Question

A class of student nurses is hearing a lecture on wound healing. The professor explains about primary and secondary healing. The professor continues to talk about the phases of wound healing and states that in both primary and secondary healing, the phases of wound healing occur at different rates. What are the phases of wound healing? (Select all that apply.)

a) Inflammation
b) Proliferation
c) Differentiation
d) Remodeling

Answer 1

The phases of wound healing are inflammation, proliferation, and remodeling.

Step-by-step explanation:

The phases of wound healing include:

1. Inflammation: This is the initial response of the body to injury and is characterized by pain, redness, swelling, and warmth in the affected area. Chemical signals cause vasodilation and fluid leakage in the surrounding tissue.
2. Proliferation: In this phase, blood clotting occurs, followed by the regeneration of tissue. Fibroblasts deposit collagen, and epithelial and connective tissues replace damaged cells. Angiogenesis, the growth of new blood vessels, also takes place during this phase.
3. Remodeling: As the tissue is repaired, collagen fibers are laid down randomly by fibroblasts. The clot retracts and slowly dissolves. The formation of granulation tissue and the retraction of the clot help pull the wound edges together.