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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 for oesm aesrn,o mniartenrtussreot si ntshgmoei v'eI SAAYLW sdugeltgr ihtw... boarpylb useebac I staw'n uthgat it wlel so eervn elylar lreenda ti, jtus enldaer nhgueo fro heravetw e.xam I sujt fduon sthi obo tougrhh BCNI adn sit !TCATNISFA Ist' rfmo 1200 os mhtig be lod, ubt ti saw .agetr ouY nac recsha rhoghut teh kobo nad nifd eth sahp.cert I pryett uhmc ujst went gourhth lla fo eht rmotinsreturante hpca.ret kg/opboBs...lKb1ohv//mnitn/9t7n:ch.w/i0wNs9w

yM mani ekaayautaws :m-ttlGea = amjro yetacrotxi mtron.teairsteunr Tow sepyt of :orcs)e rtpe1 praoie,ttocmb osmt fo wihhc ear anrtyecppsi iG hhwci ealds ot seeradecd DNMA reoretpc aititcyv dna kris of iytoxecixt,itioc or sntoaictppsy Gq epertcors thta elda to niaeecrs a+,N K,+ and deecdasre telaguamt ssucea ooaelpraziitnd nad esaierdnc g+M+ nscmledptaei dna AMDN eerorctp titvciya dan srki fo xtietoi,xticcyo and )2 otciporoni cnhasnel gdiniucln NADM nda aanAePi/MkAt ,nleanshc icwhh lla alwol scinpfeoicn coitna fix,unl but noyl ADMN lwsloa a++C fxuiln dn(a lony in a egvlato eendtdnpe ermnan frtae tfiiucesfn ldoeiztpionaar ash dapledisc hte otribhini Mg++ oin ni eth chl)nane.

AAGB nda iclengy = ihniotrybi .rttnrimtsansereou )1 AABAG- and CAGA-B = iictonoopr cnhensla thta aedl to exlfu fo lC-, adn ptesdei tish ucnigas ardleit,pzoaion eht oneunr lsitl ssaty lbeow tngiers toaipnt.el AA-AGB gidnbin stei fro rriuatb,satbe ,drsoeits AGA,B adn onptiirocx = disein orpe of cnan.lhe A-AABG ginnbid tsei of pinznozeeaedbsi = oiedsut fo oerp of nahle.nc )2 neclyiG laehcnn is a eyrv ilisarm -lC xeufl al.ennch 3) -BABAG is a ptarbotcimoe hcannle taht iatcesvat iG naidegl ot eeaserdcd MPAc hchwi aeasttcvi effuxl K+ alhnncse nda inbiihts +Ca+ nxilfu aslennch ilgdane ot proaipnhtorezlyia.

geicBoin semnia = ieocahlscetnma eaipdomn anocondtiri(o of dboy no,mveemt rraed,w ntoiivma,to rfnrenc,eim)teo hieopnernnepir pl(ees, nssueekwlf,a ttennia,ot feigned hve,raibo phneirpniee l(owste tancieornnotc ni )S,CN ulsp oinotsnre ,elpes( euswa,nlksef opsdrnsee,i tneia,xy anuea)s nad taihmseni (saoalu,r aenintot,t lyg,real stiuse adagem, dan yma inneluecf ldobo nabir o)l.fw uv,loOibsy lla of hist si in dadionit to dcgrieeran risoaotumnnsernsi dan t,fihlg gt,hfir dan tghfi nsseerp.o

PAT dan eohtr piesurn = trayixceot tosnmrassi,ni slocaee-rde hiwt eothr llosmcl-leueam u.rtrmtaensneoitrs enonAidse it'ns lillsaycacs isrdoeecnd a mtresnurenrtotia ceausbe it itns' dlestsd/areeeor in +Ca+ tndeeepdn ,nmnera tbu edvirde orfm PTA reebof aghvni an iyettoxarc .tatploien

oAyclieltenhc = omarj eratunrnmoesttir veolindv in siamronsnounrseit aiv nruciasm dan ciciiotnn repc.ortes

Pedpeit msrtretteiosarnun = myomcnlo seaderle as rodpeeitpp rrlgae reorsrpcsu htta aer laecvde by cfeiipcs eenszym taht rwee ni het aems tneatimentsrrruo csveile pnou eerse.la viFe sypet = /gantbriu pdeitse,p odiipo p,tesepid aytirutpi ,tdseipp ihpclohaamty nlaegiesr ,soohenmr dna ohtse ton scsalf.eiid mxalseEp = cruesorrp ttha svgei srie ot casnetsub P caspp(pim,ouh ntxeoc,ore dan ITG nda ealresde rmof sallm rdiateem SPN C birfse atth mstnitra pnai dna ertumepetar f,intnrmaioo wloruefp vh,seytnpoie inhitideb yb iodiop eepid),spt nriokuinne A, rnepetpuedoi ,K adn operipdeutne agam,m nda ooidip eedpspit diunniglc pltan ksloadali kile( ne),piormh eitcstynh idpooi avsired,teiv dan rensohn,ipd siopd,hnrny adn lipksnnhaee. In eealrgn ipodio dspetpei ear eeanrsdstsp .(e.i naaslaeig ic)msaehnm, ondeivlv ni epmcolx risabhvoe s(uxlae toatntarc,i sveesis/vsegumibagris e,b)roishav adn mclpitidae gutoh(h tno ftiedniiev) in hcsryicapit sdds.rrioe

e,ravlOl rtssranurmoteenti = pety tsype: ull-loemcelsma rtrsaitntesm adn iedupspeontr,e weehr esclloae-llusmm snartrtietms rea terafs nad atimede airpd acpintys nstmnirissao i..e( nregonda NSS flhf/ritgg/htfghiti ikuqc ),nrpessoe wehre as eriuetposepdn ona(gl twih cbioolgi naesmi dan meso mlsal cmueolle s)maittrrtesn ear eslrwo nad itemade lr,udaag edolrnopg usomsr.nnstaiornie

eSmo sp:riecut p/t:r_utue.ron.nepsseat/kvrscome/ita.utwmh_mddo/fohdewruvnpn/pbeir_kiathltweei, 4er/raa:na0B-ea-es0og66.up/8bgtpGp16rbl-rhc-ethscf21tae/u.aefoP93whti1fopfiR0r-/ceopb3A22tu0s/t7gl3iil5-4-T/ewgmerBe/6dwdsrgn1c8rAdeia3br1ssid0n-4a, adn g//U/agth-is-mh/ll6-tl3e1.d6&ufade.bnragd#p7c2/e.--1-eisefwdxdb4ga;bawitw5:rx=nwra5aete0en0-=o3l_h9/igsap1eff-18b2bt

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sweetmed  sihT si anagi.mz thnak oyu +
sweetmed  iTsh si zgaam.ni thnka you +
paulkarr  ..oh.Wa +
brotherimodu  torhS eiovd moeesno tepsod ofmr NBE1M2- wraens:s p/ecwh/Htwotw.st/mu?owDzQywbuh-:atc2v.uo=4v +6
dorischang  dD'tni hinisf dgienra ,stih btu it oskol oewesma +3
kcyanide101  fI uoy aawnn tweri a xtet kboo jsut yas so.l...lo ): +

  • 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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Tohug unesqoit.

lelcRa ttah mMtnniaee 'irees(lahmz gud)r is a DMAN Reeportc Agntsnoiat tath hples envprte txceittcxiooy yb Blcogikn Ca2+ tnyre. tTash' ohw I rreembme stih.

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veryhungrycaterpillar  tspt:ss/juwwon.9o0g9ec.13//tnec/0wrott/r/hr.ihnoGt era tltile rd,ea nda isth is eth aeprp htye tpytre cuhm edsab hsit itqueons o.n +
veryhungrycaterpillar  kdenLi the wngro repp.a tenaM to klni hits one: m/iwoph.gtlc/c5s.w:Mnns/.PlCwa0pvt6/citi2rm.7nhe86//b +

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 AAAG-B perosrect elt -Cl in
  • B) nyiecGl si ueds ni hte nsialp rdco as an bornithyii rnasnmtret;tireuo salo tels C-l in
  • C nda E) ctitaroopbMe tgauamlet oeseprtrc rae e-ntGrpio oclpdue
  • erfT,erheo het olyn tnhgi tath dlouc etl a+2C in si AMND secrreotp
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thotcandy  rdoincacg to tsih, HT35 si an oin lchenna m(nyali Na nad ,K btu smoe aC) so htat asw kiadn yeff omi +


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 +3  upvote downvote
submitted by lfsuarez(160)
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AMDN ereosptrc in htis saec rea bgeni euds orf ognl mrte tteipiontnao ihitnw the arbin dna tou of lal of eerht cioeshc onyl isth otceerpr sues aC+

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 +1  upvote downvote
submitted by chasingdreams101(4)
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I kpcdei ADMN beausce is’t oalyr,utimts btu is erhte yan rpdeee seoarn for ihs?t

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tea-cats-biscuits  Teh Q is caltulay inaksg whhci fo the ecoreprts sue +aC ,oisn nad of hte occeish vieng olyn NMDA rospetecr do o.s +32


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 +1  upvote downvote
submitted by adong(144)
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Yuo acn wnrase by prsceso of aineiltmi.no mi"petotveiC inotirsacten" mkaes you nhitk ulsmitratoy T.N rsCos uto AABG nad lgney.ic In eth rxotce os emlg.atuta tetopbroaMic dwulo anem 'hrsete nodesc senesesrmg evnidlov dan the tperecro dolwu ont tmnratis alcim.cu ceeHn M.NDA

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 +1  upvote downvote
submitted by an1(114)
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edus ni long tmer itennpoaiott gl(neu,aag r)m,myeo aMy salo aply a oler in nege cirnsntptoari ni uonersn

)1 DAMN si a ulGaaemtt potceerr )yp utesb2 MPAA is a yestbup fo DMAN htat is tllayiini atviceatd by mtglataue a )3eelres ADMN strerpoce ear udnfo eran APMA esprrecot tbu aer otn tadeivtca yb low lsleve of gltmaaetu elsaree deu to a Mg oni kg’oni‘cbl the nl4) cehan quFteenr onAict etatlponi gt&—; toinauimstl fo APMA g;—&t osrdeplaeiz sopt ciayntsp rnnueo ;&g—t gotalve edtnpnede Mg ckblo of NMAD eecpotrr moeevrd 5) xulifn of Ca oghhrtu ANDM g&t—; easucs nvee remo PMAA oretscrep ot eb eteirdsn tnio hte emmernba :N(TEO APAM is evnresisop to aC dan l)eua6t tg)am acuBese ehtre rea remo pocrestre to pnersdo to ti, eth lcle si eomr enrieospsv ot leagautmt

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 +0  upvote downvote
submitted by zpatel(36)
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lla eht hoesrt a epinenvtooitmc insec htey vahe iiyc(icpcpefscifseti d,gins)la DMAN si eth noly hinvtleee(nenscoec eiimtceovpt ,ecp)troer sah a glidan teis and ac , an adn nchm...ege mpoievtitec

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hello  hte eqtiousn yass piiecottvem tosnrcnti,aei i nikht tish is fitdneref rfmo ictptioevme ign.nbid +


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