Final answer:
Palliative care for a hospice client aims to manage symptoms and improve their quality of life, not to cure the disease or prolong life at all costs. Therefore, the correct option is c.
Step-by-step explanation:
The goal of palliative care for a client on hospice care is C) Managing symptoms and improving quality of life. Palliative care is focused on providing relief from the symptoms and stress of a serious illness. The primary aim is not to cure the underlying disease, as hospice patients are typically those who are no longer seeking curative treatment, but rather to offer comfort and support, addressing not only physical pain but also emotional, social, and spiritual needs of both patients and their families.