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Questions and Answers
What must happen for LDLs to be taken up by cells?
What must happen for LDLs to be taken up by cells?
- LDL particle must bind to a phospholipid receptor
- LDL particle must bind to a cholesterol receptor
- LDL particle must bind to an HDL receptor
- LDL particle must bind to an LDL receptor (correct)
Which lipoproteins return unused cholesterol to the liver?
Which lipoproteins return unused cholesterol to the liver?
- LDLs
- HDLs (correct)
- VLDLs
- IDLs
What happens to phospholipids during digestion in the small intestine?
What happens to phospholipids during digestion in the small intestine?
- They are eliminated in the feces if undigested
- They are emulsified by bile and transported as micelles
- They are dismantled into free fatty acids and a phospholipid remnant (correct)
- They are absorbed intact through the intestinal wall
What is the number-one killer of adults in the United States?
What is the number-one killer of adults in the United States?
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How are sterols absorbed through the intestinal wall?
How are sterols absorbed through the intestinal wall?
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How does atherosclerosis affect blood flow?
How does atherosclerosis affect blood flow?
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What are LDLs commonly referred to as due to their association with heart disease risk?
What are LDLs commonly referred to as due to their association with heart disease risk?
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How are high levels of HDLs in the blood associated with heart disease risk?
How are high levels of HDLs in the blood associated with heart disease risk?
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