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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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omrF athPoma C.h 2 gp. 1:4 MPO fnyeecdici estrsul in fdeivetce vnroisocen fo HO22 ot ClHO. deeIrnacs sikr orf ainddaC sxinnf tuhhgao(l stmo tintasep attmmy.oia)spc botrluNie mreiolttuza tste si amnlor acsbuee eth rostypraeri rsubt is atlyclua isllt a.ntitc siTh pttinea has idncaad nintoefci dan eya,dedl ubt sllit nac llik ashpt a, chwih gesmnliye gose onalg wiht eth ftca hatt hte prieatorrys ubstr is tlils aintt,c tbu itowthu OMP ti mya eb dherined a tlt.lie

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namesthegame22  Ni!ec es,Y hte BNT test si rmonal ithw PMO.D If ti as,sy "A iutlboenr ttziluamreo tset howss einedfcit tcredunoi by asoey"tlrngcu = DGC! +

  • 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 atht is ot ays HOTB NDCH(GAPD ixosead eicnfci)dye NDA aedeolrMyopesi yeecnidcfi reodisssepp to av-ieastpalisotce bgu .nitinfcoe

FA2020 9P10 lnyo eeapisdhzm no D"CG tipaten rae ta eiersndac iskr for nteoinicf by leaaa+cst sepeisc blapeac fo nuatlriigzen ihter won 22,OH vaginel gtohecyspa uthwtoi OSR for fihtggin ninic"f.ote Btu lre,nayptpa dicrngaco to shti snei,utqo itsh tesetmnta ldsho erut to elrodaeoeipsMy nyiecedifc sa llew

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submitted by ilikedmyfirstusername(19)
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hyW not iodpeuersx mu?tsidsae sIt teh ptse hritg ni eenwetb DHAPN co(nrcih amgsouonruatl dae)sesi adn OPM

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ilikedmyfirstusername  I sgseu atht udolc etolipayntl tsinfaem sa na vnee ewrso oypnehpet in DSI?C +1
thekneesofbees  tsI aeusbce DOS mfors H22O, utb 22HO si keonbr ondw yb aceaats.l enciS taShp Arusue is tlcaaesa ie,ipsvto it du'nwlot eb lkeidl by it yy.nwaa +7
minion7  s@beofseteehenk ,,,,, so if ttinape has SDO YDFNICIC,EE he cant tnargeee ,202,H os he si cumh reom tselibcspue to etg ilkeld yb ?im?gnaosr +1
topgunber  ehT tfisr inhgt ot epek rta:gthis risatneco ni sCWB era eamnt ot isenrcea ..SR.O wheil aotensirc in theor lcles are to egt ird fo R..OS. eorpiuxdse si hmcu sngtorer thna 2o2h ad(n is tawh 'weer ngetsti htwi hte rrpeyraisto btusr tset rfo G-DAHPCDN Osdexai cienyi)ecdf. Sdei eto:n ODS icdfeiecny wludo nfseatim sa olu eg'ghsir essadie (SA)L cuabsee ropdxsueei is so coxit ti aedgmas hte cslle sleesvrAheetftm. DSO okrws no O, ti emksa 2.OH2 aleoyiModserpxe tasek O22H dan ntrsu ti iotn cbhael CO-H)l.( The qntuoies si ypinlgim htat BTOH naiddca dan stahp nnatco eb llkdie by isht np.teati yhTe ear otbh acasleat etop-ivis tshi emnas ttah fi teh ptatnei 'tnac ntru H22O ntio teh egorsntr lCO-H htne het easactla otiviesp irngsosma acn tsju tunr h2o2 iont warte and xgn.oye peho ttah askem essne. +3


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submitted by mdmofongo(0)
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readolpeosixeyM si teh onyl oen auatlcly nlevviod in gmkani eerf ardlac.si taslCeaa meaks 22OH oitn wtr,ae xpidurSeoe idsmtusea esntmeiila ngyoex ,dsaarlic LHD makse lceatat n(o elro ni eacabrlit inll,)ikg dna ON thsnyae,s mkeas ON.

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b1ackcoffee  I uhogtth OSD asol ecmos cds(on)e efrta wtpayha mnkg(ia )2ho2 to eamk —COlH +1
mdmofongo  owN thta I koot a olko at het ptahwya ngaai oyu era .itgrh ngniowK sthi Id’ say htta erfe slcaarid fo O2 tlils vhae a acenhc ot suace oems ,medaag sa weher Heydorng eorepixd jtsu vesrse sa a rmenttiadeei ofr erfe aidclra rntoaim.fo huTs SDO nicdeifeyc ealvse oems diaieratbclc iatnoc btu OMP valese onne? +2
igurl11  So I edssmi ihts oto cb I was lignoko orf NAHPD Ox (cb I erdpirttnee daeydel cioant gnatsia atShp A as ON effcet no tcsaaael +). neTh beilyfr crodendsei OPM tenh ipeckd ODS nad omdve no. But OPM sekma ssene bc sti deedne ot ekma alecBh oh(w unrstpeiolh k)lli g;-t& eDf &=tg; didanCa cnotinfi.e hWta heyt name yb edlay in tviyaitc rof Sthpa si laitngk abtou teh rxaet estp eededn ot use het c'atsreiba own 2HO2 to nteh make .c.h.Bale Btu stuj sa hte iabtcrae si anmkig 2OH,2 'its aslo onviregm it ungis aac.aslte So it etak a ttelli onerlg ot heva gnoehu ehblca ot aveh a iaraltdiccbe f.tceef +


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submitted by stunna216(0)
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hyw si hetr fexlpriehary and a sbkibain gisn mgaienn atth eetrh si na NMU lieons?

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csalib2  daseh pu, i knith ureyo’ ni het rwgno toeqinus dtaehr +1


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