Elevated HDL concentrations are associated with a low risk of heart disease because they:
A) transport newly absorbed lipids from intestinal cells to the rest of the body.
B) carry cholesterol and triglycerides from the liver to the rest of the body.
C) carry lipids around in the blood more often than LDL.
D) scavenge excess cholesterol and phospholipids from the tissues and return them to the liver.
E) are a more complex type of cholesterol.

Question

Quizplus · Accepted Answer

Elevated HDL concentrations help to lower the risk of heart disease because they scavenge excess cholesterol and phospholipids from tissues and transport them back to the liver for processing and removal from the body. This process can help prevent the buildup of plaque in the arteries, which can lead to heart disease.

Elevated HDL Concentrations Are Associated with a Low Risk of Heart