HDL's primary function in cholesterol management is to

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

HDL's primary function in cholesterol management is to

Explanation:
HDL's main job is reverse cholesterol transport. It scavenges cholesterol from tissues and artery walls and carries it back to the liver for processing and excretion. This helps clear excess cholesterol from the bloodstream and reduces the risk of plaque buildup in arteries, which is why HDL is considered the "good" cholesterol. The other ideas don’t fit: HDL doesn’t boost liver cholesterol production, it doesn’t deposit cholesterol in artery walls (that role is more associated with LDL), and it doesn’t block intestinal cholesterol absorption.

HDL's main job is reverse cholesterol transport. It scavenges cholesterol from tissues and artery walls and carries it back to the liver for processing and excretion. This helps clear excess cholesterol from the bloodstream and reduces the risk of plaque buildup in arteries, which is why HDL is considered the "good" cholesterol. The other ideas don’t fit: HDL doesn’t boost liver cholesterol production, it doesn’t deposit cholesterol in artery walls (that role is more associated with LDL), and it doesn’t block intestinal cholesterol absorption.

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