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Retired NBME Free 120 Answers

free120/Block 2/Question#17 (reveal difficulty score)
A 6-year-old girl is admitted to the hospital ...
Myeloperoxidase 🔍 / 📺 / 🌳 / 📖
tags: biochem repeat

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submitted by itsalwayslupus(48)
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Fmor athoPma .hC 2 pg. 1:4 MOP dyeiecicfn trlsesu ni tedfevice soinvrocen fo H22O to .ClOH sIceenard kirs fro Cdaidna sfnxin g(aolhuth tosm ntpetsai csiaat.o)ypmmt rioeltbuN ulztimoreta test si lrmano eaesucb eth reaiyotrrsp utsrb is aacyltul lislt ttinca. hsTi pitaent hsa cainadd niiefcnot dna ,edlaedy tbu lsitl cna llik paths a, ihchw ieygmlsen esgo glona thiw the fact ahtt teh irasrytpoer utbsr si lilts cintta, utb uiowtth MPO ti amy be eedrhndi a it.ltel

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namesthegame22  Ni!ec sY,e the BTN tste si lranmo itwh .POMD fI it a,ssy A" irnetulob aioturtlzem etts woshs tfinieecd cedintruo yb utnoygcesa"lr = C!GD +

  • Myeloperoxidase deficiency (MPOD) is a common inherited immunodeficiency syndrome characterized by the inability to produce hypochlorous acid within phagolysosomes. The disease is typically mild and may present with recurrent Candida albicans infections.

  • CGD is caused by NADPH oxidase deficiency and results in impaired intracellular killing of pathogens. This presents as recurrent pyogenic infections with catalase+ organisms such as S. aureus with normal concentrations of leukocytes and immunoglobulins.


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submitted by amy(4)
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oS that is ot yas TBHO DAPHN(DGC daoexsi )cfendcyiie DNA ioeerydlsoepMa eiyfnidecc odieprsesps to aclispesveaat-toi bgu fe.iiocntn

22A00F P109 ynol mipeezhsad no GCD" peitant era at aeiecdsnr srik orf etifnoinc by e+aatlasc esepsci aecbapl fo itnuzaegnril hetir won 2,O2H lnivgae psgahcotey uwohtit SRO rof gifnghit i"onfe.nitc But parptl,naye raincdogc to tish os,iqnteu tish mtntteaes slhod uret to rysMapoeoeeidl nifdeeyicc sa well

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submitted by ilikedmyfirstusername(19)
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hWy ont oxsrdeiuep ?issumaetd Ist teh pset gihrt ni tbenwee PHADN hc(roicn moaustnrlugao s)adeesi nad POM

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ilikedmyfirstusername  I gsues hatt coldu iplnleyotta teiafsnm sa an veen esrwo hnytpeoep in ?SCDI +1
thekneesofbees  sIt aseecbu SDO msofr 2OH2, btu 2H2O is ronbek nowd yb csaaalte. neiSc Shpat sAreuu si aecltasa po,sitevi it onulwdt' be dlekil by it yawyna. +7
minion7  beoh@enteessfke ,,,,, so fi atntpie hsa OSD ,ICIDNEFCEY he tcan eretgena ,H202, os he is much ermo ecbisesltup ot teg lliekd yb m?on?arigs +1
topgunber  heT ftsir nhgti ot epek s:tahtigr srtceaoin in BWCs aer tnema to naicrese S.RO.. ehwli recntaios ni retho cllse rae ot teg dri of SO...R rdxopeiuse si mchu toegsrrn hant h22o (dna si ahwt ewe'r tgtnsei iwth teh ryrspreaoit utbrs stet rfo ADGNHCPD- sxeaidO yef)n.icecid eSdi neot: ODS iefncdcyei udlwo emfiatsn sa ulo rheg'isg isesead A(SL) ecsebau spreoiedux si os cotix ti dsameag eth sellc lsrvtAhmfeeetse. ODS rkswo on O, it skmae H.O22 dsiarxepoeyoleM steka 2OH2 nda nrust ti oitn baehlc .-(l)COH The tiuqones is imnyplig that OBTH iddacna dna shpat tcanon eb kleidl yb htsi tipa.ent yheT aer ohtb ceaatals -ievspiot ihst nasme taht fi teh eattpin ca'tn nrut O22H iont eth srngeotr -OHlC htne hte ceaalsat vitesiop mosasgnir nca tjus tunr o22h itno rtewa and noge.yx phoe htta kaems nese.s +3


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submitted by mdmofongo(0)
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dsooMipeexleayr si het yoln noe auacltyl dleovniv in ingkam rfee ladcisr.a lCasteaa ksaem H22O tnoi e,atrw exreoSupid ieuassmtd insamliete nxogye rcsa,adil HLD kaems ctealat n(o elor in teialracb i,kligl)n adn NO sne,hayst kseam .ON

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b1ackcoffee  I uhtogth DOS soal ocmse d)cnes(o efart hpawyat nmak(ig 22oh) to ekam —COlH +1
mdmofongo  Now that I otko a olok ta het atapwyh agnai uyo are tirh.g iongKwn iths ’dI ays hatt erfe arilcasd fo O2 tslli have a chacne to sueca osem agme,da sa hreew doreHyng xodeperi sujt ressev sa a ietednematir ofr fere iladcar rnoiato.mf uTsh OSD dceineifyc vaeels osme iaceaitbrlcd iatocn btu PMO lvasee ne?on +2
igurl11  So I imdess tsih oot bc I was nolgkoi ofr NPHAD xO (bc I tnpdierrete dleedya otican ngasati aShpt A as NO effect on aaatslec .)+ Tenh iybfelr eidnrscdoe OMP hent deipkc SDO dna vdeom no. But MOP meksa ssene bc sti deneed ot ekam eBhlac oh(w sriulonehtp lli)k g&;-t eDf gt;=& daaiCdn fiotne.cni athW ehyt amen yb elyda in atviyitc rof Sathp si kgianlt atoub eth atxer pest edende ot esu eth cai'aebstr onw O2H2 to enth meak a.Bchle.. Btu sutj sa teh ecaatibr is ianmgk OH,22 is't laos vneorigm it ugnsi laesacta. oS it eatk a ettlli lnoerg to veah huenog ehbacl to heva a cetilaaridcb fceetf. +


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submitted by stunna216(0)
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why is rhet ahifexpleyrr nad a ikbsaibn nsgi inamegn taht eehrt is na NUM sln?eoi

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csalib2  ahsed pu, i khnit oy’eru in het nogwr squetoin hadtre +1


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