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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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roFm thPaaom .hC 2 pg. 1:4 POM ecdycnefii susrlte in tecidfeev oorenincvs fo O22H to H.ClO Ircneedsa rksi rof andCaid snxfin g(hulatoh tosm sinatept cyt.m)iaaotmsp tbieoNlru trazueloimt tste is aornml cebueas het roatpiresyr rtubs si taulylca sltli aitt.nc hTis nettpia hsa dcdiana fncnietoi and ,yealded btu stlli nac lkli tpsha ,a hchwi lemeynigs oseg glaon htwi teh ftac thta the rteoyarsrip subtr is ltils ni,tact btu wotutih OMP it yma eb eiddhern a tll.ite

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namesthegame22  N!ice Ye,s eht TNB stet si lormna whit OPDM. fI it ,asys A" blruneoti mrttilozuea ttse sswoh nteiidecf oeurtdnic yb cotn"yruelgas = CG!D +

  • 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 ahtt is to asy THOB (PNHGDADC xsieaod iyfcneed)ic NAD lipryMaeoedeos iecyncifed eespoipdsrs to tveetlcpaa-iossia ugb .cinoietfn

F2200A P019 oyln amsidpzeeh no GD"C npateti era ta rcidnseae risk for nfocniite yb a+alsatce ecsspie lepbcaa of nzeiuritglna ireht wno H,O22 glneaiv tegspcahoy itutwho SOR fro ihtgfign tncei"fno.i utB tarn,lyepap dracoicgn to hist quion,ste thsi tmentaset shdol erut to adeMseyeoolrpi cyfeidicen as lwel

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submitted by ilikedmyfirstusername(19)
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hyW tno dsperieoxu ieut?asmds stI teh pset thgri in nweebte DPHAN ircn(hco umrnaaoultosg iea)ssed dna MOP

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ilikedmyfirstusername  I gsesu ttah cuold naeyttpllio metanifs sa an veen reows hepteyopn in SC?ID +1
thekneesofbees  tIs bceeuas SOD omfrs 2,O2H but H22O is ekobrn down by sea.laact inceS hpaSt eAusru si laeaatcs its,evoip it todnwlu' be lkdile yb ti wy.yaan +7
minion7  bskehnefsteoe@e ,,,,, so fi tniaetp ahs SDO ECFEIY,NICD he tcna gteaener ,,20H2 os he is hmcu meor iebestulpcs to tge kelidl by omgar?s?in +1
topgunber  ehT rifst tgnih ot pkee tiatgsrh: sacnitore in sCWB rae tmena to eceanisr ..OR.S leiwh ntsreoaci ni hroet lelsc era ot gte rdi fo O..R.S spxeieodru si umch gntoesrr thna 2o2h (dan si ahwt ew're gtensti hwit eht irreprayots bsutr etst orf -ADHCPNGD adxOeis cedn.cfyi)ei Side :tnoe DOS ciecidfyen dwluo mefnstai sa ulo iggrse'h eesdais )(ALS useaecb usdirpeexo si os xtcio ti asdeagm eth llesc msresf.Aevtthlee ODS skrwo no O, ti eakms 2HO2. doreeisloMexayp ktesa 2OH2 nda utrns it inot lchbea C(lO.H)- eTh etosuqin si iygmilnp tath OTHB addinca and shpat ncaotn eb ldkile by thsi ntepit.a yhTe ear btoh taalceas ptesi-oiv hist mnesa tath if teh eittpna 'atcn ntur H22O tnoi hte strognre OHlC- nthe the tcalsaea ovtspiie simsnaogr nca juts rtun 2o2h itno awert adn x.genyo ohpe ttah ekmas .esens +3



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submitted by mdmofongo(0)
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yeisMolaedoxrep si eht yoln eno yulcaatl vondviel ni ginmak efer lir.scada eaaaltsC kamse O2H2 tino retw,a ueioedSrxp usemiasdt eemniatsil eyogxn dslar,cia DHL makes tlaatce no( role ni crltiaabe ,gillki)n adn NO h,naysets eaksm ON.

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b1ackcoffee  I otghtuh ODS salo mceos o(ensc)d trefa ptyhaaw mgk(nia )2ho2 ot kaem CHOl— +1
mdmofongo  Now htat I ookt a kloo at eht wayptha anaig uoy era gi.hrt gowKnin ihts dI’ say ttha free ladriasc of O2 lstil eavh a achcen ot secua meso dam,ega as wreeh ygordeHn oxpeider stju vseres sa a teimdeirtane rfo free raldiac or.nfamiot hsuT DSO eniiedcyfc elvsae soem rcebiatildca nactoi ubt POM aleesv en?no +2
igurl11  oS I sesmdi isth too bc I aws kongoli orf NHPAD xO (cb I rtnpeideert ledyead tnacoi tinasag paSth A as NO fcftee no caalteas +.) nTeh ifylber ienoddsrec MOP then edkcip ODS dna mvode .no tBu OMP asekm sense bc sit deende to emak Behcal (hwo ulrosipetnh lkil) >-; fDe =&;gt adnCadi e.tfniiocn atWh yeth neam by delay ni acittyiv rof taphS si itakgln tobua the trexa epst ddeeen ot sue eht aa'bitcres won H22O ot hent ekma aehB..cl. tBu jsut as het iabeatrc si kngami 2OH,2 si't aslo emrigvon it insug cseat.laa oS ti tkea a lteitl glroen to avhe hunego ehcbla ot aveh a taacecdiilrb .tceeff +



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submitted by stunna216(0)
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yhw si etrh frepailexhry and a abikibns isgn imagnen thta ehetr si na UNM s?oinel

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csalib2  shdea ,up i hitnk uyoe’r ni het grnow outesqni athdre +1



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