The correct answer is 3. An occlusive dressing creates a barrier to prevent air, water, or other substances from passing through. It contains fluid allowing for softening of the eschar and autolytic debridement to occur. Occlusive dressings are not suitable for all types of wounds. They are typically used for superficial wounds with minimal to moderate exudates, such as abrasions, minor burns, surgical incisions, and certain dermatological conditions. Frequent dressing changes and wound cleansing reduces the bacteria burden on the wound.
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