Certified Dietary Manager (CDM) Practice Exam

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Prepare for the Certified Dietary Manager Exam with flashcards and multiple choice questions. Improve your knowledge with hints and explanations.

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What is the primary function of high-density lipoprotein (HDL) in the body?

Transporting glucose to cells
Carrying cholesterol to body organs
Removing cholesterol from body organs to the liver
Producing bile for fat digestion

The correct answer is: Removing cholesterol from body organs to the liver

The primary function of high-density lipoprotein (HDL) is to facilitate the removal of cholesterol from body organs and transport it to the liver for excretion or recycling. This process is crucial for maintaining healthy cholesterol levels and preventing the accumulation of cholesterol in the arteries, which can lead to cardiovascular diseases. HDL is often referred to as "good cholesterol" because of its role in promoting reverse cholesterol transport, effectively reducing the risk of atherosclerosis and heart disease. While the other options mention essential functions related to metabolism, they do not accurately represent HDL's role. Transporting glucose to cells pertains specifically to insulin's function and other glucose transporter mechanisms. Carrying cholesterol to body organs refers more to low-density lipoprotein (LDL), which is the "bad cholesterol," associated with the risk of plaque build-up in arteries. Producing bile for fat digestion is a primary function of the liver, and while it relates to cholesterol metabolism, it does not directly involve HDL's role in the body.