Compare and contrast the primary care NP role with other nursing advanced practice roles and the role of physician assistants. What are the similarities among the roles and what are the differences? What are some growing areas of nursing specialization in nursing, and how do you see this continuing to evolve in the future? For example, informatics and disaster nursing are growing area of nursing specialization that grows from specific needs in healthcare. What do you envision when you consider the roles of nursing advanced practice in the future?