Question

The Vitamin that play a crucial role in maintenance and repair of epithelial tissue by promoting cell differentiation and proliferation is:

• A. Vitamin C
• B. Vitamin A
• C. Vitamin D
• D. Vitamin K

Answer 1

Answer:

B. Vitamin A

• The important role of vitamin A in immune system function is well established.
• Vitamin A deficiency can affect host immunity through direct actions on immune cell function and through indirect effects on epithelial cell differentiation and, consequently, host barrier defenses.

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