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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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u.Hw:opvt/oe/hmy.2ctv=tozuw?bDQwt/awcuw-hs4 if ru zayl leik me, hits si a odgo esfrhrree doiev

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d_holles  gzimAna voide ued.d ehSowmo ernve nleread this in nreou oll. +7
aag  Aseomwe vi!doe sI iths why yuo nca egvi 2M+g ot esiaalmpc ntiet,pas ueasbec fi s,o ndim dmognad wlno.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(14)

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 +5  upvote downvote
submitted by โˆ—cantaloupe5(87)
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Tihs noe aws ticrky tbu I thnik uyo odeclโ€™uv oedn hits noe wttoihu oenedlgwk fo DNAM proetrc.se Setm dtlo yuo atth ameatglut istacveat tohb DMnAnoN- dna MADN ecroesptr tub ti eavtdciat ynol NMnDo-nA ceerosrpt ni hte yealr esha.p hTat asnem DMAN porreestc ticaaevt etafr -MNDnoAn tpe.ocerrs That nsame ntmeihosg wsa dgaiyenl DAMN etoreprc vttncgaaii nda hte ylno raewsn thta dame nssee as het Mg hningiiitb MNDA at gnisetr e.ttapniol Ocne teh clle is rleeopzaddi by MNonn-DA pesrr,tceo DANM operertcs anc be atca.eidvt

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hungrybox  I f/dntgdo'toir nwko tish coaftdi dna wdarnero ti to eth tcoerrc reansw nda a ngrow ewa.rsn Gseus cihwh neo I s?heoc +15
yotsubato  >tTha mneas gohtniesm wsa ndeagyli MNAD orcreetp tavcagitin nad eht noyl arnwes that emad eenss sa eht Mg thiinignbi NAMD ta seitgrn t hae paltoi nWt. msake eth fsnitag ginagt cneiktis echoci etoicrcnr te?nh +5
imgdoc  DNMA rerecspot era bhot eogvalt gdate nda idagln daegt .slnnehac tGltmueaa dna rpstaetaa rea eusongoend dlsiang rof tsih oce.errpt igdinBn of oen of hte snlgdai si euirrqed to neop eth aclnneh tshu it stexbhii cthaccitraeisrs of a niglad en.lahcn fI Em mabnmeer( ptletnai)o is rmeo niavgtee hatn 7-0 V,m igbndni fo eht dnilag sode TNO pone het lchanne 2+M(g blcok no eht NMDA tpor).reec FI Em si less vtanieeg hnat 7-0 Vm iinbdng fo het dngali nsope het anhencl v(ene hhgtuo on 2Mg+ coklb ta sthi ,mE hcnlnea liwl ton opne tiohwut ildnag gdin.nib u tO of eth nesarw hcosice oyln ANDM rsreceotp oklcebd by M2g+ asmek ssene. o Hpe isht seplh. +8
divya  weste onletianaxp cdmgoi +
lovebug  l~~ryl~ea e.wets hnuaytok :) +


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 +3  upvote downvote
submitted by โˆ—sweetmed(157)
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tA girenst mnbearme lettniapo het DNMA tescorrpe ear cdeklob by gM.2+ Teh gavleot enetendpd gM+2 bokcl si drveelie pnou oepzriildoatna of eht asp-cntyipsot ernaemmb . Teh igadnl epndtdene nvcaiottai fo the DNMA reeptcor sreqeriu niao-tovaictc yb two isdn,gal maylen guelmtata and genl.icy

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 +0  upvote downvote
submitted by โˆ—okokok1(38)
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nA atomnritp rdlteea aicilnlc pinicpolata is eeernrmmg:bi avirnOa aametort nda reiht nacssioioats wtih: -tDinNMAA eoterrcp hei.ascielntp sihT pertsnes s:a chasiriycPt aibu,desncrt yrmmeo dsitfi,ce eus,reisz e,sasniyisdk ainctmuoo ilti,atnsbiy lugegaan dfincosnuy.t

:FA 0;202 pg 228

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 -1  upvote downvote
submitted by vlodkadrinker(7)
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ont'd tegorf oabtu the gM lbco!k . . . . . .

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chandlerbas  wczuhthv:/=owbwsto/atXpHe/yHJgwmE?-t.u.mcPf +3


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