Answer: Yes, it is a severe or critical burn because it involves the face.
Answer: The rule of nines is a system that assigns percentages to sections of the body, allowing calculation of the amount of skin surface involved in the burn area.
Answer: Apply direct pressure with a sterile bandage. Maintain pressure with a roller bandage. If bleeding continues, apply a second dressing and roller bandage over the first. If bleeding is profuse and cannot be managed with direct pressure, apply a tourniquet to avoid further blood loss and to allow you to quickly focus on providing other treatments for shock.
Answer: Treat a closed injury with rest, ice, compression, elevation, and splinting.