Responsibilities: Registered nurses (RNs) perform basic duties that include treating patients, educating patients about mental and medical conditions, and providing advice and emotional support to patients’ and/or family members, running therapeutic groups, psychiatric crisis intervention, seclusion and restraint of patients. RNs record patients’ medical histories and symptoms, help to perform diagnostic tests and analyze results, operate medical machinery, administer treatment and medications, and help with patient follow-up and rehabilitation.