Multiple choice

Which of the following diseases is caused by decreased intake of niacin or tryptophan in the diet?

  1. Korsakoff's syndrome

  2. Wet beriberi

  3. Pellagra

  4. Infantile beriberi

  5. Dry beriberi
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pellagra is a vitamin deficiency disease most frequently caused by a chronic lack of niacin (vitamin B3 in the diet. It can be caused by decreased intake of niacin or tryptophan, and possibly by excessive intake of leucine.

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