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NBME 21 Answers

nbme21/Block 2/Question#41 (reveal difficulty score)
A 75-year-old woman has the sudden onset of ...
Posterior inferior cerebellar ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: neuro strokes

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 +4  upvote downvote
submitted by โˆ—hyoscyamine(59)
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iThs si lrealta /yrmrWulbdeC/lAaPanlgelIe drnosme.y eTh nmoaw hsa emgdaa in eht hmipcyttase icahn oyser(ns eossnrydm rea telrala ccoiandrg ot teh elur fo 4)s irtlugnes ni rHenor ,rnsodemy ltnsihampciao tctar tpime/pan( wichh era olas re,osyn)s adn NC IX nad CN X ninyocutdfs gtuliners in eth ith/agaariyhaydpsdrs sel(ph us leoclaiz to eht emlalu).d

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nala_ula  l,soA tjus to dad, FA sicfeepsi ttha lueNcus gbumisau tcffees dg(iysha,pa r,oahssesne aeecdsrde agg exelrf) rea ecifscpi ot CPAI inleoss. +2
cienfuegos  hsaTkn orf teh n.tpui I evha wayasl foudn shit cpito to be kytcir dna tusj cema cosasr this arectil ahtt depehl em otu a otn igargnrde teh reul of s4' hiocemsany nitemnso b.eavo LOp/btsBbtcdejuh//:.r +9
lovebug  AF 0912 g!p250 +
pfebo  'tno"D ICAP orseh harss)eeson( atht 'acnt tae p"is)(aagyhd +2

if you learn the rule of 4 its going to make this question really easy and almost a free mark. I learned it from Boards and beyond but I'm sure you can find it in other resources. so, horner is sympathetic damage--> s is on the side loss of pain and temp--> sensory--> s is on the side so we know its lateral now which cranial nerves are affected? dysphagia and speaking are both symptoms of damage to cranial n. X. rule of four says the first 4 cranial nerves are above pons, the second 4 are in pons and the last 4 are in medulla. so this is a lateral medullary syndrome.

+3/- meryen13(48)


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