The National Nursing Core Competencies Standards of 2012 includes the 3 major roles the professional nurse. As a nurse generalist, they can assume the role on client care, serves as managers and leaders of nursing service units and become a researcher. They can pursue advanced practice nursing such as ambulatory care, cardiovascular nursing, critical care, emergency care nursing, enterostomal and wound care nursing, gerontology nursing, hospice/palliative nursing, nephrology nursing, neurologic nursing, nursing informatics, oncology nursing, orthopedic nursing, renal nursing, and telehealth nursing