In what ways could an understanding of systems theory and complexity science impact the role of the NP? Take a few minutes to reflect on the NP practice model that is most predominant in advanced practice environments you have observed. Are you satisfied with the demonstrated level of interprofessional collaboration? Briefly consider what appears to be the driving practice model for advanced practice nursing in your state. If your state lags behind in its practice model language, what might you do to facilitate change? My state of practice is Arizona.