KROK 1 2019 – Question 52 · KROK (Medicine) · Biological Chemistry

Wernicke-Korsakoff syndrome often develops in chronic alcoholics, who have a low-vitamin diet. Decreased transketolase activity can be observed in the course of this disease. What vitamin deficiency causes this development?

  1. A. Riboflavin
  2. B. Thiamine
  3. C. Retinol
  4. D. Cobalamin
  5. E. Niacin
Hint

Ask which vitamin-derived coenzyme transketolase depends on, and which of these vitamins runs short first in a chronic alcoholic with a poor diet.

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