- uyo acn etaecr stoiyern ofrm plnylaiaeenhn lsnus(e fo srocue uyo vahe onn,lkryieuhpeta) and usth tshi nnatoc eb i.saneslte

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 +0  upvote downvote
submitted by hello(429)
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Fro oynean dsenucof gniyrt to lwlofo m'@elsusrs07eu0 enmomtc

ityghSll ofeiddmi

sleaitEsn oinam adics onnceimm Ah," heTre afsn lwil ryt eheht"mt

hA = nea,inigr ihetsniid

eehTr = ohnienrTe

asnF (phasn)= Plahnnnlayiee

lVli w(lil -- menGra cntace nrunonpogci gsihlEn dowr l"w"li) = ne,iavl ,clieueonis ,cinluee nliesy

ryT = pytanhotrp

eMth = heiMnntoei

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 +0  upvote downvote
submitted by mrglass(47)
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ehT way I ermmbeer hte isneetlas miano csida is yb einneefrgcr the aonim cidas opgrus I rdaaley k.won So hte lneiaesst nmioa asicd a:er

  1. The nrcheadb hcani oniam sd:aci cuinleoseI, eci,Lune adn lVniae

  2. eTh rndgei nmioa icdsa PCXTEE rnoeTsiy (whcih oemcbse elsteians ni ohset with UK):P arhopTpty,n ietn,Hdiis alalnPeeinyhn

  3. eTh rusufl inongianct aomin :idcsa Cisnytee nda Hsniidtie oY(u will ees eedtba revo ewehhtr ntCeisey asqiiflue sa astsileen or to)n

  4. heT two ouy tsju ehav to mm:oizere nonTrheei and enLsyi

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mrglass  I eatnm to say siCyeten dna oie*nMtnieh +



 +0  upvote downvote
submitted by saqeer(6)
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a ltteil idaisenmlg her nsceeria ni wghtei meda it mese sa fi ehs had wlo hdroyit hoonrem dna tiyseron si a rps.ecourr

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b1ackcoffee  tub sodmrhoyitpyhi udlow eardesec eht th.iehg +



 -3  upvote downvote
submitted by codyluvr95(6)
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1B2 eomsc frmo rintpoe adn si a anseycres atrccfoo rof inhoenemti syeahstn. oLw B12 = olw inne.hmieto

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 -3  upvote downvote
submitted by mcl(671)
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ehonitMein is an lnasietes noaim d.iac All eortsh tsleid rae n.ot

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scalpelofthenorth  gP 81 isyenoTr si dlesti as an nleasesit AA. hudSlo eb tpynptharo for sheot hwo gto hits nogwr kile em. +
neonem  uBt syntieor acn oemc mrfo llenyhainapne, os tis' tno lylera aitelness htirg? +1
gh889  in AF910,2 it si ldiset sa yorahtTp,pn ton oineryTs. ahTt was .rtcrodeec +16
usmleuser007  oN:te Tyiroesn si OLYN eeitslnsa ithw KUP in rndhliec +
niboonsh  bro A0128F sitls ortsenyi sa an saeistnle .AA hyTe eydpal s.u +1



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