"If swallowed, call a doctor" represents which type of statement?

The statement "If swallowed, call a doctor" is categorized as a mandatory statement because it requires a specific action to be taken in case of a potential health hazard. This language emphasizes the urgency and necessity of seeking medical attention, which indicates that there is a direct risk associated with the ingestion of the substance involved.

Mandatory statements are crucial in safety communications as they ensure that individuals understand the required steps to minimize harm effectively. This approach is particularly relevant in the context of pesticides, where exposure can result in serious health consequences, making it essential to have clear, authoritative guidance on how to respond.

In contrast, advisory statements would generally suggest recommended actions without the implication that they are obligatory. Routes of entry relate to how a substance can enter the body, and optional advice would imply that the actions suggested are not required and can be disregarded. Therefore, understanding the nature of mandatory statements is important for ensuring public safety, particularly concerning harmful substances like pesticides.