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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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rFmo hmotaPa .hC 2 p.g 14: OPM yiedeicnfc eusstrl in etifcevde inoenvcrso of OH22 to HCOl. rnIeacdse rski rof iadanCd insxnf hlguhot(a smot snaiettp osatimtm.aypc) trbuNileo oitauzlrmte sett si almnro eceasbu hte optaiesrrry urstb si ylalutac isllt tcnita. siTh etpnita sah daadcin fnietcino dan ,deaylde tbu tlisl acn illk stpha a, which engieylms geos ngalo ithw eth ftac hatt the aryseotrrpi rbsut is ltsil ,acntit tub uihwtto OMP ti yam eb heindder a elli.tt

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namesthegame22  ceiN! s,Ye the BNT stte si lnamro iwht PDO.M If ti ayss, "A ibuntoelr rouztatlmei stte sswoh cnifedtei tuodrnice yb ostlaeyn"cugr = CGD! +

  • 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 HTBO PGD(CNDHA exsoida fncecdeyii) AND lMyepsrodieoae cdifeeicyn iedpspsoesr ot aas-eoiipvtetclas ugb neinoifc.t

2F00A2 P019 lnyo pezhmedais on D"GC apitten aer at neaesicdr ksri fro nfiocneti by alasea+tc pseecis lbpaace fo ntaeurlginzi rihet won 2,2OH laevgni thapyoscge toiwhut SOR orf gghiftni "oif.ntcein utB rpela,ptnya acngoircd ot shti sqotineu, hsti naetmsett hsldo eutr ot oisyrlaeeMdope nicdyefcie as lwle

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submitted by ilikedmyfirstusername(19)
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hWy nto rsdxuoeeip tisuamsde? Ist het tpse igrth in neweetb DPANH ohc(cinr atrumaoslugno iesad)es nda POM

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ilikedmyfirstusername  I gsuse ahtt luocd aoltiyntepl eatsfnmi sa an neev wreso eppoeythn in CDIS? +1
thekneesofbees  tIs ebcaseu SDO omfrs ,H22O ubt H22O si robnke odnw yb aalct.aes nciSe hpSta eAsuru si laaactes ovpt,isei ti tdulonw' eb dkllei by it a.ynway +7
minion7  fkseosnteee@ehb ,,,,, os if eptinta ash DOS YF,NECCDIIE he tacn eerengta ,2,H02 os he si uhmc mero uesitcelspb to tge lkdlei by amrso?ign? +1
topgunber  heT irfts gtihn to eepk grastht:i tcniareso in BCsW rea anmet to iserenca S..RO. lhiew asnoeirct in terho eslcl rae to gte idr of OS..R. edruxpseoi is cuhm onsrtger anht o22h nd(a si whta wer'e ntitegs ihwt eht trseryorpia stbru ttes rof D-AHGNCDP eiasOxd e.cdie)fniyc Side :onte SDO dcfeicnyei ldwou etmisanf sa ulo 'hggsrei eiaedss LS()A asecbeu iurspdxeoe is os txoci it mesgaad het scell lrAhtsmfeeseetv. SOD owsrk no O, ti asekm O22H. eoilMrxepydaose saetk H22O dna rtsun it into cbehla -.)C(lOH Teh oqsenuti si imlgynpi thta BTHO ncidada adn thpas nantco be lekldi yb htsi .ttepian yehT rea bhto cseltaaa so-ivtiep itsh mensa htta if teh tipanet an'tc untr H22O iton hte gtrnroes l-CHO ehtn teh aeasctal oevtpiis misnroags cna just trun oh22 otni ertwa and oegxny. poeh ttha ameks ense.s +3


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submitted by mdmofongo(0)
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eMpodxoiylraese is het only neo tylacaul evinvldo in niagkm eefr irsal.cad selaCaat smeka 2O2H onti ,werat eoSirexpud tesmadisu almtniseie ogyxne al,iscrad HLD mkeas etatalc (on rleo ni alciabret ,ki)llnig adn NO ,nsysthae smkae NO.

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b1ackcoffee  I ttohguh ODS slao eomcs )ond(ces retfa whtapay n(imagk 2)2ho to akme CH—Ol +1
mdmofongo  wNo taht I ktoo a lkoo ta eth apyawth ngaai ouy are .hirtg oiKwnng shti I’d asy ttha eref acirdsla of O2 ltsil evah a cnecha to uecas osme mgae,da sa rwhee yodgrHne edropeix juts sreves as a entitmderaei rof refe dclaira otamor.inf hTsu OSD edfciyicen leaves omes ceaabrticidl acotni tbu POM leesav one?n +2
igurl11  oS I sesmid isth oto bc I saw lginkoo rfo NAPDH Ox c(b I treenriedtp yeddlae cnitoa asagnit hSapt A sa ON eefcft no lecaatsa .)+ nTeh irlyfbe oideesdncr MPO ehtn ipkecd SDO adn oedmv n.o tuB MPO smeak eenss bc its deeedn to amek ealcBh ho(w eiltnoushpr llki) t&;-g feD g=&;t ndiadaC inecf.oint taWh ethy anem yb ldeya in tvcityai fro aSpth si inlgkat atobu het etrax spte dneede to esu teh scbaieta'r now H22O ot neth ekam B.e.c.hal But sjut as eth eiaarbct si iakngm H22,O 'tsi saol nmgoervi it ungis ca.leasat So it keat a tleitl lgrneo to aveh oeguhn chaleb ot hvea a trcdaiibelac ffct.ee +


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submitted by stunna216(0)
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yhw is ther efryiprhalxe nad a abksiinb sing inagmne taht rehte si an NUM ns?loie

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csalib2  seahd u,p i tihnk o’urye ni the owrgn squieton ehtard +1


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