NBME 21 NMDA receptors are blocked by Mg2+ at the resting membrane potential (NBME Answers)

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 🔍 / 📺 / 🌳 / 📖
tags: pharm neuro magnesium repeat

+59 upvote downvote
submitted by ∗niboonsh(409)

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cbz-a?Qpwmuo.H/twtyc/4o2t=uhovewu/tww.sh:vD fi ru yzla ekli e,m htsi is a dgoo serrefrhe eiodv

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d_holles Amingaz evoid dd.ue mSwehoo vneer realend sthi in neour lo.l +7

aag oAewems e!iodv sI siht hyw you anc eivg +2gM ot paamsielc pns,atite eabecsu fi ,so dinm nmddaog w.nbol +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)

+5 upvote downvote
submitted by ∗cantaloupe5(87)

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Tshi eon was tiykrc tub I hitkn uyo du’ocevl noed sith oen wtotihu ekdeonlgw fo MNDA rpe.rscteo temS ldto you htat eamtautlg ciesavtta htob MA-NDnon adn NADM cprrteseo tbu ti atctaediv nyol nnDoMN-A eopcsetrr in teh raley has.ep hatT esnma MNAD ereotrcsp taivacet artef NMo-DnAn pc.esetror tahT naems nheisotgm asw yagdeiln DNAM rercotep aicgvntait dna hte oyln wseran hatt adem esnes sa the gM nigiibithn DNMA ta risgtne p.iaeltnto Ocne teh llce is eaiddoeplzr by MNnD-Ano ,otsprerec ANMD tprscreeo nac be tadvt.ieca

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hungrybox I tridngf/'otdo wnko hsit catoidf nad errwadno it ot eth orcrtce eanrsw adn a norwg .arnsew Gsues cwhih oen I csheo? +15

yotsubato tT>ha snema sgihnteom swa ianlyged NMAD pceetorr tgticnvaia nda teh nloy erwsan atht emad neess sa het gM intiibhgin NADM at sntgrei p t.ilat W at onhe kesma het gntfias tngiga kienistc hcecoi oerctcrni nh?et +5

imgdoc DMAN creeosrtp ear bhot elatgvo atedg adn ladgni tgaed .anensclh aumltatGe and aratpstae are gousodeenn slgnaid ofr tsih cp.rroete dnngiiB fo noe of het ilgdasn is qeirudre to enop teh eanchln uhts it tehsixbi tsiciarsahrcect of a ldigna alnecn.h If Em rmamen(eb npaelto)it si orem tveegain ntah 07- V,m nbgindi fo the gidnla edso TON poen the nelanch g+M2( lkboc no the NMDA cee).rprot IF mE is lses gvneatei nhta 0-7 Vm inbngid fo hte ilagdn oespn teh neanhlc eevn( utghho no g+2M ckolb at tsih ,Em aelhcnn liwl not peno ithoutw ndliga ngi.nibd tO u of teh wensra cseicoh onyl AMND sotpcerer ldcbeok yb g2+M mkesa .sesen eHop tsih hepl.s +8

divya wsete aintxpelnao cgmoid +

lovebug ~al~~ylre s.ewte auktonhy ): +

+3 upvote downvote
submitted by ∗sweetmed(157)

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At rnitges bmanreme tlneaiotp teh DAMN teserropc are bdkleoc yb +.2Mg eTh votlega nepeedtdn 2+Mg lockb is edelivre ounp laepzartdiooni fo het atpo-sinyptcs arbmnmee . eTh ndgila ndtdeeenp tniaitvaco of teh DANM prcoerte ierrquse atcioo-activn yb owt dngal,si lamney gmuetaalt adn yeci.ngl

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+0 upvote downvote
submitted by ∗okokok1(38)

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nA rtminotpa aetdrel ianlilcc oplnipictaa si gebmein:merr ivaarOn atorteam nda ierth ssaisiaootnc wht:i NAMnAt-iD cptoerre e.tipniscelah hsTi prnesest sa: scayhitPicr u,isdtnecarb eroymm ,eficsidt seiesr,zu nds,keisysia uctonmaio al,byiinitts ueggaaln dof.sicunytn

A:F 0220; gp 282

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-1 upvote downvote
submitted by vlodkadrinker(7)

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'tdon gteorf btuao the gM kb!lco . . . . . .

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chandlerbas =-yw:tJH/h/./tgXftumhmuws.zwbcv?oocHPpetEwa +3

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