The Ultimate How Cholesterol Works Quiz
Estimated Completion Time
Image: iStockphoto.comEduard HÃ¤rkÃ¶nen
About This Quiz
You hear about cholesterol all the time, but do you really know what cholesterol is and how it affects your health? Everyone should be educated on this topic, as poor cholesterol management can significantly impact overall health. Take this quiz to find out how much you really need to know.
What percentage of the American population has cholesterol within the “high” range?
One fifth of the American population has cholesterol within the “high” range. Cholesterol within the “high” range far exceeds recommended cholesterol levels.
Where is cholesterol found?
in food, blood and human cells
Cholesterol is in many foods, your bloodstream and in all your cells.
What does cholesterol look like?
thick and watery like milk
If you were to put a bunch of cholesterol together, it would look and feel like soft wax.
Cholesterol is essential for:
Cholesterol plays an important role in several essential bodily functions. It helps with the creation and maintenance of sex hormones and cell membranes, it helps with food digestion, and it helps with skin maintenance.
What major bodily organ produces cholesterol?
Cholesterol is primarily made by the liver, at about 1,000 milligrams per day. Cholesterol is also made by the cell lining of the small intestine and by other cells in the body.
How much cholesterol does our body need from food each day?
Our body produces sufficient cholesterol all on its own. We actually don't need any additional cholesterol from food for our body to function properly.
What percentage of your blood cholesterol is derived from food?
Only 15 percent of your blood cholesterol is from food. The other 85 percent of your blood cholesterol is produced by your body.
What is atherosclerosis?
another term for high cholesterol
plaque build up in blood vessels
Atherosclerosis is excess plaque build-up in the arteries, which can lead to blocked blood vessels. High cholesterol causes atherosclerosis.
What may happen when blood vessels become blocked with plaque?
When the coronary arteries in the heart become blocked, a heart attack may occur. Similarly, a blocked blood vessel in the brain may lead to a stroke.
What is the recommended daily intake of cholesterol?
The American Heart Association recommends limiting daily intake of cholesterol to 300 milligrams or less.
What are apoproteins?
They kill bad cholesterol.
They are carrier proteins for cholesterol.
Apoproteins are carrier molecules that are composed of protein. They help with the transportation of cholesterol in the body.
They help us digest cholesterol.
What are lipoproteins?
They kill bad cholesterol.
They kill good cholesterol.
A combination of apoproteins and cholesterol.
When apoproteins combine with cholesterol, they form a compound called lipoproteins.
Low-density lipoproteins are also referred to as _____________.
Low-density lipoproteins (LDL) are known as bad cholesterol, since higher levels of LDL particles cause health problems and cardiovascular disease.
What makes good cholesterol so good?
protects against heart attacks
Good cholesterol, also known as high-density lipoproteins (HDL), protects against artery blockage. Good cholesterol helps with removing excess cholesterol from arteries and transports it to the liver for disposal.
What are the consequences for the liver if there are high levels of LDL in the blood?
If a liver cell has an excess of cholesterol, it will begin reducing its number of LDL receptors. This results in increased amounts of LDL in the blood, since the LDL cannot enter the liver cells.
What is the function of very low-density lipoproteins?
They serve no function and are very harmful to the body.
They help with restoring liver function.
They deliver triglycerides to muscles and fatty tissue.
Very low-density lipoproteins deliver trigylcerides to the body's muscles and fatty tissue, at which point they are converted to low-density lipoprotiens.
LDL and HDL levels predict risk for heart attacks. Who is at risk?
Anyone with a blood cholesterol level of 275 or greater.
Anyone with low high-density lipoproteins.
Both high LDL levels and low HDL levels predict risk for heart attacks, because they contribute to plaque build up in the arteries.
What dietary habits place you at risk for high cholesterol levels?
eating foods such as hydrogenated vegetable oils and avocados
eating foods such as eggs and red meat
Eating foods that contain high levels of saturated fat, such as hydrogenated vegetable oils, as well as eating foods high in cholesterol, such as eggs, places you at risk for high cholesterol levels.
________ foods from animal origin contain cholesterol.
Keep in mind, though, that this does not mean plant-based foods are healthier, as some plant based foods have high saturated fat levels.
When are women most at risk for developing high cholesterol?
Decreased estrogen levels during menopause is believed to cause LDL levels to rise. Women, therefore, are at increased risk of developing high cholesterol during menopause.
Share on Facebook
Share on Facebook