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NBME 21 Answers

nbme21/Block 1/Question#35 (28.7 difficulty score)
A 7-year-old boy is brought to the physician ...
Increased blood lead🔍
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 +19  upvote downvote
submitted by pparalpha(77),
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dLea cyoitixT :

eauC:ss rnioudispt fo mhee iehytsssn via niiibtiohn fo ALA lemenit(uiolnava atsa)deyhedr

Fs:ngidin

A: Aanmie

B: oBliichpsa iltsigpnp

C: clCio

D: riDrhaae

E: thnEhalaycpeop

F: ooFt oprd

G: uGm spgdtseoow/rtih iareudn/oatttrog

H: HNT dna pieyuaermhcre

rehOt wssnaer:

nicZ ecfeydcnii:

aesC:us wol atie,nk o'hCsrn sedisae

Findig:sn meimnu scyoftin,und daiprmei wudon nleigah (rof teh eglndiremo esaph of uwndo hlg,iena znci is eeddne by osesmrpeotalaeitln ot beakr wdon ypte III c),lgnaloe ogo,hinsaypmd hrar,iaed tamii,trdes leaapioc, lbramoan attes dna lsmel

xEecss is re...ra utb can dela to /vnd/ dna odabamlin ianp

eMnsiumag encifyecdi:

a:uCses l,iactegonn py,oaliru unio,rantiltm xaevlati eusba

:insFndig tty,nae ermuepart cueanrlrtiv rictn,otonca aescednir QT lriaentv

2B1 neieicfdcy:

au:sCse ngvae ,eitd inpociseur iea,anm tnrpaeacci ,sieuss garcits syasbp ,ugrsrey oabtaimoplsnr C,r(hon seur)p, rpiDoyutoihllbmh arcma/ltetupowm niieotncf

Fngdsn:ii rci,atymocc iaeltosclmagb meaan,i rouen ,mtyspoms eedrsncia etoiencmyhso adn AMM elvsle in mresu

sncereIda Viitmna D:

sa:euCs motgnlaausuro ideessa (sisr)ooicads

sniFgdin: beno ooprnes,tir oto hcmu l,cmcaui slso of taeppte,i pusotr

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. +  



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hist itaepnt etepssnr thiw mphoohiyrcc amni,ae ti nactno eb nohepmamsygaei sueeabc it nseotd ausce imana,e aontnc be B21 ecesuba it lduow eb almteo,cibsalg oacnnt be vntmiia D beasecu sti not aelterd to ohrhoicpycm aa,inme adn incz si idoaastesc htiw noir cefinidcey nie,aam utb sa a fyindcc.iee ,so lA dale npnoosigi hibisnti aefoscer,ahtrel ti olosk ekli na onri icfedeincy eamani but esicn esreht no hrtoe gllioac niootp it sha to eb the esawrn hree

6n3g6/li112bwm.un.w/9.sv.i/btptmcwpendo1h:/h




 +0  upvote downvote
submitted by nor16(49),
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cns mrl,epbo aimane ()hyop dna nkyeid ob.prmle

aynlFli nyol dela can esuac all of it