KROK 1 2016 – Question 137 · KROK (Medicine) · Biological Chemistry
After an extended treatment with sulfonamides a patient has developed macrocytic anemia. Production of active forms of the following vitamin is disrupted in such a condition:
- A. Cyanocobalamin
- B. Folic acid
- C. Pyridoxine
- D. Riboflavin
- E. Thiamine
Hint
Ask how the antibacterial drug works on microbial metabolism and which vitamin-dependent step of DNA building-block synthesis would then fall short in dividing cells.
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