The liver plays a major role in homeostasis by:
a. synthesizing factor I but not factor II.
b. synthesizing clotting factors without the need for vitamin K.
c. removing active clotting factors from the circulation.
d. synthesizing factor II but not factor I.
C
The liver synthesizes fibrinogen (factor I); prothrombin (factor II); and factors VII, IX, and X. Vitamin K is essential for the synthesis of other clotting factors. The liver also removes active clotting factors from the circulation and therefore prevents clotting in the macrovasculature and microvasculature.
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