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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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fhegedus  AF 0202 apge 412 ssya ptoaenir is ivgen rof muciisnrac posstmmy DM()SLLEBBU wiehl amdiporlxei si irilmypra edus orf eht cntcoiiin mtpsoyms of ahesrlnteiclyateeocs o.ipsgionn Teh q stem ash irauicmnsc tmssmyop ,(tivnogmi idaeh,rra ias,tniloa)v so teh ebst nipoot ot egvi ain,etpor chhwi cats ta snicaimruc rerosetcp +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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oppraOshntoghea gipnoions = odeniAtt = tipoerAn ywirAa( M rotrcpee )lebkocr = iadltoni fo sinrobhcoel

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