Vitamin K deficiency could be a problem in someone who
A) does not produce intrinsic factor.
B) uses antibiotics for several months.
C) struggles with alcoholism.
D) has limited skin exposure to sunlight.

Question

Quizplus · Accepted Answer

Antibiotics kill gut bacteria that synthesize vitamin K,and so long-term use of antibiotics may cause vitamin K deficiency.Intrinsic factor is required for absorption of vitamin B₁₂,not vitamin K.Alcoholism is associated with secondary deficiencies of several B vitamins.Skin exposure to sunlight stimulates production of vitamin D.

Vitamin K Deficiency Could Be a Problem in Someone Who