What action should be taken immediately after using emergency first aid supplies?

The immediate action required after using emergency first aid supplies is to restock the supplies. This is crucial because it ensures that the first aid kit is always ready for future emergencies. Timely restocking helps maintain the integrity of the first aid response capabilities, guaranteeing that all necessary materials are available for anyone who may require immediate assistance in the future.

While informing a supervisor, disposing of used supplies, and documenting usage are important actions in the overall protocol following a first aid response, they do not address the immediate need to restore the supplies to ensure preparedness. Ensuring that the first aid kit is fully stocked takes priority to prevent any gaps in safety and care during emergencies.