Final answer:
Submerging a major burn in cool water is not appropriate for the injury. Proper first aid includes removing the person from the burn source, protecting the burn, and seeking medical help.
Step-by-step explanation:
Inga provided first aid to a woman who suffered a major burn on her arm. While her intentions were good, submerging a major burn in cool water for 15 minutes is not appropriate for this type of injury. For minor burns, cool water can help reduce pain and swelling, but for major burns, it may cause a drop in body temperature (hypothermia) and can worsen the damage. Proper procedure includes removing the person away from the source of the burn, elevating the affected area if possible to decrease swelling, covering the burn with a clean, dry cloth to protect the area from infection, and seeking professional medical help as soon as possible.