Final answer:
The characteristic scenario when unit staffing includes nursing assistive personnel is that the registered nurse is accountable for the tasks delegated to the NAP.
Step-by-step explanation:
When unit staffing includes nursing assistive personnel (NAP), a characteristic scenario is that the registered nurse (RN) is accountable for the tasks delegated to the NAP. This means that while NAPs may have formal training to perform various tasks under the direct supervision of an RN, the RN retains professional responsibility for the patient care provided by the NAP. It's essential that tasks delegated to NAPs are within the scope of practice for the RN, as this ensures patient safety and compliance with healthcare regulations. For example, NAPs might be tasked with duties like monitoring vital signs or preparing equipment, which they are trained to do, but always under the RN's oversight.