What this page covers
Practice Step 1-style biochemistry questions on Transketolase and thiamine deficiency (Wernicke encephalopathy), including Chronic alcohol, confusion, ataxia, ophthalmoplegia, with emphasis on enzyme / mechanism and answer-choice reasoning.
How to use this page
Review the topic and reasoning focus, then practice Step 1-style questions inside BiochemStep. The question set emphasizes mechanism-first answer-choice reasoning rather than passive content review.