Final answer:
Surgical incisions are associated with healing by primary intention since the edges of the wound are close together and can be easily approximated and fastened for quicker healing.
Step-by-step explanation:
The nursing students demonstrate understanding of the types of wound healing when they identify healing by primary intention with a surgical incision. This is because primary intention healing refers to the process where the wound edges are close together and can be brought together and fastened if necessary, which promotes quicker and more thorough healing. Surgical incisions are typically clean and precise cuts made by medical professionals that can be closed with sutures, staples, or adhesive, allowing for primary union. In contrast, pressure ulcers, deep lacerations, and burns often result in more extensive damage and may require secondary intention healing, where the wound heals from the bottom up and cannot be easily approximated.