What HDL level is generally considered to provide cardiovascular protection?

• A. Greater than 30
• B. Greater than 40
• C. Greater than 50
• D. Greater than 60

Answer: (D)

A high-density lipoprotein (HDL) level greater than 60 mg/dL is generally recognized as providing cardiovascular protection. This elevated level is associated with a lower risk of heart disease and stroke because HDL is often referred to as "good" cholesterol. It plays a crucial role in removing excess cholesterol from the bloodstream and transporting it to the liver for excretion or recycling, thereby preventing the buildup of plaques in arterial walls.

Higher levels of HDL are considered protective as they help to mitigate the harmful effects of low-density lipoprotein (LDL) cholesterol, also known as "bad" cholesterol. Studies have shown that individuals with HDL levels at or above 60 mg/dL tend to have a more favorable cardiovascular risk profile, making this threshold significant in clinical practice for assessing cardiovascular health.