Final answer:
The nurse manager's priority is to review the long-term goals of the unit.
Step-by-step explanation:
The nurse manager's priority among the given options is to review the long-term goals of the unit.
While all the actions mentioned are important, reviewing long-term goals ensures that the unit is aligned with its overall objectives and can guide the daily work and activities of the unit. It helps in setting priorities, allocating resources, and making strategic decisions.
Assigning client care to staff, coordinating staff breaks, and organizing daily meetings are essential tasks that contribute to efficient unit functioning, but they are secondary to reviewing long-term goals.