The Administration of Warfarin (Coumadin)

Question

The administration of warfarin (Coumadin)
A) blocks the absorption of vitamin K in the digestive tract.
B) causes hypoprothrombinemia.
C) removes thrombin from the circulation.
D) activates plasminogen.

Accepted Answer

Warfarin works by inhibiting the synthesis of vitamin K-dependent clotting factors, which leads to hypoprothrombinemia, a condition characterized by reduced levels of prothrombin, a protein needed for blood clotting.