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Which one of the following is a matching pair of a vitamin and the deficiency disease related with it?

1. Riboflavin — beri beri
2. Thiamine — xerophthalmia
3. Niacin — pellagra
4. Calciferol — scurvy

Correct answer: Niacin — pellagra

Solution

Niacin (vitamin B3) deficiency causes pellagra, classically marked by dermatitis, diarrhea, and dementia. The other options mismatch vitamins with diseases caused by different deficiencies.

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