Science. Explain why iron sulphide is a compound and not just a mixture of the two elements iron and sulphur. Explain why iron sulphide has different properties to a mixture of iron and sulphur and also describe and explain tests that can distinguish between iron sulphide and a mixture of iron and sulphur.
General information. Dietitians are the only qualified health professionals that assess, diagnose and treat dietary and nutritional problems at an individual and wider public-health level. They work with both healthy and sick people.
While an understanding of nutrition is a key element of many health careers, dietitians focus exclusively on the impact of food on health. Dietitians are experts in designing nutrition programs to protect health, prevent allergic reactions and alleviate the symptoms of many types of disease.Clinical dietitians provide medical nutrition therapy for patients in institutions such as hospitals and nursing care facilities.alary and Outlook. A dietitian working in a hospital can expect to earn $42,000 to $55,000. Salaries are higher for professionals who manage staff, work as consultants to business or conduct research.