What is the most common cause of vitamin K deficiency?
A)Administration of warfarin (Coumadin)
B)Total parenteral nutrition (TPN) with antibiotic therapy
C)An IgG-mediated autoimmune disorder
D)Liver failure

Question

Quizplus · Accepted Answer

The most common cause of vitamin K deficiency is parenteral nutrition in combination with broad-spectrum antibiotics that destroy normal gut flora.

What Is the Most Common Cause of Vitamin K Deficiency