Talking loudly at nurses’ station about family issues violates:

The Portability & Privacy Act, more commonly known as HIPAA (Health Insurance Portability and Accountability Act), focuses on the protection of patient information and the portability of health insurance. While it is crucial for ensuring confidentiality, the specific act does not directly address the behavior of talking loudly about personal issues, making it less relevant in this context.

Rehabilitation rules typically refer to guidelines set for patients in rehab facilities concerning their treatment and behavior. While inappropriate discussions may occur in such environments, the question pertains more broadly to professional conduct rather than specific rehabilitation protocols, making this choice an incorrect match.

The Federal Privacy Act primarily governs the collection, maintenance, and dissemination of personal information by federal agencies. While it relates to privacy, it does not specifically address the conduct of healthcare professionals in informal settings such as nurses' stations, making it less applicable to the situation described.