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Retired NBME 21 Answers

nbme21/Block 4/Question#45 (reveal difficulty score)
During an experiment, an investigator ...
NMDA receptors are blocked by Mg2+ at the resting membrane potential ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: pharm neuro magnesium repeat

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 +59  upvote downvote
submitted by โˆ—niboonsh(409)
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ooHc/w4uz:2buy/=.w?w.tQewcDaphvshm-wttvuot/ if ur yzal lkei e,m shti is a odog eerrfshre oidve

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d_holles  igAnazm vdeoi du.ed oowmhSe venre lnarede stih in runoe ol.l +7
aag  owAemes eviod! sI itsh wyh uoy anc iveg Mg+2 ot acasmlipe ntepi,tas scebuea fi ,os dmin gadondm nlwo.b +4

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.

+1/- namesthegame22(13)

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 +5  upvote downvote
submitted by โˆ—cantaloupe5(87)
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iTsh eon swa ytkcir utb I inkth you uceโ€™oldv oden sith noe oittwhu wogkleden fo MDAN .prertsoec teSm odtl ouy htat utatgmael icvasttae both M-NoAnnD nda ADNM rtespcero btu ti atidectav ynol MADN-nno crrptoees ni eht laeyr esa.ph ahTt names MNAD oeerrstcp aacittve artef -oDNMnAn scrrp.eoet Taht emsan geiotnhms was idgyelan DNAM ptoercer tcigianatv adn teh ynlo newars hatt emda ensse sa the gM niiighibtn ANDM at etignsr ttieoaln.p eOnc teh lecl is doiaerlpzde by nMDNon-A pec,errsto MDNA oesertpcr acn eb ai.tecdtav

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hungrybox  I torng/idfdo't ownk ihst idcaotf and areodwnr ti to the otcrcre nswaer dna a wgorn nrse.aw ssuGe ihhcw eon I soceh? +15
yotsubato  ahTt> asmen omteinhsg was eadyngli NDAM crtepero aicntvagit dan eht olyn wasern that maed essen as eth Mg nibginithi MNDA at isengtr enWtoaipt h lt a. sekma teh tnfagis niagtg stnkieci iohecc erinotcrc hetn? +5
imgdoc  DNAM rreospcet rae othb gtavleo deagt adn igdlna tdgae ns.nlceah Guttaeaml and eptsataar rae enougsedon danligs for stih orpc.eter dgniniB of neo of teh gdslina is rirudqee to onep eth hnlncae utsh it isxethbi ticsraicctshrae fo a dianlg ae.lnchn If mE meamneb(r niaoel)ptt is more neivaetg htan -07 V,m idibngn of het ilnadg sode TNO open teh neahlnc (+2gM ckobl no teh DAMN toeprc)e.r IF Em is esls atvigene hant 70- Vm dnbiign fo the ldngai neosp eht alennhc e(nev toghuh no +M2g bklco at hist mE, hnanlec lwil otn epno twotihu ignlda gnnib.id O ut of hte naerws hcsieco oyln ADMN topreserc eckdobl by 2+Mg smeka nes.es eH po tihs eslhp. +8
divya  seetw panioxleant cdmigo +
lovebug  ~ye~a~rll wet.es thauykon ): +


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 +3  upvote downvote
submitted by โˆ—sweetmed(157)
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At iesngtr eermnbma tnptolaei hte NADM prerteocs rea cldoebk by M.2+g Teh ealgvto eenpdndet +Mg2 lkbco is dlvreeei nuop aoloipirzedtan fo teh ayttpp-inocss bmenamer . Teh lgniad dneenpdte noictatiav fo eth NDAM erptcoer ueiersqr aotia-vtccnoi by otw sg,nilda namyle agtatulem dan ienyc.gl

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 +0  upvote downvote
submitted by โˆ—okokok1(38)
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nA tionrtpam raldtee nlcalici apcatlniipo si gbrreem:eimn ivanrOa attoeram nad erthi initcaossosa :twhi -MAtDNinA trcproee ni.slptciehae ihsT etessprn :as icPyschaitr uc,aersdnbit mymero icfstdie, zsies,rue niyksadsesi, cnooutami ibytiintsla, anuelagg iofdu.ysnctn

F:A ;0220 pg 228

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 -1  upvote downvote
submitted by vlodkadrinker(7)
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'tond rtfgoe abuot eht Mg lok!bc . . . . . .

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chandlerbas  :gymweH=mwbcfp?wv.htowutt/-/oJzhuEtPsXc/a.H +3


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