Certified Wound Care Nurse (CWCN) Practice Exam 2026 - Free Wound Care Nursing Practice Questions and Study Guide

In wound care, the dressing type that primarily functions for absorption is polyurethane foam. This dressing is designed to absorb exudate from the wound, making it particularly useful for moderate to heavily draining wounds. Polyurethane foam dressings create a moist environment that is beneficial for wound healing while simultaneously handling the excess fluid, reducing the risk of maceration of the surrounding skin.

These dressings are also often highly conformable, allowing them to fit the contours of the wound, which enhances their protective function. They can often be left in place for several days, depending on the level of exudate, providing an effective solution for managing wound moisture.

In contrast, hydrogel sheets provide moisture to the wound and are excellent for dry, necrotic wounds. Hydrocolloid dressings create a moist environment and can absorb light to moderate exudate, but they are not as absorbent as polyurethane foam. Transparent film dressings are primarily used for keeping the wound moist and protecting it while allowing for visual inspection, but they do not absorb moisture. Therefore, in the context of absorption, polyurethane foam stands out as the most appropriate choice.