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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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mFro hoaaPtm C.h 2 .pg :41 OPM nyeificced tusresl ni efidteevc onvceorins fo O22H ot HOCl. nsecrIade irks for indCada ifnxns alhtgou(h smto tnpiseta tammo).yctisap uilebotNr tzmaouilrte ttse is mrlaon cbaseeu the strporyraei stbur si aallcuty sltil .tntiac ishT atpenti ahs idndaca encifniot and del,adey but sllit cna llki hastp a, hcwhi leisynegm soeg nlgao ihwt eth cfat ttah hte eriyosptrar sbrtu is istll c,atint ubt htiuowt MPO ti may be deerdinh a lelt.it

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namesthegame22  N!cie ,sYe the TBN stet is lmonar hwti MDO.P If ti sa,sy "A neoubtirl itemarzluto stte soshw ienfcitde eitoudcrn yb nyo"lsreugatc = C!DG +

  • 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 htat si to ysa OTHB CGD(DNHPA oaixsde dfi)iccenye NDA yadrleMospioee ecnieficyd srseipeopds to ipot-alascseaivet bgu notei.cfin

02A20F 90P1 nloy mdeaiszhpe on "CGD eatnpti are ta nasieedrc iskr fro cnfioenit yb eacal+tas pseseic pabcela of iltaiengunrz iterh now 2OH2, vgnelia pyceotshga otuwith ROS orf gitihfng "ieftcnno.i utB npyreal,atp niordcagc ot itsh n,stieqou hist entmatste sdolh eurt ot pdelMoaeosyeri iicncfeyed sa lwle

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submitted by ilikedmyfirstusername(19)
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Wyh ton odesepiurx m?tisausde Its hte etps tgrih ni wneeebt HPDAN (oihnccr saanuulotgomr s)iedaes and MOP

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ilikedmyfirstusername  I seusg ttah ocdul alltpteioyn tmisnafe sa an enve weors epeopntyh ni DI?CS +1
thekneesofbees  Its ebeacsu ODS srfmo OH22, btu OH22 si rnkebo odnw yb sact.eaal nieSc tphaS reuAus si ltscaaae eosii,vtp it to'wnuld be ikdell by it .wnyaya +7
minion7  e@feeeokhbssnte ,,,,, so if tipatne ash ODS C,IDNICEEFY he actn eetaerng 2H0,2, so eh si uhcm orme eeibsutscpl ot teg kielld yb sn?gmi?rao +1
topgunber  heT rstfi ghnti to kepe gr:sthtia nearisotc ni WsBC rea nemat ot reasceni ..SOR. ielhw tarscnieo ni hoetr lscle ear to etg dir of ...SRO ieesoxrupd si cuhm etgsnrro anht 22ho dn(a si thaw 'were stneitg thiw eth srrpoetiyra srutb ttes fro DNCD-AHPG eiOasdx i)dyicf.eenc Sdei e:nto DOS eeicfdycni wdlou etifnams as lou ehggrsi' saeside LS)(A eeascbu udiseroepx si so oitcx it adsgema hte lsecl msvste.fhrAleeet DSO orswk no O, it ksmae O22.H elydooMrepeixsa ksate H2O2 adn unrts ti tnoi acbehl ).OC(l-H eTh noesiqut is niiglmyp tath OBTH ndidcaa adn htaps oanctn eb kielld by tish ia.enptt heyT are btho actasela i-tevisop siht naems htta if teh taepitn natc' ntru H22O toni het rrsntoge l-HOC then teh tleaacas seviipot anosrismg acn utsj runt 2oh2 iont awetr and e.oxgny hpoe atth emska .sense +3


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submitted by mdmofongo(0)
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rxieooyMeselpad is het onyl oen tlcaulya vindveol in miakgn rfee .lascdair taelsaCa seamk 22OH toni w,atre piSdxreuoe sdimteusa eimntleisa xoynge islrd,aac DLH aesmk atcaetl (on orle in ctrlieaba i,glk)inl dna ON aseytn,hs kamse N.O

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b1ackcoffee  I hhttogu OSD soal semoc ()ocesdn trafe htywaap (ngimak 2o)2h to akme H—lCO +1
mdmofongo  wNo htta I koto a ookl at het pahaywt nigaa yuo era rtg.ih nowinKg isth d’I say ttha eref sldacira of O2 tsill vahe a nehacc ot useca omes aadmg,e as reehw odHrngey oerdiexp tjus servse as a dteermtiiaen rof feer caildra ooaft.mirn Tuhs DSO eeyifcincd evseal emso ibeditalccra aincto btu OPM lveaes n?one +2
igurl11  So I dsisem siht oot cb I wsa oogknli for NHPAD Ox c(b I eietrnptrde leyeadd oactni aaingts hatSp A as NO feefct no lesctaaa ).+ Then eifyrlb cinddreoes MOP tenh diekcp SDO and voemd n.o utB POM aekms sesne bc sit deende ot keam hlBcae owh( iotnherslpu li)lk ;g&-t efD t=;&g aadCdin tnn.iicfeo aWth htye emna yb ylead ni tiacyvti orf Staph si tkanigl uaotb hte axter tpse eneded to seu teh aesb'crtia won 2OH2 ot htne ekam .cBaelh.. Btu sjut as eht cbiteaar is kmigna O2H2, ti's oasl ernmoivg it gusin ac.alteas oS ti take a ettlil lnegor to aveh nuehog ealbhc ot vhea a iibedclacrta cfte.ef +


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submitted by stunna216(0)
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why is terh xeapifyhrelr and a aisbnibk gins anegmni hatt ereht si na MUN iels?no

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csalib2  seadh ,up i nktih eoy’ur ni eht grown tnqisueo tredha +1


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