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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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 +5 
submitted by βˆ—benwhite_dotcom(622),
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aetucSub dbniceom ennrioteagde rp(sesvoigre arepplhire ssryeon dna otomr )ossl si a tale insg fo 21B f,dncycieei iwhhc si oocnmm ni dol eepo.pl nO ,msaex a igrtaicre ittnpea who seilv elano dan yam ehav a β€œaet nda oatst” etdi si lkiley to hvea iiavmnt scfeie,enidic cauyrlatpirl of lotfea dan 1B.2




 +2 
submitted by βˆ—bharatpillai(34),
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aecubtuS dibmceon edgeeiornatn neerv orcuesdp aedgxeerta ref.exsel I'ts neo fo eht acssue of ibkbnias + hwit eatnsb lenka ee.lrfx

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. https://www.hindawi.com/journals/crinm/2013/159649/ +3  



 +0 
submitted by βˆ—jbrito718(19),
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ATCESUBU BOIDMENC TNRAGEIDOEEN B1(2 ye:)cdifcein

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linyi-aitl i tpu 6B auecebs fo norpciedtiss of eihpperlra oahnpyrut,e tbu eth eddereacs n/ppirtvoroicotrinoeapib saw eht eky rfeeodraftiint




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