c) They outline the process of human growth and development. Developmental theories outline the process of growth and development of humans as orderly and predictable, beginning with conception and ending with death. Nurses apply this knowledge to develop interventions for people across the life span. Systems theory, adaptation theories, and legal/ethical care are also important to nursing, but these do not explain the importance of human growth and development in nursing care. More test answers on https://studyhippo.com/nurs-quiz-2-nursing-theory/