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free120/Block 2/Question#19 (reveal difficulty score)
A 73-year-old woman comes to the physician ...
Vitamin B12 (cyanocobalamin) πŸ” / πŸ“Ί / 🌳

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submitted by βˆ—benwhite_dotcom(653),
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aecutuSb bomdniec iegaoeedrtnn oesgep(isvrr rpplerhaei nessoyr nad tomor lsos) is a leat gins fo B12 ecenifciy,d chwhi si nmocmo ni lod ppeel.o nO emxs,a a irriectga tiatpne who eivsl neola nda mya eahv a β€œeat dan ttsao” edti is lleyki to ahev vniaimt sdeceinifc,ei ltrparuacily fo elfoat nad 1B.2

submitted by βˆ—bharatpillai(38),
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auucebSt idencomb nediareonget vnree odcuresp xeeatdrgea 'tsI noe of eht eucsas fo kibnasbi + ithw anbest aenlk rx.elef

melchior  From googling it, it seems that B12 deficiency can produce either hyperreflexia or hyporeflexia. This makes sense, because it causes both UMN lesions (causing hyperreflexia), but it also affects the afferent pathways. +3  

submitted by βˆ—jbrito718(30),
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rpnecebiSrelloa trtac -- uooicncnsU tpivioperoepcr longtgn'aisnsitei' n.

aeratLl antosilprcoiC cartt -- rnlCoost piltalreisa mbil ifen 't in.smoskenaeow of xoerestsn dna forelx ls.ecsmu gtgaaeeedxr el'rxseef

sraolD onmuCl -- eWthi aetmtr in .poroeitsr edMa fo lealcigr and nuceatus c.lcfisuia rliGeca is rfo erwlo body nsysoer dna enueatc is ppeur yodb anceresde.d' ssyero eanstoins ot itabnvior nad i'itsonop

l-tnailiyi i tup B6 uaebces of sedtirnospci fo ahlprpreei uteyoahnpr, tbu the ecsdaered i/ttrovenanooicrboirpipp was hte yek itondterfefair

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