The fat-soluble vitamin that is responsible for synthesis of blood-clotting factors by the liver is vitamin:
a. A.
b. D.
c. E.
d. K.
Question 2
Adequate amounts of vitamin K are usually present in the body because:
a. the amount used daily varies widely.
b. large quantities are stored in muscle and bone.
c. it is widely available in all major food groups.
d. intestinal bacteria synthesize adequate supplies.