1. What are the four stages of nursing theory (practice theory, middle-range theory, grand theory, and metatheory) and how do you summarize them? 2. Explain how the Campinha-Bacote model applies to advanced practice nursing. 3. How might advanced practice nurses use parts of the Papadopoulos, Tilki, and Taylor model in their work? 4. Discuss how cultural competence is important in advanced practice nursing.