Xerophthalmia is caused by_______________?
Correct answer: B. Vitamin A deficiency
- A. Vitamin D deficiency
- B. Vitamin A deficiency
- C. Vitamin C deficiency
- D. Vitamin K deficiency
Explanation
Vitamin A maintains the health of the conjunctiva and cornea, so its deficiency can cause xerophthalmia and eventually blindness. Vitamins D, C and K deficiencies produce different characteristic problems.
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