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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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Frmo amtahPo C.h 2 gp. 41: MPO cdneceifyi lesrust ni viefected iosenconrv of H2O2 ot Hl.OC eeasrcndI rsik orf dCadian inxsnf hgt(auloh mots petstani imp.osaa)ytmct lbirNtuoe ilmotzruaet ttes si naomrl absucee eht orrietaprsy sbtur is yaluctal lstil ain.ctt Tshi tnptaie hsa dcidana tfoienicn nda ae,dledy utb lilst acn lilk psath ,a cihhw ygsleenmi oegs lgano ihtw eth fact ttha het otpaesryrir rbtsu si sllti ,ittanc but wthutio OPM ti mya eb irnehded a tli.let

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namesthegame22  eic!N s,eY eht BNT etst is nlroma twhi DO.PM fI ti y,ass A" luntierob mureiazotlt ttes ohwss icteidnfe iducretno yb "tcsnroualyge = GCD! +

  • 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 ttha si to yas HOTB (CHPNDAGD eoxaisd cfeyeiid)cn NDA iarMoeldoeseyp edecicynfi pdsesroeips ot -seavcaoaittilesp ubg .coitienfn

022AF0 9P10 ylno idmeaehzsp on "GDC eaniptt rea at driacense skir for cotninief yb sae+latac pecsesi cbalaep fo eziuignrlnta eithr wno HO2,2 gvilnea chygoteaps utowiht ROS rfo fihtgnig tcoii."nenf But eapl,nrptay dcgniroca ot tshi qineusto, stih stnatmeet solhd etru to Maelyrospiodee ideefncciy sa ewll

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submitted by ilikedmyfirstusername(19)
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hyW nto uexoredsip tasm?sudie Its teh ptes gtrhi ni bneetew DPANH (ichornc larotoungamus )esieasd nad POM

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ilikedmyfirstusername  I sgeus hatt dcolu alenptotlyi eisftman sa na neev osrew yoepthpen ni ?IDSC +1
thekneesofbees  tIs uebecsa ODS smofr H2,O2 ubt H22O si eokrbn dnwo by eaaac.stl cSine thSap euArus is acatsael psoietvi, ti lonud'tw be eikdll yb it ya.wyan +7
minion7  senkbeeete@ofsh ,,,,, os if teainpt has DSO IEYCEI,DFCN he ctan ertgneae H2,,20 os eh is cmuh reom ueibptselsc ot etg dkelil by ?ir?smnoga +1
topgunber  ehT strfi itnhg to epek t:srtigha raetisocn ni WBCs era etnam ot rseacien .ROS.. hewil ocisnaetr in threo eclls are to etg idr of .OS..R idoperesxu si hmuc strgnreo hnat h2o2 dna( is tawh weer' nitsget hitw teh ryiroapstre ustbr tets ofr DG-CAHNDP Oisdeax nc.feidcei)y dSei n:toe SDO eceydfiinc dulow ifneastm as luo hrigse'g asdsiee SAL)( cbeaesu xsoeerupid si so txoic ti adamgse eth sclle vte.erlftAemessh DSO rwsko on ,O ti amkes 2H2O. redaeMpleysooix taesk 2OH2 nda tunsr it niot cbelah CH).(l-O ehT qeotnius si nliygpim hatt HTOB ndiaadc dna tshap nocatn be ldelki yb ihst etina.pt eThy rae thob elaacast vo-stpeii htsi nmeas ttah if teh epantit t'can trun OH22 oint teh ogrtrnse -HOlC ehnt the lcaaaets toispevi snasrmoig nac just tnru oh22 ntio ewtar dan yoeng.x eoph thta makse es.esn +3


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submitted by mdmofongo(0)
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exoilyoMeredsap si the lony noe yulaclat vedvnlio ni iangmk refe asilcdra. aaastCle kmsea H2O2 ntio wre,at eexoiuSrpd iadssmuet ealitemins oxengy ,aiscldar LDH kasme aetlcta on( role ni bairctela llignik), nad ON h,yanesst kamse ON.

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b1ackcoffee  I hthutog DSO aols smeco )oendcs( etrfa hwaaypt ak(nmig oh2)2 ot maek —OHCl +1
mdmofongo  oNw htat I ktoo a oolk at het yahwtap ainag you are t.hgir owiKgnn tsih Id’ yas htta eefr crasidla of O2 itlls eahv a ahcecn ot seauc eosm md,gaae sa weehr ngrydoeH edeiopxr usjt vsesre sa a ineirtamdeet orf eref acralid notariomf. Tshu SDO yiecdfneic vlasee smoe ibceiacdratl acotin utb MOP lsevea en?no +2
igurl11  oS I smieds iths oto cb I saw iokonlg rof ANPDH xO cb( I rpireeentdt eydleda tocain isgnata htaSp A sa ON fetcef no aalatecs +). Tenh fiblyre iconrdesde PMO hten kcpdei DOS adn mdveo .no tuB OMP seakm ssene cb tis eednde ot kaem eBlhca oh(w sntuphiorle )lkil ;-tg& feD g=&;t dnaCiad ifet.cnoni atWh ethy aenm by edlya in yvtatici fro tapSh is iltangk oubta the erxta tspe edneed to seu eth aec'rabits nwo O22H to nthe kema l.cah.eB. uBt tujs as the atecrbai si nkigma O2H2, tsi' aslo gvnreiom it usngi taslecaa. So it etka a litelt eogrln ot aevh onheug lebhac ot ahev a ecclraitbiad te.efcf +


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submitted by stunna216(0)
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yhw is ther elyahrfpixer nad a aibnkbis gnis nenagim ttha ereht is an UMN neli?so

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csalib2  aheds ,pu i tnikh re’uoy in the nwogr sntieouq dtahre +1


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