What is an initial step a rescuer should take upon reaching a distressed diver?

When a rescuer reaches a distressed diver, the initial step should be to calm the diver and assess their condition. This approach is critical because it allows the rescuer to gauge the diver's physical and mental state, which informs the subsequent actions to take.

Calming the diver is essential for several reasons. A distressed diver may be panicked, which can lead to an increased risk of further complications, including drowning. By establishing a connection and providing reassurance, the rescuer can help stabilize the diver's mental state.

Assessing the diver's condition entails checking for any physical injuries, determining their level of consciousness, and understanding whether they require immediate assistance, such as oxygen or rescue breathing. This comprehensive assessment is vital to ensure any intervention is appropriate and effective.

In contrast, the other options do not prioritize the well-being of the diver or the importance of a structured rescue approach. Starting a rescue operation without assessment can lead to overlooking critical issues that need addressing first. Calling for backup is essential in some situations, but if the rescuer can stabilize the swimmer and carry out immediate assistance alone, then that takes precedence. Ignoring a panicked diver contradicts the core principles of rescue, as it fails to engage with the diver's needs and can