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Retired 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(671)
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To axnped on itsh, rshtgaoaeonsppho rae omncolmy sude as dsstciiecie,n nad cinnufto yb indnibg seeyeharolnsacitlect nda gactii"tn"evad ti, os to kp.aes hsTi tsselru in an xscees of ChA hitnwi hte eyansps, hichw aecssu egusld syroedmn vimn,io(tg ie,gnsawt reaarhid -- ysbcalali tosl fo ui)l.dfs hTe etatermnt rof hsti is llyaicpty reptonia m,ii)aasi(rcincutnn nad moladieprix (fi vnegi ryael ueoh,gn nca evaarc"it"et het Cshs-aeA). hTe amiardg ngvie deso not owhs haAeCs-, ylon the CAR,h- tfroeerhe D si the esbt .snaerw

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lowyield  lsAo caiodgncr ot lurwdo ouy evgi tanorepi befeor emxiaiolprd abcseeu oiplxrdmiae nca secua an liitani txbacieoenra enev( utohgh yuo htigm tkhin yuo soludh give lxiimoeaprd strfi aeubcse ti is teim t)snivseei +5
handsome  AF 2020 Pg 482 ai;&idxntt"Aler"mpporioge +1
fhegedus  FA 0220 pega 142 ssya tpneoiar is gnvei rfo cnmircaisu pmtyosms BMUBL(ESDL) eiwlh axdiilpoerm si plriiraym deus ofr the cniociitn stopmyms fo eechatlryecasisetnlo op.snoigin hTe q emst ash cuaimscrin ymsmpost ntg(moi,iv hai,darer vi,snotaa)li so teh esbt opnoit ot egiv oat,eripn ciwhh asct ta criasnuimc otpesrerc +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)

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 +3  upvote downvote
submitted by โˆ—mousie(272)
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ptasoOehrhnogpa nponogiis = Anttoeid = poAnteri ryAi(wa M rcorepte l)okcerb = aioditnl fo olishcrbnoe

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