Final answer:
The storage duration for skin at refrigerated temperatures is determined by medical standards and requires consulting specific medical guidelines; the provided options are not typical for tissue storage protocols.
Step-by-step explanation:
The question of how long skin can be stored at refrigerated temperatures does not pertain to perishable food items but rather to medical specimens, such as those for grafting or lab testing. While refrigeration can slow bacterial growth on foods and medical specimens, it does not stop it entirely. It is essential to adhere to specific guidelines for different tissue types, and these guidelines are determined by medical standards, which would provide information about skin storage times at refrigerated temperatures.
If the question is about skin tissue within a medical context, it's best to consult relevant medical guidelines as the given options do not directly match with typical protocols in tissue preservation.