What is one key aspect of a lifeguard's training?

Effective first aid and CPR techniques are crucial elements of a lifeguard's training because they prepare lifeguards to respond to emergencies that can occur in aquatic environments. Lifeguards must be equipped to address a range of medical situations, including drowning incidents, injuries, and health emergencies that may arise while people are swimming or engaging in water activities. The ability to perform high-quality CPR and provide first aid can significantly increase the chances of survival and recovery for individuals in distress.

In contrast, while individual swimming improvement, marketing techniques for events, and knowledge of nutrition may have their own importance in different contexts, they do not directly relate to the immediate safety and emergency response responsibilities of a lifeguard. Lifeguards' primary role is to ensure the safety of patrons in the water, and their training focuses on skills that support this vital function.