Do not resuscitate (DNR) orders are legally separate from advance directives.

King: Imogene King developed the Theory of Goal Attainment, a nursing theory that focuses on the nurse and patient interacting to achieve goals.

Orem: Dorothea Orem developed the Self-Care Deficit Nursing Theory, which emphasizes the patient's self-care needs.

Watson: Jean Watson developed the Theory of Human Caring, which emphasizes the importance of the nurse-patient relationship and the concept of caring in nursing practice.

Wellington-Smith: There is no widely known nursing theorist by this name, making it the correct answer for this question.

Client: Clients or patients are at the center of nursing care, and their well-being is a primary focus of nursing theories and models.

Environment: The environment in which the client exists, including physical, social, and cultural factors, is often considered in nursing models. It can influence a client's health and well-being.

Health: Health is a central concept in nursing theories. Different models may define health in various ways, such as the absence of disease, a state of well-being, or the ability to function at one's fullest potential.

Nursing: Nursing itself is a key concept in nursing theories and models. These theories often outline the role of the nurse, their responsibilities, and their impact on the client's health and well-being.