Which classification of burns appears red, does not blister, and blanches readily?

The classification of burns that appears red, does not blister, and blanches readily is indeed superficial first-degree burns. This type of burn involves only the outermost layer of the skin, known as the epidermis. The redness is a result of increased blood flow to the area due to inflammation. The absence of blisters distinguishes first-degree burns from second-degree burns, which do typically produce blisters.

When the skin blanches readily, it indicates that the blood flow can be temporarily interrupted by applying pressure, which is a characteristic of superficial burns. This response shows that the damage is limited to the upper layer of the skin and that the skin remains intact without deeper tissue involvement.

In contrast, second-degree burns, whether superficial or deep partial thickness, typically involve damage to deeper layers of the skin and would exhibit blisters. Full thickness (third-degree) burns damage both the epidermis and dermis, often appearing white or charred, and do not blanch. Thus, superficial first-degree burns is the correct classification for the described characteristics.