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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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siTh si atllrea reaCrlWneylagb/ueAlmI/ldP eyrnmos.d ehT nmwao hsa mdagae in hte emhcatytpsi hianc (ysrosne ysdmnsero are alaertl indoccrga to teh eulr fo s4) gierusnlt ni rronHe osyed,rnm psnoaiathimcl artct n(p/meitap whchi rae laso ,osr)eysn nda NC XI nad CN X yindconufst rungilset ni the yaydsdspiatr/hgaihra (plesh su lcalezio to het dua)l.mle

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nala_ula  ,sAol usjt ot dda, FA fseciespi taht ulscuNe ubumagsi teffsce aigydp(sa,h sh,naosseer dsaeerecd gga )lerexf aer fecipcsi to IPAC ss.ilone +2
cienfuegos  hkTnsa for the upint. I aveh lwaasy undof stih pcoti ot be iyktcr adn utjs emca asorcs hsit celarit ttah lepedh me uto a ton egrigadrn het erul of '4s eniamhcoys omeitnsn avobe. heLp/.jcusbdB:btO/t/r +9
lovebug  AF 1290 !g02p5 +
pfebo  t'D"on APCI esorh )asehoess(nr that nact' ate yspgh)a(ad"i +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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