Final answer:
The nurse is practicing ethically when caring for the terminally ill client by discussing end-of-life care goals with the client.
Step-by-step explanation:
The nurse is practicing ethically when caring for the terminally ill client by discussing end-of-life care goals with the client. This demonstrates respect for the client's autonomy and preference in their care. It allows the client to express their wishes and make decisions about their treatment and end-of-life choices. Additionally, it promotes open communication and shared decision-making between the nurse and the client.