Vitamins and Nutrition USMLE Step 1 Practice Question
A 54 year old man with alcohol use disorder is brought to the emergency department for confusion and difficulty walking. Examination reveals horizontal nystagmus, ophthalmoplegia, and ataxia. He is given intravenous dextrose before vitamin replacement, and his mental status worsens. Deficiency of which of the following cofactors most likely caused this presentation?
Answer choices
- AFolate
- BVitamin C
- CRiboflavin
- DBiotin
- EThiamineCorrect answer
- FPantothenic acid
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