What are the two types of frostbite?

The correct classification of frostbite distinguishes between superficial frostbite and deep frostbite, making the answer centered around these two terms appropriate. Superficial frostbite affects the outer layers of skin, particularly the epidermis and part of the dermis, and may present symptoms such as redness, numbness, and a tingling sensation. This type of frostbite typically resolves with warming of the affected area, although it can lead to long-term sensitivity to the cold.

Deep frostbite, on the other hand, involves not just the skin but also underlying tissues, including muscles, nerves, and bones. It often results in more severe damage, such as blistering, a hard and waxy appearance of the skin, and may lead to permanent tissue injury, gangrene, or even amputation if not treated properly.

Understanding these distinctions is crucial for tactical training and medical readiness in mountain warfare environments where exposure to extreme cold can pose serious risks to operational personnel. The other options mentioned do not accurately reflect the medical categorization of frostbite, as they either use vague terminology or refer to degrees of severity that do not specifically designate the relevant types of frostbite.