What priority category must be completed by the end of the duty day?

The priority category that must be completed by the end of the duty day is classified as "urgent." Tasks categorized as urgent are time-sensitive and require immediate attention to ensure that the health and safety of patients are not compromised. These tasks are critical for maintaining the operational readiness of the aerospace medical services and ensuring that any potential issues are addressed swiftly.

In an aerospace medical environment, urgent priorities often include situations that could impact patient care, such as the need for timely medical evaluations, treatments, or interventions. Completing these tasks by the end of the duty day helps maintain a high standard of medical care and operational efficiency.

Other categories, while important, do not share the same immediate time constraints. "Immediate" refers to tasks that must be done right now, potentially superseding any other work in progress, while "deferred" indicates tasks that can be postponed without immediate repercussions. "Condition pending" typically implies further assessment or conditions that need to be met before action can be taken. Thus, understanding the distinctions between these categories is essential for prioritizing workload effectively.