Which of the following is uncommon symptom of deficiency of vitamin A: September 2010
Correct Answer: Polyneuropathy
Description: Ans. D: Polyneuropathy The most common cause of blindness in developing countries is vitamin A deficiency (VAD). Vitamin A is required for vision, maintenance of integrity of epithelial linings, growth and immunity. Deficiency leads to night blindness, dryness of the conjunctiva and cornea and finally liquefactive necrosis (keratomalacia) and ulceration of the cornea.
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