Final answer:
The skin function NOT typically affected by a second-degree burn is the production of sweat, as the damage does not always extend to all sweat glands in the dermis.
Step-by-step explanation:
In a second-degree burn, the entire epidermis and some of the dermis are damaged. When assessing which function of the skin is NOT typically affected by a second-degree burn, understanding the specific roles of these layers is crucial. The epidermis plays a critical role in protecting the body from UV radiation, and since it's damaged in a second-degree burn, protection from UV radiation is compromised. The dermis contributes to the skin's ability to regulate body temperature, the sensation of touch, and also houses sweat glands.
Since a second-degree burn can affect both the epidermis and the dermis, the function most likely to remain intact would be the production of sweat. This is because not all sweat glands are destroyed in such burns, especially if some parts of the dermis are unharmed, still allowing the production of sweat and thus the question's correct answer is Option 4: Production of sweat.