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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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oT xdnpae no hi,st oaotrnpssagophhe aer mnyocoml ueds as dtni,csieesic nda oinctufn by bniidgn eeatceathoyslnlecrsi and cig"iattdneva" i,t so to a.kpes Tshi utesrls in na scseex fo ACh htwiin teh sap,ynes hchwi ueacss euldsg rosnemyd gvt(ini,mo eng,wista dhrareai -- laylibasc ostl of fs)d.ilu eTh tarmtetne rof sith is yilltpyca ainrtpoe t,i(riinmcnicn)uaas dan oxdieriapml (if nigve yarel geunho, can avet"ria"cet hte s-sAa.C)eh The agirdma gvein soed ton sowh hAsCe,a- ynol eth Rh,AC- fetorrehe D si eth stbe ne.awrs

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lowyield  sloA icnracdgo ot rulowd uyo gvei tiarpneo ferobe rdimelpxioa sbecaue dxiloiamerp nca aseuc an nalitii inxoaeerabtc eev(n gthouh ouy mthig inkht uoy lsouhd vegi dmiipxeralo srtif bcausee ti is eitm iiesevt)ns +5
handsome  FA 0220 gP 248 oioe;pdAtpx""&arrntlmeiig +1
fhegedus  AF 2200 peag 124 assy ptironae is ngevi fro sicamiucnr smopmsyt E()LUMBSBDL elhwi omiexadrilp is mriyrilap dsue rof teh nticinoci tpmmyoss of haseseeilcrelnttyaco ispiogo.nn eTh q tmse sah iicrascunm mtmsyspo n(i,iotgmv eradh,ria s)aai,itonlv so the sbet tipnoo to igev reopn,ait chwhi stac ta cmiricsnua rpeocsert +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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submitted by โˆ—mousie(272)
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hatrpoosOhgpnea npsnoigoi = toAitdne = oertnpAi Ary(iwa M eropertc kerb)lco = anitiold fo ecbironshlo

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