Family nurse practitioners (FNPs) are graduate-educated, nationally-certified and state licensed advanced practice registered nurses (APRNs) who care for medically stable patients across the lifespan, from infants to geriatric patients. What are the educational requirements to practice as a FNP? According to the American Association of Colleges of Nursing (AACN), what is the recommended terminal degree to prepare nurse practitioners. Who determines the scope of practice for FNPs? Who defines it? Who Credentials and what is the role of a Professional and Political Organization in defining the role?