Oral lesions on the tongue and other mucosal surfaces of the oral cavity is caused by the deficiency of_______________?
Correct answer: B. Niacin
- A. Vit - B1
- B. Niacin
- C. Vit - C
- D. Vit - K
Explanation
Niacin deficiency causes pellagra, classically producing glossitis, stomatitis and other mucosal lesions. Vitamin B1 deficiency more typically causes neurologic and cardiovascular findings, making it a less suitable choice.
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