17. an athletic trainer uses a cold pack to relieve the swelling of a sprained ankle. as the trainer breaks…

17. an athletic trainer uses a cold pack to relieve the swelling of a sprained ankle. as the trainer breaks the package contents, the pack immediately undergoes a chemical reaction that is —\ngeothermic\nalthothermic\nexothermic\nendothermic\nclear all

17. an athletic trainer uses a cold pack to relieve the swelling of a sprained ankle. as the trainer breaks the package contents, the pack immediately undergoes a chemical reaction that is —\ngeothermic\nalthothermic\nexothermic\nendothermic\nclear all

Answer

Answer:

D. endothermic

Brief Explanation:

Cold packs work via an endothermic reaction, which absorbs heat from the surroundings (like the sprained ankle), reducing swelling by cooling the area. Exothermic reactions release heat, and "geothermic" and "althothermic" are not relevant terms here.