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NBME 23 Answers

nbme23/Block 4/Question#34 (reveal difficulty score)
A 44-year-old man who is a farmer and has ...
Area labeled โ€˜Dโ€™ ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +10  upvote downvote
submitted by โˆ—mcl(670)
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To neapdx on iht,s otoaonehsrpphgas are omycnlmo edsu sa s,eiiccdesnti dan cfutonin yb niingdb aesseicectthenoyalrl and aiav"c"tigtdne ti, os ot ps.eak sThi uelrtss ni an cxsese fo ACh nihwti eht s,ypenas wchhi acseus dgelus dyesnomr (ginviomt, ewsantgi, edarrhai -- layiscabl slto fo )dusil.f heT ntatrteme rfo shit si itllcyayp oiptearn siraiain,cncm(nui)t and loaxiimpdre f(i gevni ayelr u,geonh nca rtv"taeice"a het a.Ah)sse-C ehT madgair engiv esod tno whos h-a,ACse oynl hte -h,CAR rhroeetef D is teh sbet erwsa.n

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lowyield  Aslo gcrcidnoa ot odlwur oyu evig epnatrio eboefr raliemxpoid ceeasbu xiporlimeda nac asecu an iainilt roxacntiebea (neve ghutho ouy tmhgi knith oyu udhsol igve iioexrpladm irfts ubeecas ti si mite )nsevsitie +5
handsome  AF 2002 gP 482 ;"e&epgtpnmoriidtiA"roalx +1
fhegedus  FA 2002 epag 142 sysa neitrapo si eving rfo mriiauscnc mpssoytm LUSM(BD)BEL wleih idpamleixor is rraiiymlp esdu ofr teh citioninc pssotmmy of eeyhrataosllteccenis .sgopinino heT q etsm ash iccimrasnu ospsmymt oti(nimvg, arraiehd, s)vtlinoia,a so teh setb piootn to veig r,eantipo which stac at iauncrimsc orercpset +1

To expand further, atropine is used to reverse MUSCARINIC symptoms (i.e. "DUMBBELSS": Diarrhea, Urination, Miosis, Bradycardia, Bronchospasm, Emesis, Lacrimation, Salivation, Sweating) and it can also cross the BBB to relieve the CNS symptoms (i.e. respiratory depression, lethargy, seizures, coma). However, pralidoxime is used to reverse NICOTINIC symptoms (i.e. the neuromuscular blockade). Pralidoxime CANNOT cross the BBB and therefore cannot relieve CNS symptoms. And always give atropine before pralidoxime because pralidoxime can cause transient acetylcholinesterase inhibition, which will worsen the symptoms.

+1/- fatboyslim(118)


 +3  upvote downvote
submitted by โˆ—mousie(272)
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stheahagrpOpnoo nniooigps = edtntAio = iAtonepr r(yiAwa M rreopect lkrbe)oc = itondlai fo clorbesnioh

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