What is the role of gauze or packing dressing in combat first aid?

The role of gauze or packing dressing in combat first aid is primarily to control bleeding, particularly when dealing with external wounds. When a patient has a laceration or gunshot wound that is bleeding profusely, applying gauze or packing tightly into the wound is crucial. This direct pressure helps to promote clotting and reduces blood loss, which is vital in a combat scenario where time is of the essence and blood loss can quickly become life-threatening.

Using gauze effectively can stem minor to moderate bleeding and provide stability until further medical assistance can be administered. In high-pressure environments, this immediate application of pressure is often one of the first steps taken by a Combat Lifesaver to stabilize a casualty.

Other options do not accurately represent the purpose of gauze or packing dressings. While gauze can be used in various situations and might indirectly support other treatments, its specific function in combat first aid focuses on controlling bleeding rather than addressing severe internal bleeding, providing breathing aid, or administering medication.