Final answer:
A worker who is unable to perform one or more functions of their job due to an injury is considered to have a disability.
Step-by-step explanation:
b) Disability
A worker who is unable to perform one or more of the regular functions of their job due to an injury would be considered as having a disability. Disability refers to a reduction in one's ability to perform everyday tasks. In the context of work, it means that the individual is hindered from completing the tasks required for their job.