Residents must be informed of the policies regarding which specific aspect of care?

The focus on health care directives is crucial for residents in a nursing care institution because these directives encompass a patient's rights related to their care preferences, end-of-life decisions, and overall treatment. It’s imperative for residents to understand their rights to make informed decisions about their medical care and to communicate those wishes effectively.

By being educated on health care directives, residents can ensure their health care plans align with their values and desires, which directly impacts their quality of life and the appropriateness of the care they receive. This understanding empowers residents to participate actively in their health care decisions and ensures that their preferences are respected.

In contrast, while medication administration, facility cleanliness, and staff training are important aspects of care and operation within a nursing facility, they do not hold the same direct implications for resident autonomy and decision-making as health care directives do. These areas, though essential for the overall quality of care, focus more on operational practices rather than the personal rights and choices of the residents themselves.