What steps should a lifeguard take when responding to an overheated swimmer?

When responding to an overheated swimmer, moving them to a cool area and providing fluids while monitoring their condition is crucial. This approach helps in alleviating the symptoms of overheating, as it addresses both immediate relief and the need for hydration.

Taking the swimmer to a cooler environment reduces their body temperature more effectively than attempting to cool them down with water alone, especially if the immediate outdoor temperature is high. Hydration is equally important since overheating can lead to dehydration, which can exacerbate their condition. Monitoring the swimmer after providing these measures helps ensure that their condition does not worsen and allows for timely intervention if they begin to show signs of distress.

The other approaches, such as having them rest on their own, jumping into the pool, or giving them a cold shower, do not adequately address the swimmer's needs. Resting without proper cooling and hydration can delay recovery, while immersion in a pool may not provide the necessary immediate effect and can also be overwhelming. A cold shower might cause shock or discomfort to an overheated individual, which is counterproductive. Therefore, the correct response emphasizes a systematic and supportive approach to properly care for someone suffering from overheating.