This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Biochemistry
Which of the following is cardio protective? 
Select and explain. 
A. HDL, B. LDL, C. VLDL, D. CHYLOMICRON
A: HDL
Answer: A: HDL 
Explanation: Cardioprotective: HDL It is synthesized and secreted by liver cells. It has maximum phospholipids. It takes cholesterol from periphery to liver, also known as reverse cholesterol transpo. HDL conves this cholesterol into cholesterol ester with the help of enzyme LCAT-Lecithin Cholesterol Acyl Transferase. Removes cholesterol from extrahepatic tissue