20 Questions
What is the main reason for the push to eliminate trans fats from our food system?
Trans fats increase the risk of cardiovascular disease.
Why are sterols considered lipids even though they have a different structure compared to triglycerides?
Sterols have a hydrophobic nature.
Which molecule is the most common animal-derived sterol in the body?
Cholesterol
What is the primary function of cholesterol in the cell membrane?
Regulating membrane structure and permeability
Which hormone is NOT synthesized using cholesterol as a precursor?
Insulin
What is a risk factor for fat-soluble vitamin deficiencies?
Fat malabsorption
What is a precursor for steroid hormones, bile salts, and vitamin-D?
Cholesterol
What type of fatty acids can be used to synthesize endocannabinoids?
Essential fatty acids
What is a function of the cardiovascular system?
To carry oxygen and nutrient-rich blood to tissues
What factor influences the contribution of lipids to our health?
The type, amount, source, and individual health
What is the main dietary source of lipids?
Triglycerides
Which lipoprotein mainly delivers cholesterol to body cells?
Low-density lipoproteins
What is a function of lipids in the body other than energy provision?
Cell membrane structure
High saturated fat intake is associated with increases in which type of lipoprotein?
Low-density lipoproteins
Where do lipids require transporters in order to be carried?
Small intestine, lymph, and blood
What is the role of LDL in the body?
To deliver cholesterol to areas of the body where it is needed
What is the association between HDL levels and cardiovascular disease risk?
Higher HDL levels are associated with lower CVD risk
What is the energy yield of lipids per gram?
9 kcal/g
What is the process by which fatty acids are broken down into acetyl CoA?
Beta-oxidation
What is the purpose of HDL in the bloodstream?
To remove excess cholesterol from the bloodstream
Explore the basics of lipids, their function in providing energy, and their impact on cardiovascular health. Learn about different types of lipids like triglycerides, fatty acids, sterols, and phospholipids.
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