Please choose the correct ending to complete the given sentence: Health: [header] How to apply a tourniquet [title] Discover where the blood is coming from. [step] If you find yourself in an emergency situation where someone (or an animal) is severely injured and bleeding, approach with confidence and reassurance. Helping someone in a life-threatening situation is brave, but you must try to discover and assess the injury as quickly as you can.

Ending1: The area where the blood is drawing blood indicates you are around another person. [substeps] If one or more of the people in the situation is wounded, you must make sure to seek medical attention. Ending2: [substeps] If you are not sure where the blood is coming from, try tracing the blood course with the needle. Draw up close to the injured individual or person with the needle. Ending3: If you need a tourniquet, you should do this before providing any help. [substeps] Ask yourself what injuries the person has sustained and consider how often you may ever see him or her and what options you may have for treatment. Ending4: Have the person lie down and find out where the blood is coming from. [substeps] Tourniquets only work on limb injuries, not trauma to the head or torso.

Answer format: ending1/ending2/ending3/ending4