21. Night Blindness is caused by deficiency of which of the following Vitamin? A.Vitamin B B.Vitamin C C.Vitamin K D.Vitamin A
Answer: Option D Solution: Vitamin A deficiency can result from inadequate intake, fat malabsorption, or liver disorders. Deficiency impairs immunity and hematopoiesis and causes rashes and typical ocular effects (eg, xerophthalmia, night blindness).
