A dietitian is a health professional who specialises in food and nutrition, applying scientific knowledge to help individuals and groups make appropriate dietary choices for health, disease management, and well-being. This career falls squarely within the domain of Home Economics because the field covers nutrition, food science, meal planning, and the relationship between diet and health.
Home Economics graduates can pursue careers in dietetics by further specialising in areas such as clinical nutrition (advising patients in hospitals), community nutrition (designing public health programmes), food service management (planning menus for institutions), or sports nutrition.
The other options represent careers in fields unrelated to Home Economics. A mechanical engineer designs and builds mechanical systems and machines, which belongs to engineering. An astrophysicist studies celestial objects and the physics of the universe. A software engineer develops computer programmes and applications. None of these professions draws on the core content areas of Home Economics - nutrition, textiles, child development, consumer education, or household management.