Podcast
Questions and Answers
Which pathway involves the absorption of cholesterol from dietary sources?
Which pathway involves the absorption of cholesterol from dietary sources?
- Intracellular pathway
- Exogenous pathway (correct)
- Endogenous pathway
- Biosynthesis pathway
What percentage of total circulating cholesterol exists in the form of cholesterol esters?
What percentage of total circulating cholesterol exists in the form of cholesterol esters?
- 90%
- 70% (correct)
- 50%
- 10%
Where is cholesterol synthesized in the endogenous pathway?
Where is cholesterol synthesized in the endogenous pathway?
- Liver (correct)
- Kidney
- Intestine
- Brain
Which part of a cholesterol molecule enhances its hydrophobicity?
Which part of a cholesterol molecule enhances its hydrophobicity?
What is the actual concentration of plasma cholesterol in healthy individuals?
What is the actual concentration of plasma cholesterol in healthy individuals?
Which component of lipoproteins does cholesterol circulate as?
Which component of lipoproteins does cholesterol circulate as?
Which of the following is NOT a function of cholesterol mentioned in the text?
Which of the following is NOT a function of cholesterol mentioned in the text?
Where is cholesterol primarily synthesized de novo in the body?
Where is cholesterol primarily synthesized de novo in the body?
What is the primary source of cholesterol for non-hepatic cells?
What is the primary source of cholesterol for non-hepatic cells?
Which regulatory mechanism inactivates HMG-CoA reductase due to dietary cholesterol?
Which regulatory mechanism inactivates HMG-CoA reductase due to dietary cholesterol?
What provides the reducing equivalents for the synthesis of cholesterol?
What provides the reducing equivalents for the synthesis of cholesterol?
Why can't humans metabolize the cholesterol ring structure to carbon dioxide and water?
Why can't humans metabolize the cholesterol ring structure to carbon dioxide and water?
What happens to the intact steroid nucleus in the body?
What happens to the intact steroid nucleus in the body?
What is the term used to refer to a high blood cholesterol level?
What is the term used to refer to a high blood cholesterol level?
What can happen if excess cholesterol is not managed?
What can happen if excess cholesterol is not managed?
What causes some people to suffer from hypercholesterolemia at a young age?
What causes some people to suffer from hypercholesterolemia at a young age?
How can hypercholesterolemia often be prevented?
How can hypercholesterolemia often be prevented?
When diet and exercise fail to reduce cholesterol levels, what may be recommended?
When diet and exercise fail to reduce cholesterol levels, what may be recommended?
