Vitamin K dependent clotting factors are______________?
Correct answer: E. All of the above
- A. II
- B. VII
- C. IX
- D. X
- E. All of the above
Explanation
Vitamin K is required for gamma-carboxylation of clotting factors II, VII, IX and X, allowing them to bind calcium. Since every factor listed is vitamin K dependent, all of the above is correct.
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