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Retired NBME 23 Answers

nbme23/Block 2/Question#32 (reveal difficulty score)
A 2-year-old girl is brought to the physician ...
N-methyl-d-aspartate (NMDA) 🔍 / 📺 / 🌳 / 📖
tags: pharm neuro repeat

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 +19  upvote downvote
submitted by nwinkelmann(366)
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,So ofr mseo ,aenors oetrrtrtssumnnaei is gehtoinsm vIe' WLAAYS ggluertds ...tihw opalybbr ceseaub I wsant' uatght ti well os vrene yeallr adelern ti, ustj enaerdl huenog for vahetewr amxe. I sjtu ndouf siht boo hougrth INBC and sti INACFT!AST I'st rmfo 0120 os gitmh be ol,d but ti was grtea. You acn esarch rutgohh eth ookb nda ifdn teh acrpths.e I rteytp mhuc utjs ewtn ghtuhor lla fo the trmetiunretonras hac.rpet h70ws/v//b.co:w.oioKnnk9ih.pmnl/NtB/b.19gwts

My imna aeswmka-:eytaGautlt a = oarjm xaoceriytt nseimtuenrt.roatr owT spyet of ):rprec1ts oe tcrtaimobpo,e mtos of cwihh era typiprscean Gi ihhcw seadl ot drsedeeac NDAM reteprco taityvci dna iskr of ytctoitei,xxcoii or ssticpnypato Gq ecropetrs ttah adle ot eseracin N,a+ K,+ nda aerdedsec egmtlauat cssuea dooparleniazit and adnseicre M++g emstiepdlacn dna ADMN ocprtree iticyatv dna kirs of oto,ixtcyeitcix dna )2 troniooipc ehcsnnla gnunidlic AMDN adn kna/eaMPAtiA ces,hnaln cwhih lal aowll fneisniopcc aincto fni,uxl tub nloy DAMN awolsl C+a+ uiflxn ad(n lyon in a latvoeg dndeetnpe mnrnea aretf futciinsef zaeidrpnoloati sha adelpcdsi the tbihornii Mg++ oin ni het alcenh)n.

AABG and enigycl = ibtrioynhi a.tinrrmetruntoess 1 ) B-AAGA dan GC-BAA = ctnriopooi anlnechs that eadl to fxlue of ,C-l dan ieptesd shti sacnuig triola,odpznaie the nroeun itlls tysas wbloe ietsnrg ptane.loit AAA-BG idignnb site ofr rirbsatb,taue orsdts,ei ,BGAA and cnriopixto = isendi erpo fo h.lnaecn AAAG-B bngidni stei fo zbeaionendiepzs = oeustdi of oper of .hlnncea 2 ) Gncylie cneanlh is a revy lsimiar l-C lefux hl.nnace 3 ) GA-BAB is a ceapotmrboit cnahnle htta vtsaiteac Gi deingal ot rscdaeede PAMc chwhi vetctaais uflfxe +K canhslen adn isiitbnh a+C+ uflxni nensalch legdian to torppne.holiiyarza

gionicBe ieamsn = iolesctamacenh einapmdo oo(icdronanti fo oydb ,ntmemeov rd,rwea oimovit,tan enme)o,ncrtrefi pnoeirrheinpne sle,ep( luafkssnwe,e toaetit,nn dfingee ,ahoeivbr penhriipeen wsl(eot occnnaerntiot ni NS),C splu nreotsoni pelse,( eufsw,kesaln ssprnoe,ide yaxinet, aeu)asn dna nmhitiesa ar,luo(sa iotatnne,t yagel,lr seuits amaedg, dna mya lecfinune oobdl irnab )of.lw sbiyv,luoO lla of hits si in iantdodi ot necaiderrg osnsriiasnomnrtue dan fg,ihtl f,thgir dna tgifh .sorenesp

TAP dan tehro respiun = roteytcaxi ssmnoatri,nis el-oceedsra hwit torhe lmlluaemo-lces otueissn.rtrrtanme siAennoed 'itns sasallcylci scrdeoendi a uaensntrmtrioter aebecsu ti itsn' stsodaee/rlreed in ++aC epnetndde mrn,ena but dievder omrf APT reofbe navhgi na coiatxryet .apteiotnl

ynciloecheAlt = rjaom orrstmientetnaur evlidnov in tnonmenosrassuiri vai niuracms nad ioincntci scpet.rore

pdieePt etniursntamstrreo = mnylocom lsdreaee as dtieoprepp agrelr eprurorscs hatt are adlecve by psecfici zemsnye ahtt wree ni eht emsa rrmtasietueotnrn svleice poun laesre.e vFie sypet = g/bnritau iteed,psp ioiopd ,itpsedep uriytaitp i,pdteps lhapyhioamct raginlese son,ehorm nad otehs nto lsfiedscia. salempEx = ruperrcos htta seivg irse to sstuabcen P p(s,hmacpupio ctrexonoe, and TGI dan edseeral mrof llasm imterdae PNS C sebirf thta ttsranim pina nad eetmrautper m,ninoairtfo lorwefpu psenieyvht,o itdenibhi yb piodio esdpe)it,p unkrninioe ,A peeureontpdi K, nad eenpdertiopu aammg, adn oioidp dspeeitp nduncigil plnat solidkaal e(ikl nm,hp)eoir ehyicttsn oidoip as,dirvteeiv nad neor,dphsni no,niphrysd dna hnilkesep.an In rnegale oiidpo tsedepip era edsrasstepn ..ie( aalgsaine ascnmie)h,m ovildevn in exocmpl veihrabos s(xalue ta,ocnatirt /vemesssgseirgvbsiuai ,rbiaesovh) adn itdmaiecpl gu(hhot not di)ftvieien ni hsctiarycpi derorsisd.

allv,rOe areetsrstmtnuroin = tpye yp:est euc-lmaoelmlsl mitrtsnretsa and npi,spdoeeetur rhewe ecllsos-mualmel tnritmasstre aer rftase nda teiemda paird caitsnyp annssiorismt .(ei. ndngreoa SNS tfghtifht/frgigil/h cqkui )o,sreenps eewhr sa rneuepdtpioes longa( ithw oligoicb isanme dan oems sallm lmolueec rsa)tsitemnrt era sewolr and eatiemd ur,aagld orlpngode ietoriosnmss.nuarn

oSme rc:suipet ldnemoe/rtroaewiebhimtpsaktine_su/e/dktu..hm./nct/iwton:p_pfurpvhra_rdsuwevote, PglBdtbo.3/A.e1Ror-wrl6s-a/2d6eau1b:7ae3ga00pArpafa-e41uh6uhabe/geefsmi3c61hb-4r-c5pref1r/3BTc9r-ta-ispwne8o8r-tr4pls/gis/et2dsioncGfd0iitng0t0/e2w, nda aftlr6n79pbfh-/ada=1//s-iebi.=x&-hbg10gaaexwwd5f8w12_peUed3swee#:6-lm--gfc2rstldrang.etg-iib;te-od4/03a/u/h51al.etnb

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sweetmed  This is .amiangz tahnk oyu +
sweetmed  sihT si anmza.ig hankt ouy +
paulkarr  .o.haW. +
brotherimodu  rSoth edivo eeomons deospt ormf 1EM2NB- :wesasnr wDb/ayvcuwt/wwm4sw=epc/2h?uot:oo.zt.utvh-HQ +6
dorischang  tni'Dd snifih rgdeina hits, ubt ti lkoos owesema +3
kcyanide101  fI ouy naawn retiw a extt okob tsuj yas .ooll..s. :) +

  • effect of glutamate antagonist on pt with acute cerebral infarction = targets NMDA receptor

  • decreases calcium entry into neurons = decreased excitotoxicity = promotes recovery from acute cerebral infarction.


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 +19  upvote downvote
submitted by sympathetikey(1600)
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Tghou tieuqson.

ealcRl tath emneaniMt e'srml(ihaez u)rgd si a NAMD cepRtoer tAsinnaogt thta lsehp tpevnre itexcxtcioyto by kocnilgB 2C+a teynr. taT'hs hwo I rmmrbeee s.ith

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veryhungrycaterpillar  wte//ts9s/c0w39n:ost..r/nupet0ncrwgh/io1./ohtjorreG ta iltlet rde,a adn tihs is teh paerp hyte typrte umch dsaeb hits qtosuein on. +
veryhungrycaterpillar  Lneidk hte gonrw rppae. tnMae ot knil hsti ne:o mC8.tctegtwPslnii/l/m0/.vp/6c2/.rn5.his/o7c6:pMawhbwn +

a picture for better understanding https://2e.mindsmachine.com/asf04.02.html

^ link is dead :( (they published a 3/e) but here is the re-route to the new site if anyone wants to dig in https://learninglink.oup.com/access/watson3e-student-resources

+/- drdoom(1206)

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 +4  upvote downvote
submitted by spow(50)
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  • )A BAA-AG ecporerst etl Cl- ni
  • B) neclyGi si edsu in eth npaisl cdro as na ihtyinroib ;eruntminretotras loas tels C-l ni
  • C dan )E cpeoiortMtba lmagattue prtsceero aer toeGnp-ri edlpcou
  • ,ohereeTfr eht loyn thgin htta luocd tel a2+C in is NDAM rcepoetsr
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thotcandy  aoncigrcd to stih, 3T5H si na oin clnahne lmi(any Na nda ,K ubt semo )aC so that swa danki ffye omi +


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 +3  upvote downvote
submitted by lfsuarez(160)
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NMDA rrocseetp in ihts esac rae eginb sdue orf nglo trem nnaioteotpit withni hte bnira and uot of lal of ereht ihocsce ylno stih prteceor sseu a+C

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 +1  upvote downvote
submitted by chasingdreams101(4)
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I pkeicd MNAD bsecaue t’si uamltsoiy,rt tbu si rteeh nay epeedr oeanrs rfo itsh?

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tea-cats-biscuits  hTe Q is latuacly naskgi wchih fo teh reeosctpr seu Ca+ n,sio adn fo het oiechcs eigvn lyon MADN orescpert do .so +32


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submitted by adong(144)
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uYo acn neasrw by rsscepo of oiiita.lnenm imtt"vCpeieo n"tnicsarotie ksmea yuo ktihn lutirmasoyt TN. sCors tou GAAB and .ygnicle In eth etcorx so u.tgamltae potricMeboat wluod eamn hree'ts csnedo nrssmesege ondvilev nda eht ertoperc oldwu ton tnraismt m.uclaci cHene MNAD.

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 +1  upvote downvote
submitted by an1(114)
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sdue in gonl rtme tnpiaitootne ,ggulea(na mmoyre,) ayM olsa paly a oerl in ngee rocnanitiprts ni nounser

)1 MDAN is a eataltmGu rrecptoe ty s2bepu) AAMP si a uypebst fo MDAN hatt is llyaniiti eciavtadt yb utltaeagm se3)al ree DMNA epetrcors aer fuond aner AAMP pesortcer btu rea ont atdevicat yb wlo selelv of mettagaul esaeerl deu ot a Mg oni ig‘’lkbonc teh ann hl)4ce rutFneeq ciontA polntaeit &t;—g niiulmostat fo APAM g&;—t srdlpaeioze spot naiptcsy onrnue t&;g— olaevtg eentnedpd Mg koblc fo DNMA reoetrpc odvrmee 5) nlfuxi fo Ca hohutrg MDNA tg;&— scseua enev emro PMAA ptrreeocs to be dsrieten itno eth eamermnb ON(TE: AMPA si senpseovir to aC nad tu))aet 6gmla aBcseue teerh are reom rpetrcoes ot snrpoed to ti, teh lelc si mreo ieonrpevss ot ltagmeuta

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 +0  upvote downvote
submitted by zpatel(36)
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lla eth thsreo a noevoitctpenim iscen yeth haev iiycepifist(pcsicfce na,lgs)di DMAN si eht lnoy e(lsncicneeoeehvtn vtictmiopee )crper,toe hsa a lagdni iset nda ca , an adn h.emn.ceg. vptteieicmo

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hello  eth itnosqeu ayss tctepiemiov ,ietiocstannr i ktnih tsih si nrteeffid mfro etvcmepitio ginnb.di +


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