A. Time of death: The time of death is a crucial detail that needs to be accurately documented. It provides an official record of when life ceased and is necessary for legal and medical purposes. B. Which family members were notified: While it's important to notify family members, documenting the specific individuals who were informed is not required unless it directly affects the care or legal processes. C. Notification of the mortuary: While the notification of the mortuary is part of the post-death process, it typically falls under hospital procedures and would be documented by other departments. The nurse's role is more focused on clinical documentation at the time of death. D. Time at which life signs ceased: The cessation of life signs, such as heart rate and respiration, is often recorded, but the time of death is the official documentation required. The time of death is typically used as the legal record.