L5-Lipid and fats

Which of the following is NOT a function of lipids in the body?

• Energy storage

• Structural component of cells

• Production of hemoglobin

• Synthesis of steroid hormones

Where are triglycerides primarily broken down in the body?

• Liver

• Small intestine

• Stomach

• Mouth

What is the main structural component of cell membranes?

• Triglycerides

• Phospholipids

• Chylomicrons

• Steroid hormones

Which enzyme catalyzes the rate-limiting step in cholesterol synthesis?

• Lipoprotein lipase

• HMG-CoA reductase

• Lecithin cholesterol acyltransferase

• Phospholipase

What happens to cholesterol that the body cannot break down?

• It is stored in the liver

• It is excreted unchanged in bile

• It is converted into glucose

• It forms energy molecules

Which lipoprotein transports cholesterol from peripheral cells to the liver for excretion?

• LDL

• VLDL

• HDL

• Chylomicrons

Which of the following is the largest lipoprotein particle?

• Chylomicrons

• VLDL

• LDL

• HDL

In which organ are most lipoproteins assembled?

• Kidneys

• Liver

• Stomach

• Heart

What is the main component of VLDL particles?

• Cholesterol

• Triglycerides

• Proteins

• Phospholipids

Which lipoprotein is often associated with an increased risk of atherosclerosis when elevated?

• HDL

• LDL

• VLDL

• Chylomicrons