Explain the four specialty roles of the Advanced Practice Registered Nurse (APRN) and the educational preparation necessary to have this certification.

Write a 3- to 4-page scholarly paper (excluding title page or reference page) addressing the following:
Explain the four specialty roles of the Advanced Practice Registered Nurse (APRN) and the educational preparation necessary to have this certification.
Describe the scope of practice of each of the four Advanced Practice Registered Nurse specialty roles.
For this paper, please include title page, headings, and reference page in APA format.