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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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wp-zte/.wQ=cDhbo.uh4y?wc2o/tvotwuHuvm/:wtas fi ru zayl liek ,em sith si a doog rrehsfree video

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d_holles  azniAgm eoivd eud.d hmwoSoe never drelena tshi ni nreuo .llo +7
aag  sweAome iovd!e Is ihst wyh uyo cna vgie g2+M to sialeacpm i,tasnpte ecsbaeu if ,os imnd dndamgo lb.nwo +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 โˆ—cantaloupe5(87)
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shiT neo saw rciytk tbu I nhtki you cvledouโ€™ oend htsi noe uhwotti endgwekol of MAND seorrcp.et tSme dtlo you hatt autetamlg taaeicvts othb n-nAoMND dna ADNM pcetsoerr utb it vtactdeia nlyo NMon-nAD rrpoesect ni the yealr apesh. Ttha samen MDAN strperoce aavcetit aeftr ADMoN-nn roptrs.ece atTh nmaes hnsiemgot swa dilyagen DNAM eroectpr titagvican nad eht nylo wnrsea taht eadm eesns as teh Mg giihtbiinn DNAM ta isegrnt oap.leittn necO eht ecll is zeiopldadre yb ANDMnon- tsop,cerer MDNA roreecpts nca eb aavde.citt

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hungrybox  I nortdidtf/og' kwon thsi fatcoid dan wnedorra it to hte crctroe sranwe adn a ownrg a.reswn uGses hhcwi one I hoce?s +15
yotsubato  a>htT smnea eimtshogn swa eidanylg MAND otecrepr vancttaigi dan hte ylno aswrne atth dmae sesne sa hte Mg itiinbghni DMAN ta nsiterg aepWi nht a l.tto eskam teh ntsgaif tginga cskietin cciheo nrocciert n?het +5
imgdoc  NAMD etrpesocr are hbto aovgtel gedat nda dailng gteda s.hlaennc tmGlaetua and sapaartet aer eesdonoung idlnags orf sthi rp.ecrteo ngdiiBn of oen of the adgslin si qeerudri ot neop eth eannlhc uhts ti sithbeix itacrehcaissctr of a ialngd nn.ahcel fI mE bmreamen( ntle)oapti is ermo vgnaetie ahnt 70- mV, idginnb fo teh gdainl sedo NTO epno eth anchenl +M2g( kclbo on the NDAM )pcoe.trer FI Em is sles veeagint anth 70- Vm bidgnni fo the nldiag esonp eth lenhcan n(eve tguhho no g2+M obckl ta hsit E,m celhann lilw ont pneo tthoiwu ildagn i.dinbng Ou t fo het easrnw ieoccsh lony NAMD rretposce edlkcbo yb 2g+M asemk seen.s eoH p iths p.lesh +8
divya  stwee expalatnoin gicdmo +
lovebug  ~raye~l~l wtes.e kaoyhutn ): +



 +3  upvote downvote
submitted by โˆ—sweetmed(157)
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tA ngtirse rnememba oetlnipta het DNMA tprerscoe ear ocebkld yb +g.2M Teh eavtlgo eddnepnte g2M+ lockb is veldiere oupn przoliieonatad of het tnpispyt-soac nbmemare . ehT dainlg tdepnneed ctviinatoa fo teh DAMN ertpcroe seeqruir a-vaionccitto yb owt an,ldigs lemany lguatmeat and yglcin.e

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 +0  upvote downvote
submitted by โˆ—okokok1(38)
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nA mintoatrp ltreeda ccinilla ppnitailaoc si genr:imember riaaOnv ettoaram adn rtihe cossonaaitsi h:wit MAn-NAtiD etrrceop ecstahl.ienpi iThs npetsesr as: tsicihPycra etruan,cbsid oymemr ,ifisectd uzeries,s ksse,ynisiad maouoitcn tlb,isiiatyn ggauanel sntdic.oynfu

F:A 0;022 pg 282

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 -1  upvote downvote
submitted by vlodkadrinker(7)
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otd'n otrefg oaubt eth Mg cb!klo . . . . . .

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chandlerbas  h-aypXwmP=w:tzs/tmHwttEf.ecHJoo?.hb//gwucuv +3



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