第115回 B問題 32
A 60-year-old man presented with sensory disturbance of his fingers and toes. He lived alone and drank alcohol every day. The amount of his alcohol intake was over 60 g/day. He had muscle weakness and burning sensation of his extremities. Examinations showed nystagmus and heart failure.
Which one of the following vitamins is related to his symptoms?
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正答：b
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