Final answer:
A nurse in the emergency department should report an older adult client who is bedbound and has a stage IV pressure ulcer as a potential victim of abuse.
Step-by-step explanation:
A nurse in the emergency department is required to report an older adult client who is bedbound and has a stage IV pressure ulcer as a potential victim of abuse. According to research, physical abuse includes neglect or failure to provide adequate care, which can be indicated by the presence of stage IV pressure ulcers. Reporting is necessary to ensure the safety and well-being of the client.