Final answer:
A burn that is painful, red, exudes fluid, and has edema with blistering is classified as a second-degree burn (b).
Step-by-step explanation:
A burn that is painful, red, exudes fluid, and has edema with blistering is classified as a second-degree burn (b) . Second-degree burns go deeper and affect both the epidermis and a portion of the dermis. These burns result in swelling and a painful blistering of the skin, which aligns with the symptoms described in the question.