Final answer:
The correct answer is 72hrs. Skin storage media is a solution used to preserve donated skin until it can be processed for grafting. Initiating processing within a certain timeframe is important to ensure the quality and viability of the skin for transplantation.
Step-by-step explanation:
The correct answer is b. 72hrs. If skin storage media is not changed, processing should be initiated within 72 hours of recovery. Skin storage media is a solution that is used to preserve donated skin until it can be processed for grafting. After recovery, the skin is placed in the storage media, which contains nutrients and antimicrobial agents to keep the tissue viable. It is important to initiate processing within a certain timeframe to ensure the quality and viability of the skin for transplantation.