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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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mFor hoPamat h.C 2 gp. 4:1 PMO ieifdcecny suestrl in eevfdetci vooericnsn fo H2O2 to C.OlH aIercdnes skir for dCndaia sixfnn gathhuol( stom esntiatp aamttiyc.o)msp rotleNubi temrizalotu sett si ramnlo beceusa hte tyipaserorr trubs is aytllauc tlsil ttiac.n shTi eniptat has dacaidn fceitnino adn ddlyeea, but lslit cna ilkl tpahs a, whchi ilymsngee esog ganlo tihw eth tfca that teh oatypeisrrr tubsr si itlls cittna, tbu uwohtti PMO it yma eb rdhidnee a .etltli

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namesthegame22  Nec!i e,Ys eht BTN ttse si amlron thiw P.DOM fI it ,yssa "A uernbiotl tiltmzaeuor tste soshw cefiidtne nroctiedu yb "uetnyosralcg = DG!C +

  • 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 atht is ot yas HOBT PHDADC(NG axieods eiidnyfcc)e AND oealreiMseypod ccfnieeidy rspsioeesdp ot eptoaltasias-ivec ubg noniictfe.

A202F0 P091 ylon zmihspdeea no GDC" tptanie are at easdcreni ikrs orf onitnicef yb asae+atcl seecpsi epcbaal of tzgrnniluiea herti own ,22HO gvnliae gaosetcpyh hiutwto ROS ofr ihgtifng "inenco.fit But typplaar,en ndccragoi ot hist ousteq,ni htsi ttaeemnst ldosh rteu ot eilpyoeMrodase yedneficci as wlel

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submitted by ilikedmyfirstusername(19)
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yWh otn xeipesduro s?sdeumtai tIs eth tspe grhit in etenebw PANHD icn(corh usanaoutrmgol di)eesas nad OPM

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ilikedmyfirstusername  I ssueg htta ludoc pttneloaiyl infsmate as na nvee ewosr phoeenpyt in ?CSID +1
thekneesofbees  tIs uacseeb OSD somrf ,2OH2 ubt HO22 is onebkr wond yb laseac.at ineSc tpaSh ruAeus is ltsecaaa sp,eiitov it wtdu'oln be leklid yb ti aany.wy +7
minion7  b@esfheneokeest ,,,,, os fi paitnet sha ODS I,CECIFENYD eh ncat etagrnee H220,, os he si much rome luctsbeiesp ot teg kdelil yb gso?nm?ria +1
topgunber  ehT tsifr inhtg to peek rgiha:tts ntrieocsa in BWsC rea tmean to ieacnsre S.R..O ihwle rtaosienc in oethr lcsel ear to etg dir of S..RO. edixsruepo si hucm ogtnrsre nhta o2h2 and( is hatw r'wee tngsite whit eth riotrrseypa burst ttse rof NADP-HCGD esxOaid cynifie).ecd eidS oent: DSO deicnycfie lwduo sinftaem as olu sgh'rieg dsiaese SAL() eseucab erdoxpuesi si os txioc ti gadseam eth secll efthesrv.eslAemt DSO rkwos no ,O it ekams .H2O2 ieaexypsMleorod seatk O22H nda rtnsu ti otni helbac )(lOHC.- Teh esnutioq si npimygli atht HBOT inacadd adn hatsp caonnt be kleldi by ihts ipa.ntte yehT rae thob aastceal evti-opis hist samne ttha fi eht ttnapie 'ncta nurt 2H2O onit het srnrgtoe -lOHC neth teh lceatasa oespvtii gorsinasm anc sujt nurt ho22 itno ewrat nda .ygeoxn hope htat kmesa een.ss +3


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submitted by mdmofongo(0)
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draopsxeeyMeloi si the yonl eon aayutlcl nidelovv in imngka rfee diars.acl atasaelC semak 2O2H niot wrae,t xSpruioede mesatisud einamtelsi xgoeny darcli,sa DLH asekm cleatta (on orel in abiltearc ,lii)gnkl dan ON nhyta,sse kemas O.N

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b1ackcoffee  I ogththu OSD lsoa mocse (snodc)e rftea ataywph (kgaimn 2)2oh to aemk l—OHC +1
mdmofongo  owN htat I koto a kool at het ywpthaa niaga uyo rae r.tihg nKoinwg hist d’I yas taht erfe irsdacla fo O2 ltils ehav a ncheac ot acseu meso g,emada as hewer nHrdoyge deieroxp just evrses sa a eeriniematdt orf efre alcardi .irofmtnoa suhT DSO yifdcceein aeselv omse ieacriclbatd aoictn btu OMP evalse neo?n +2
igurl11  So I msiesd this oot bc I swa knooilg for NHAPD Ox cb( I dererpetnit yleaded action tiangsa Sahpt A sa NO ffceet on aasleatc .)+ nheT lfyebir ieddecorns PMO ehnt cedpik DSO adn vdmeo o.n Btu MPO mksea esnse cb sit deende to amek ehacBl h(ow prhesuitlon lilk) -;t&g Def gt;=& aadidnC fciitonn.e Waht hyte neam by dlaey in tciayvti rfo taShp is lkniagt uaobt eth artxe sept dneeed ot use hte scter'abai nwo OH22 ot tneh make Be.hlc.a. utB utjs as eht rbtaicae is gmnika H,22O sit' saol gonrimev it ignus ts.aecala So ti atke a itetll rnelog ot hvae onheug hbelca to heva a dcliiceartab tceef.f +


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submitted by stunna216(0)
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wyh is reth eeyarrlpfhix dna a bbisanki gnis mingnea taht eterh is na UNM s?nileo

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csalib2  shead p,u i tihkn yuro’e ni the owrng eotqusni adehrt +1


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