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Lipoprotein Metabolism Functions Quiz

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Questions and Answers

What is the main function of cholesterol in the body?

To serve as a component of cell membranes and steroid hormones (correct)

To form chylomicrons for lipid transport

To provide immediate energy to cells

To break down triglycerides in the liver

Which lipoprotein is mainly responsible for removing excess cholesterol from tissues?

Chylomicrons

LDL

VLDL

HDL (correct)

What is the primary role of VLDL in the body?

To break down triglycerides in the intestines

To remove excess cholesterol from tissues

To provide stored energy to cells during fasting

To carry dietary fats and cholesterol in the bloodstream (correct)

How do chylomicrons form in the body?

Through the action of bile salts on dietary fats Signup and view all the answers

How do chylomicrons get broken down in the body?

By lipoprotein lipase cleaving triglycerides Signup and view all the answers

Where are chylomicron remnants cleared in the body?

Liver Signup and view all the answers

How are VLDL remnants removed from the bloodstream?

By LDL receptors in the liver Signup and view all the answers

What happens when there is a genetic LDL receptor malfunction?

High levels of LDL Signup and view all the answers

What is the role of statins in cholesterol regulation?

Reduce endogenous cholesterol production Signup and view all the answers

How do HDLs remove cholesterol from the body?

By interacting with cell macrophages Signup and view all the answers