Nurses provide care and comfort to everyone from infants to the elderly, from basic tasks like changing bed sheets and helping individuals dress themselves to treating patients, analyzing health information, operating medical machines, and providing public education about health care topics.Nursing RolesMultiple levels of nursing give you ample options to develop a nursing career. Nursing aides and assistants do the most basic kinds of work. Licensed practitioner nurses (LPNs) have greater responsibilities such as monitoring medical equipment, supervising aides, and taking ...