Which type of injury is defined as occurring during employment activities?

The correct answer, defining an injury that occurs during employment activities, is occupational injury. This term specifically refers to injuries that arise out of and in the course of employment, meaning that the injury occurs while an employee is performing tasks related to their job duties. These injuries are typically covered by workers' compensation insurance, which aims to protect employees who suffer work-related injuries or illnesses.

In contrast, a non-occupational injury involves incidents that occur outside the scope of employment, meaning they don't relate to the person's job tasks or duties. Psychological injuries can refer to mental health issues stemming from work-related stress or trauma but are not exclusively categorized under physical employment-related injuries. Chronic injuries, on the other hand, usually reference long-term medical conditions that might develop over time due to repetitive stress or strain related to work tasks but do not specifically denote the immediate occurrence of an injury during work activities.