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NBME 21 Answers

nbme21/Block 1/Question#35 (reveal difficulty score)
A 7-year-old boy is brought to the physician ...
Increased blood lead πŸ” / πŸ“Ί / 🌳

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submitted by βˆ—usmleuser007(435),
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rioosuNrv kSech)ty( = tAffecs weerh a tol fo oeeppl rea ni qurreeclssa ot - csiyellpea ocmnmo no icrssue - %09 fo lla eahlrraid toabsekur on sesciur

submitted by βˆ—pparalpha(90),
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daLe ioyitxTc :

ses:Cua itosdiupnr of emeh ehnstsysi aiv inibhtiino of AAL nvomei(altiuaenl y)reaeatdsdh


A: menAia

B: oiispBchla glpptnisi

C: Ciolc

D: rhaearDi

E: cpelhatnapEyho

F: oFto pdro

G: mGu /tgiorsodwephts ot/taogdnierrtau

H: HNT and crreephuyeima

Oetrh nasserw:

inZc einceyfcdi:

uCss:ea olw n,iktae 'rnsCoh iadsees

ngiFs:dni eimnmu ycdtun,snfio mreiiadp wnodu angeihl (fro het edgemiolrn hesap of nudow nailhge, nzci is ndeede yb leotlmsptaesireona ot akber ondw tyep III nl)lecga,o pdgos,mnoyahi e,dahiarr mstd,itreia ia,pelaoc ombnrlaa tstae nda mlsle

sEsecx is a.rr..e ubt acn aeld ot /dvn/ nad mobndiaal pnia

seuimgaMn ieinfcydce:

Ce:susa tn,alniocge aopruyli, uttmnanoliri, xaetaliv sabue

inds:ignF n,tayet eeprruamt rtienlacurv tonnria,coct nsdcireea QT evrltian

1B2 feidynceci:

C:saseu ganev ietd, oscnurepii na,iaem tcrcpeaain usise,s iatcgsr bspsay suyeg,rr aoposmtbrialn or,Cn(h pes)u,r rDbpuooiyhhlmlti ea/rlcuttpomawm nceotifni

d:ignsnFi oacryc,icmt malegsaloicbt anima,e noeur ,toymmssp eesnracdi soehoeitymnc nad AMM evllse in seumr

cIdreanse iatmiVn D:

eC:uass tgounsaroluam eaiesds ()oioadsscris

dsinniF:g beon tops,nrioer oto hcmu ,uccmial osls of pietaep,t otupsr

lovebug  2019 FA, pg 411. +  
lovebug  Nephrotoxicity results from lead exposure because the kidney is the main route by which lead is eliminated. Lead is absorbed by the proximal tubular cells of the renal tubules, where it binds to specific lead-binding proteins. +2  

submitted by βˆ—forerofore(66),
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siht eatnipt respnets whit oycrmcohihp a,manei ti ocannt eb opasyhmegmiena asbeecu it tdsneo cuesa mienaa, toancn be 12B subaece it wudlo eb ibsctellagma,o ocnatn eb aiivtnm D beaecus sit tno eeatldr ot omyicprochh nae,ima and cnzi si eioadsastc with rnoi ifeidccyne iaamne, tbu as a .yfiicenced Ao,sl dlae pgnosonii iibinsth cseeehoarfrlat, it oloks ikel an nior fdieicncey amanei tbu cnsei tehers on trheo ilocalg onpito it has to eb teh anrsew hree


submitted by βˆ—nor16(66),
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cns lmber,po mniaae po)y(h nad nekiyd p.mobler

aFlnlyi lnoy dale anc cesua lla fo ti

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