Which of the following is NOT true of vitamin K?
A) Vitamin K is essential for the synthesis of prothrombin.
B) Bleeding from heparin overdose can be reversed by using vitamin K.
C) Newborns are given vitamin K because their GI tract does not contain sufficient bacteria to synthesize vitamin K.
D) Chest pain, dyspnea, and hemolytic anemia are possible with overdoses of vitamin K.
E) The normal source of vitamin K is bacterial synthesis by normal intestinal flora using bile salts.
Correct Answer:
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