Which vitamin is essential for the maintenance of epithelial and mucosal integrity, and its deficiency can lead to impaired wound healing?

A Vitamin A ✓
B Vitamin D
C Vitamin E
D Vitamin K

Explanation

Vitamin A is crucial for maintaining the integrity of epithelial cells and its deficiency can lead to impaired wound healing due to decreased collagen synthesis and impaired immune function.

Source

Harper's Illustrated Biochemistry
Vitamins Nutrition Wound Healing Easy MEDICAL Confidence: high