Final answer:
Contrary to the false statements provided, elastic net is indeed used for dressing extremities, precut gauze is used when a wound drains, topper dressing prevents strike-through, and hydrocolloid gauze maintains a moist environment for wound healing.
Step-by-step explanation:
The subject of the question pertains to the appropriate methods and materials used for dressing a wound on the palm, which is considered a body extremity. When dressing extremities, elastic netting can indeed be used to secure the dressing over the gauze on the palmar surface. Contrary to the false statement in the question, elastic net is suitable for this purpose because it holds the dressing in place and accommodates different shapes and movements.
Precut gauze is typically used when wound drainage is present, helping to absorb any excess fluid and prevent the surrounding areas from becoming moist or soiled. The assertion that precut gauze is not used when a wound drains is incorrect. A topper dressing is used on top of the primary dressing (such as precut gauze) to provide additional absorbency and to prevent strike-through, where wound drainage penetrates through the dressing and becomes visible on the outside.
Regarding the healing environment for a wound, a hydrocolloid gauze is used precisely because it helps to maintain a moist environment, which is beneficial to wound healing. Therefore, the statement that hydrocolloid gauze does not provide a moist environment is inaccurate.