Moderate
The vitamin K dependent proteins C and S are characterized by their ability to inactivate factor_____________?
Correct answer: A. VIII a and V a
- A. VIII a and V a
- B. VIII a
- C. V a
- D. None of the above
Explanation
Activated protein C, with protein S as a cofactor, inactivates factors Va and VIIIa. This limits thrombin formation and helps regulate coagulation.
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