Final answer:
A nurse working efficiently with others to achieve goals fulfills the role of a Manager. This role necessitates overseeing operations and coordinating with healthcare staff, setting it apart from the change agent or educator roles.
Step-by-step explanation:
A nurse acting to accomplish goals of providing care in an efficient manner while coordinating with other people is most closely fulfilling the role of a b. Manager. This role involves planning, organizing, staffing, directing, and controlling to achieve objectives efficiently and effectively. Nurses often step into managerial roles when overseeing patient care, coordinating with other healthcare providers, and ensuring that the operations within their department or unit run smoothly.
In the context of the given options:
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- A Change agent would focus on transforming or improving care or policies.
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- An Educator would focus on teaching patients, families, or staff about health-related topics.
However, the managerial role is distinct in its comprehensive approach to guiding a team or facility towards their goals with efficiency and cooperation.