Answer:
Currently (2016), if there is a false start, they are signalled by firing the starting gun twice. The race is stopped and the offending athletes are immediately disqualified.
Answer:
Warm the person by wrapping him or her in blankets or putting dry clothing on the person. Do not immerse the person in warm water. Rapid warming can cause heart arrhythmia. If using hot water bottles or chemical hot packs, wrap them in cloth; don't apply them directly to the skin.
Explanation:
