Best practice 'Best practice' in health care broadly refers to a scientific process involving the identification, collection, evaluation, dissemination and implementation of data and therefore the monitoring of outcomes of health care interventions for population groups and defined indications or conditions. The scope of nursing practice is that the range of roles, functions, responsibilities and activities which a RN is educated, competent and has authority to perform. Nursing practice involves advocacy for the rights of the individual patient and for his or her family. Background and context. Professional practice environments (PPEs) are systems that support registered nurses' (RNs) control over the delivery of medical care. Nursing practice problems include, but aren't limited to, the nursing shortages, work-related stress and burnout.