Trivia question of the day — Jun 26, 2026
Friday, June 26, 2026. Tap Show answer for the answer, explanation and source.
DIFFICULTY 38 · MEDIUMGENERAL
Which vitamin is essential to the clotting cascade and is the target of the anticoagulant warfarin?
- C
- K
- B12
- D
Show answer
B. K
The enzyme vitamin K epoxide reductase recycles the vitamin, and warfarin blocks that enzyme.
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