The substance in the blood from the metabolism of fats in the diet is called?

The substance in the blood from the metabolism of fats in the diet that corresponds to the correct answer is cholesterol. Cholesterol is a lipid that plays a critical role in various body functions, including the formation of cell membranes, hormone production, and overall fat metabolism. It is important to understand that while triglycerides are also a type of fat found in the bloodstream and result from fat metabolism, they serve a different function primarily as a storage form of energy.

Cholesterol itself is often transported in the bloodstream as part of lipoproteins and is associated with both dietary intake and the liver's production. Therefore, in the context of metabolism and its direct role in the bloodstream from dietary fats, cholesterol is the most relevant answer to the question. It is essential to differentiate it from glucose, which is a carbohydrate, and from fatty acids, which are the building blocks of triglycerides but not the direct result of fat metabolism as a substance in the blood.