spring 2022: biomed exam #4 practice questions – COMPLETE SOLUTION

State true or false: Warfarin is an antagonist of Vitamin K. A. True B. False - A Regarding Vitamin K and its role, which of the following statements are correct? A. Vitamin K epoxide reducatase complex subunit 1 converts oxidized form of vitamin K to reduced form. B. Vitamin K is essential for the maturation of certain coagulation factors C. Vitamin K is a cofactor for the enzyme g-glutamyl carboxylase D. Warfarin inhibits VKORC1 E. All of the above - E Vitamin K is important for the maturation of which of the following coagulation factors? A. Factor II B. Factor VII C. Factor IX D. Factor IX E. All of the above - E State true or false. ADP can cause platelet aggregation whereas Adenosine diphosphatase can prevent platelet aggregation by degrading ADP. A. True B. False - A