Final answer:
A registered dietitian is a professional who helps plan nutrition programs for individuals in various settings, such as health care facilities, nursing homes, schools, or private practices.
Step-by-step explanation:
A registered dietitian is a professional who helps plan nutrition programs for individuals in various settings, such as health care facilities, nursing homes, schools, or private practices. They design nutrition plans to treat and prevent diseases, and may teach patients with conditions like diabetes how to manage their blood sugar levels through proper diet. Registered dietitians also assess special nutritional needs, develop therapeutic and regular diets, participate in interdisciplinary care planning, and supervise food preparation, service, and storage.