The clinical combination of dermatitis, diarrhoea, and dementia resulting from a deficiency of niacin is referred to as:: (A) Beriberi, (B) Marasmus, (C) Pellagra, (D) Rickets
Answer is C. Deficiencies of niacin produce pellagra, a disease that is characterized by the triad of dementia, dermatitis (“glove” or “necklace” distribution), and diarrhoea.