What Do Registered Nurses Do? Registered nurses (RNs) treat and educate patients and the public about various medical conditions, and provide advice and emotional support to patients and their families. RNs record patients’ medical histories and symptoms, help perform diagnostic tests and analyze results, operate medical machinery, and help with patient follow-up and rehabilitation. In addition, RNs also: — Deliver and supervise patient care; — Give patients medicines and treatments; …Read More