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

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submitted by ∗niboonsh(409)

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opQosyD2whwb/?uuzt4H/mwavv/eto:ww.hct-cu.t= fi ur ylaz klie em, hsti is a dogo rerfrehes vdoei

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d_holles mignzAa oevdi u.ded ewomSho rnvee redalen htsi in nouer o.ll +7

aag eoemAws oie!dv Is tshi hyw you nca igve g2M+ to picalesam ne,astipt ebucase fi os, ndim ngadmdo on.bwl +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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submitted by ∗cantaloupe5(87)

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ihsT eon wsa crytki utb I khnti uoy lucoved’ onde sthi eno twtoiuh welnodgke fo NADM eseop.crtr mSte tlod yuo hatt tgaemutal taivaetcs htbo nnAMN-Do nda MNDA seerrtpco utb it vtaacdeit olyn AnDNMno- pseotcrre ni eht rlyea sa.peh haTt msaen NDAM rtrepsceo iatvaetc atref ANoMD-nn cs.rretpoe athT amens etgisonhm wsa iydnlaeg MAND rteecrpo aatncgiitv nad eth ynlo rseawn hatt aemd senes sa hte gM bngitiiinh ADMN at srtengi p.tnoeital nceO hte clle si dzdliperaeo by DnMNn-oA cor,retpse DNAM esorpcert anc eb vci.ttaead

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hungrybox I ro'dofgdintt/ know hits tadofic nda daorwrne ti to eht erctorc rsnewa nad a rgown srenw.a eGuss ihwch oen I h?osec +15

yotsubato Tat>h enmsa oetnighms was gendalyi MNAD orteeprc viatacgitn nda hte ylno werans ttha adme esnes sa teh gM ntngiibhii MDNA ta tiregsn opt a eat. iWnlht emksa eht sfngtai tiagng eiticksn ccoeih ircroentc h?ent +5

imgdoc MAND soeptrerc rae htbo tlaeovg atdge nda dglani tgdae nhla.cnes lutmaeGat nda raaaptset era nsneegooud sdginla rof ihts rteer.poc diignnB fo eno of het inglsad si edrurqei ot pnoe teh enlcanh shut it biixseht rtshcieticsacra of a adnilg hnclne.a If Em e(mmrebna leaittn)po is mreo vitneaeg htna 0-7 mV, ginbdin fo het lgnaid esdo NTO epon het ceanhln +M2g( kcolb on hte AMND p)r.rcotee IF mE is elss gtveneai nhat -70 Vm gibdnin fo the danigl opnse eth ancnhel eev(n hguhot on +2gM bckol ta iths mE, cnnlaeh illw tno npeo otwiuth gandil nndbig.i utO of eth anersw osciceh nylo MNAD rcrepoets eodblkc yb 2+gM eakms .essne eH op siht .lspeh +8

divya twese tixlnoapnea moigdc +

lovebug lryle~~~a tsew.e uyhntkao ): +

+3 upvote downvote
submitted by ∗sweetmed(157)

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At eitgnrs mbnraeme eaniltpto eth NAMD eeprtocsr aer loekbdc by 2.Mg+ eTh vltaeog eeendntdp +2Mg coklb is ldeireev nuop arpnoetaizdilo of the ips-anpysoctt emnrmeab . heT laidng nneedtpde oicianttav of eht ADMN orertepc eruersqi ioctv-ontaaic yb tow gsial,nd malyne aelumgatt adn .engyilc

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+0 upvote downvote
submitted by ∗okokok1(38)

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An niapmttro etlarde liilcacn atpplaiionc si :eirmgberemn rvanaOi torataem dna tihre otasaicsoisn :tihw MAit-DNnA rtecrepo lia.epchesnit iThs pstresne as: cshyiartciP ntdbusr,ciea memryo eidt,sfci zir,seseu nass,kdseiiy tuiaonomc isiyibtln,ta euganlga cnftsoyund.i

FA: 20;20 gp 228

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-1 upvote downvote
submitted by vlodkadrinker(7)

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'dtno getrfo uotba teh Mg cob!kl . . . . . .

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chandlerbas =.c.b:XfcEtohoJtww/wmHt?s-tyePpav/whgmuu/Hz +3

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