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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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moFr otahamP .Ch 2 .pg :14 OMP iineceyfcd srltues in eeevitdcf vnesoniroc fo H22O ot lCHO. snaeIrcde kirs for nCddaai xnsfin lhtha(gou toms tpnasiet ommt.)csiypata Niturloeb itoeulzmart tset si moarln bcsuaee teh eoitrrrpsya trbsu si clayltau stlil .aticnt hsiT itenatp hsa dacdain inoicefnt nad ad,ledey utb slilt can klli tpash a, icwhh nlyseegim oges alngo wtih eht ftca ttha eht rptriyearso bstur si ilstl t,nitac ubt tutwohi OMP it may eb hdriened a eilltt.

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namesthegame22  !ecNi Ye,s the TNB stte is alormn wthi .MDOP If it ,ysas "A ubeilront itmalorutze etts sowhs tefeiicnd urdotcine yb ls"taeornygcu = CDG! +

  • 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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So ahtt si ot asy HBTO (NCGHPDDA eaxdois ni)cfedicey NAD edraMoyoeliesp cendefyici doppiressse ot ecpt-esvailtasiao gub etn.inifco

20FA02 0P91 onyl mzhapeedsi no GC"D tinpeta ear ta ineadsrce iskr rof otenincfi yb aaactles+ ipesesc ebclaap fo gnulzitnirea etrhi won 2HO,2 ilgneav ahsgcepoty utiwtho ROS orf fitgignh f"io.innetc utB eryapn,lapt igccaonrd to tsih otuqein,s itsh smetnttea hsldo utre ot yseMpooriaeedl ncfyedciei as lelw

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submitted by ilikedmyfirstusername(19)
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Wyh nto xioeusdepr a?msteduis sIt eht epts grthi in bnewtee PNDAH irch(con asmogrlunouta ssideae) and OMP

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ilikedmyfirstusername  I suseg atht doulc inyepoatllt tasnimef sa na evne erswo pneohptey ni ?DSIC +1
thekneesofbees  Its becsuea SOD forms HO22, tub O22H is ronkbe wdno by aectaals. cSein Sptah esuruA si aaslaect vs,iieotp it 'lodutnw be dlekli by it aaywn.y +7
minion7  nkfebseeohs@ete ,,,,, os fi tneiatp has ODS ECCN,YDFIEI he catn erateneg 2,2H0, so eh si cmhu ermo spilteeusbc to etg killde yb rgnia?s?om +1
topgunber  Teh srfti nghit ot eekp ttsi:ghar rcoeatnsi in sBWC are tmnae ot acsnerie .SOR.. ewlhi ercanosit in hetro elscl are ot get rdi fo SO.R.. iupedsoxre is hcum gorretns hatn 22ho ad(n is twha rw'ee ittsneg twhi eth aieyrtosrrp subtr test ofr D-ADCHPGN idxOeas d.)cincefyei dSie net:o SOD cedeficiyn duolw tseanmif sa luo rgg'hsie seiaeds )(LSA ecsbaeu udsrpoexei si os oixtc ti eadsagm teh clels hvmsflet.eeAsert DSO wrsok no ,O it kasem H.2O2 oMdrepieolsexya kaste 2HO2 nda sutnr it otni acblhe -lCO)(.H eTh tuneosqi si yilpgmni hatt THBO daandci and pthas ocntna eb lidkel by itsh pt.itnea eTyh rea both tsalaeac ovpist-ie tshi sanem thta if hte pinetta c'tan nutr 2H2O niot het rongstre l-OHC tneh teh saltcaae etvspoii amonsgsir nac tujs rutn o2h2 onti rawet adn exnog.y heop hatt seakm esse.n +3



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submitted by mdmofongo(0)
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dryapsleeeixooM is eht noly one ultaacyl vlonvdie in igmank eref lcaidasr. aeatslCa masek HO22 ntio tew,ar dSoruxeiep tseudimas mtsiaileen xoeygn ldaracsi, HLD kames tltaace (on leor ni clbreiata ,)igllink adn NO ystea,nhs meska NO.

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b1ackcoffee  I ogtuhht DOS lsoa seocm cs)ne(do taerf atpahyw (nikgam 22)ho ot eakm lC—OH +1
mdmofongo  owN atth I ktoo a okol ta eht tpawayh nigaa you aer h.trig Kinwgon sthi d’I asy htta eerf radcasil of O2 lslti veha a hcenac to eusca emos agmae,d as heerw onrdeygH edirpoxe tusj rvsese sa a niteerdameti orf rfee acarlid foa.irtnom Tush OSD eidycciefn alseve smeo cbaidarlciet ctiano but POM veasle eno?n +2
igurl11  So I smdise iths oto bc I aws loognki rof PNDHA xO (cb I iertdnpeert adeydel caiton agnista taShp A sa NO fcefet no casaelat +). hTen ebyilfr ededncsoir MPO tehn cpkdei SDO nda dmveo o.n uBt PMO eksam esnse cb ist deeedn to maek calheB (how esupinoltrh ikll) ;-gt& feD ;=&tg Cadniad fne.nitoic htaW hety enam yb ayeld ni iiyattvc fro Sthpa si likgtna uobta hte rxeat stpe ededen to use het acrtiesab' won O22H ot hetn meka .cla.Be.h But juts as het acebairt is nagkmi 2,H2O t'si loas geminvor ti ngius eat.acasl oS ti atek a letlti nrogel ot veha ugnhoe baelch ot eavh a eaicdltcibar .fetfce +



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submitted by stunna216(0)
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wyh is hret apelrrfixhey dan a iksnabib igsn ignemna thta teehr si an MUN eo?nlsi

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csalib2  aehsd ,pu i inhtk yruoe’ in hte rognw unisqote rhdate +1



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