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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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 +8  upvote downvote
submitted by itsalwayslupus(48)
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romF omtPaha hC. 2 p.g :41 OMP eicfiyndce ruelsst ni tefidecve roosneicnv of O2H2 ot lOH.C dnecIarse skri for adCdian nxnfis gahuoh(lt smot eptisatn mai.t)scypmaot rNltieubo rueolmattiz tets si rnoaml ubcseae teh ypireorrsat urbts si ylaltcau siltl nat.tic siTh ipttena sah ddaainc iteonnicf nad dea,dlye tbu tllsi nca likl atpsh ,a chiwh ienlymges oegs gnaol wtih the tcfa taht the psyraoerrti surbt si illst tnc,iat utb hwiutot OMP it mya be idehrden a t.eitll

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namesthegame22  !eNci e,Ys the TNB sett is oarmnl with .MPOD fI ti a,sys A" beruolint zmaoiuttrel etst swhso eitfcdien deirtunco yb ygcasrleo"tnu = G!DC +

  • 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 ot say OBHT ANGHCDD(P dosxeia iyd)ciefnce NDA ylreoeMdeoasip ecdfenciiy esosripepsd ot eitvt-ipolceaaass bgu ioc.itefnn

F2002A 190P ynol dzhmeaspei no "DGC anetpit era at rscaideen iskr rof toineifcn yb tlace+saa esspiec ealcbap fo nizlgtuerina riteh now O,H22 eginval yshecogapt oiuhtwt OSR for nifhitgg o"cfin.ietn But ,tpepyraanl indocgrac to hits qe,sioutn sith nteamttse holds uter to yadsieMoleproe iydcneefic sa ellw

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submitted by ilikedmyfirstusername(19)
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yhW nto peidexurso t?usmsdaei sIt eth ptse thigr ni enewtbe PDNAH (hoccrni tarauoumlnosg essei)da nad POM

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ilikedmyfirstusername  I susge ahtt olcud tpiolnyaelt nfimteas as an enev swoer hnpeyetop in CIS?D +1
thekneesofbees  stI aceusbe ODS rofms 2,O2H tub 2O2H is nerbko ndow by sc.aleata cnieS thSpa surAue is aacltaes ,septivoi ti nwdtol'u eb dilekl by it yw.ayna +7
minion7  eekfnboht@eeses ,,,,, so fi atinetp sha OSD FNYIICE,DEC eh catn etnaerge 2,H20, os eh is mcuh emor elisbeuspct ot gte ldekli yb r?oiga?nsm +1
topgunber  ehT itfsr gtnhi to kpee shgraitt: soictenar in sBWC rea eamnt ot rnsieaec .R.OS. hwiel eorsicnta ni rehot ellcs era ot teg rdi fo ..RO.S sdreoeipxu is mcuh sgtenror ahnt oh22 (adn is tawh e'erw ttgesin htiw het prrotyarsie strbu estt for DGDN-PCHA xOaides dfcc)iinye.e dieS :oent OSD fncyidceie dlwuo manfstie sa lou hi'sggre aiedess AS()L ueabsec oeriusxdep si os ticox it deasmag the slecl shelefsevtt.rmeA DSO osrkw no O, it saemk 2.2OH oleMeayrpsioedx ateks 2OH2 dan rnsut ti oitn leahcb HC(l)-.O ehT uetisoqn is ymilpgni ttah BHTO aadidnc adn hatsp tnanco eb lldeik by isht ea.ittpn hTey are obth acaetals -vieistop htsi ansem htta fi eth iptneat t'anc utrn H22O into teh rnstrgeo l-OHC tnhe eth astlceaa ieopvsti ismsognra cna utsj ntur 2o2h iotn werta nda yog.nxe hpeo atth eksam nee.ss +3



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submitted by mdmofongo(0)
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reoMyexpadelios si eth lnoy eno yaltclua vdivnleo ni kiagmn erfe ailascrd. aCtalaes amske H22O ntio ret,aw rdSexopeiu madtseuis eilmtniaes exngyo ldis,raac DHL meksa tceatal n(o orel in abirectla in,l)kilg dna ON ea,sysnht sekma NO.

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b1ackcoffee  I gthutho SDO losa msceo dsne()oc ratfe tywpaha gian(km )2ho2 to mkae ClHO— +1
mdmofongo  woN ttah I otok a kolo at het waaypht agnai uoy era .hirgt nwoKing hsit ’dI asy atth eref dcarlais fo 2O llits ehva a ecncah ot eacus omes agmd,ea as heewr roneHdyg ioxrpeed jstu vserse sa a eniaedrttmie rof erfe daiacrl nmiorftoa. husT DOS yicdfnceie alseev osem aaicrtebcild tnaoci btu POM eaevls ?onne +2
igurl11  So I semsid itsh oot cb I aws igokoln orf PANHD xO (bc I neertdperit aeedldy iaontc taiasng hpaSt A sa NO eecftf no aecslaat +). Tnhe yrfblie cdeosednri MPO hten deipkc SDO nad ovmde .on Btu OPM masek nsese bc ist dednee to aemk hcBale oh(w unslerhitpo l)kli &t;-g fDe &;t=g iaaddnC ntfociein. tWha etyh mnae by ayeld ni yiivttca for ahStp is nktgila uoatb eth axret pest deneed ot seu hte iaea'crtbs own H22O to neth mkea .ae.Bchl. Btu jsut sa the rcieabat is kgnima H,22O 'tis laos mvoegrin ti nsugi .actaeals So it ekat a tiletl rlnego ot hvea hunoeg cleabh to vhae a iacadbcelirt ce.ftfe +



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submitted by stunna216(0)
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ywh is trhe heilaxryrepf nda a ibnkbais sign inmange thta theer si an MUN ioenls?

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csalib2  saehd u,p i khnit ruye’o in hte ngwro oqinetus adehrt +1



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