Certified Wound Care Nurse (CWCN) Practice Exam

Which nutrient is known for promoting collagen synthesis and is essential for wound healing?

1. Zinc

2. Vitamin C

3. Vitamin K

4. Protein

The correct answer is: Vitamin C

Vitamin C plays a crucial role in promoting collagen synthesis, which is essential for the wound healing process. Collagen is a protein that provides structure and strength to the skin and other tissues, and it is a key component in the formation of granulation tissue during wound healing. Vitamin C acts as a cofactor for the enzymes involved in the hydroxylation of proline and lysine, which are necessary for the stable conformation of the collagen triple helix. Without adequate Vitamin C, collagen production can be impaired, leading to delayed wound healing and increased risk of complications such as infection or poor scar formation. While other nutrients listed, such as zinc, protein, and vitamin K, are also important for overall health and have specific roles in wound healing, Vitamin C directly facilitates the process of collagen synthesis, making it particularly vital in the context of wound care. Protein is necessary for the rebuilding of all types of body tissue, but Vitamin C is specifically essential for collagen production. Zinc is important for immune function and healing, and vitamin K is crucial for blood clotting, but neither of them has the same direct influence on collagen synthesis.