Please choose the correct ending to complete the given sentence: Health: [header] How to make a traction splint for a fractured femur [title] Check the abc's : [step] Airway, breathing and circulation. Trauma significant enough to snap a femur is likely strong enough to cause other issues, possibly even rendering the victim unconscious. If this is the case, you must make sure he has an open airway, is breathing (with or without intervention) and he has a pulse.

Ending1: If not, make sure the injured person is wearing comfortable clothing or is cold. [title] When you hear a popping noise, you will make a snap in your breathing tool to be taken care of. Ending2: [title] Place the injured person on a wet towel. [step] Prepare a paper towel with an absorbent wipe on it. Ending3: [title] Apply traction and maintain traction through the entire process. [step] This is going to require an additional rescuer. Ending4: If not, contact emergency services or go to the hospital. What are the appropriate airways? If first, call 911.

Answer format: ending1/ending2/ending3/ending4