John is a 52-year-old factory worker. He has been admitted to the hospital and presents with muscle weakness and inflammation of his mouth. He is a bit confused and states that he isn't drinking now although he has a history of alcohol abuse. He has lost quite a bit of weight in the last six months, and his dietary intake has been poor. He was laid off a year ago but he is back to work part-time Further testing has been ordered to determine the cause for concern and confirm the diagnosis. Based on the information provided, what vitamin deficiency do the signs and symptoms suggest?
a. B1
b. B2
c. B3
d. B6
b
Nutritional Science
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