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NBME 24 Answers

nbme24/Block 3/Question#28 (41.6 difficulty score)
A 22-year-old man is brought to the emergency ...
Area labeled ā€˜Eā€™ (Cerebellum, posterior lobe)šŸ”

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 +12  upvote downvote
submitted by seagull(1109),
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-A yamrrip rotom txorec = gronw eisd fo ybdo (ictfdie fo MNU on letf ides y)bdo

B - slTahuma = nosreys iitoanfromn nictodu - omrto tfsiedic lklyieun to egntriiao omrf ehre

C - Posn - sCN 56,7,8,, iellky lurtse in keclod" ni nesdym"ro ro cotepmel lsso fo torom citnunfo on hgtir sdie + alicfa etruaes.f

.D irmVse - acentrl odby itdncioanoor. mDaage stuersl in taaaix

otN otcmplee tub aebym

yotsubato  C - Pons - CNs 8,7,6,5, likely result in "locked in syndrome" or complete loss of motor function on LEFT side + RIGHT sided facial features. Decussation occurs in medulla +1  
kard  Sorry if im mistaken, Isnt A) Somatosensory? +2  
krewfoo99  Yes i think A should be somatosensory. Primary motor cortex would be present in the precentral gyrus +  
drpatinoire  A is primary motor. A and the gyrus at right side of A compose the paracentral lobule. +  

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Datresmiy ( o,als idydasdiaioensk and tietnnnio )mteorr si aerallt .eeblrleucm E(.)

aitxAa si a rmlpboe thwi teh relacnt eeclrubeml ()D ro at tlesa tshta the best I dluco ocem pu .twih

ronald-dumsfeld  I actually think D is pointing at the Flocculonodular lobe. See here: So a lesion at D would present with Nystagmus +3  
urachus  flocculonodular is medial (central). but yes it'll have nystagmus and truncal ataxia +  

 +1  upvote downvote
submitted by nwinkelmann(257),
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yesatDrmi = tdoonsoaiinicdr fo dn,neapl vuornylta nemsmoevt ym( onw sowdr for eht rfteefdni ignisfdn nda dseu pylsfcliacie ot elhp me eermmerb o)ncloait rondtlocle yb hte tororpeis eblo fo eht pehriehsem iwchh seod delnanp novuarlty vmen.omte o,lAs eht erhhsiempe si the phpreeriy of teh umlrbeceel, dan ti easld twih ,adnenpl rnylauvot nsmeevtmo of teh ppeyrihre ei..( bl) I gto isht rfmo stih miage hwti meromy itsp: o:ewinhdt.ei/mmsbut1.wwms4me2mpemho/0lce/3lecon0ltmso/c.w/-rce.

Otreh ulehflp :kilsn

  1. rPttey ldtaieed oaa:ytnm hmigtb_/.todi_0d.amh3ceg/f2.n-reMomid_st0kwmwl/pwrp:/eao/

  2. ttceanIeirv tise lla atubo het cmbeleerlu (/0.reae..e/ubcem./ttsitmcrtns3t/nhpdcschmu5no:/ltheup/ha), btu teh otsm lhpfleu reuptci for me swa shti neo (uteee/tskeg3mm.t_hca//.esm/engdjsont/._Wrrgnp/Nupaecusptr-is/obia:cga/Eid5cm_h3myh.i)

 +1  upvote downvote
submitted by apurva(46),

Lol i thought trauma would hit more superficial structure than deep.. haha

cassdawg  Literally how I answered this question cause I didn't know what dysmetria was. Convinced myself of some version of coup/contrecoup that would injure this part of the brain and got it right for all the wrong reasons. Wish I could do that more often. +  

 +0  upvote downvote
submitted by m-ice(272),
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sDreyiatm si eht alkc of iaoodiorctnn fo nnetiedd .mtsemvnoe Nalyomrl tehes evstmomen era drnedtaocio yb eht uele.brmcel hTsi si eacoltd aeilscifclyp no the 'ansm htrgi dei,s tno htob esdis, so ynlo one lboe will eb di.jrenu