Cholesterol and Lipoproteins

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Questions and Answers

Which lipoprotein transports cholesterol from liver to peripheral tissues?

IDL
VLDL
HDL
LDL (correct)

Which lipoprotein is known as 'the bad cholesterol'?

LDL (correct)
IDL
VLDL
HDL

Which lipoprotein transports cholesterol from peripheral tissues to the liver?

HDL (correct)
IDL
LDL
VLDL

Which lipoprotein is closely associated with increased risk for heart disease based on the number of particles?

LDL (B) Signup and view all the answers

Which lipoprotein is produced by the liver and intestine?

HDL (A) Signup and view all the answers

What is the function of LDL in cholesterol transport?

LDL transports cholesterol from the liver to peripheral tissues as part of the cholesterol transport pathway. Signup and view all the answers

How does HDL protect against atherosclerosis?

Elevated HDL levels protect against atherosclerosis by removing cholesterol from vessel walls and transporting it to the liver where it is removed from the body. Signup and view all the answers

What is the significance of the number of LDL particles in relation to heart disease risk?

It has been shown that the higher the number of LDL particles, the higher is the risk for heart disease. Signup and view all the answers

Why are decreased HDL levels considered atherogenic?

Decreased HDL levels are considered atherogenic because HDL is involved in the reverse cholesterol transport pathway, and lower levels can lead to inadequate cholesterol removal from vessel walls. Signup and view all the answers