Which Of The Following Statements Regarding Lipoproteins Is True
Which of the following statements regarding lipoproteins is TRUE? a) Low-density lipoproteins are formed in the small intestines to transport absorbed dietary lipids. b) Plaque is a build-up of lipoproteins in the bloodstream. c) As the very low-density lipoproteins deposit triglycerides in the cells, they become denser and are d) classified as low-density lipoproteins . e) The enzyme lingual lipase is responsible for removing triglycerides transported by the LDL.
Cholesterol Is An Important Structural Component Of Cell Membranes
cookies are very helpful in keeping track of users in developing online shopping cart applications, personalized portals and in advertising on web sites. A.peanut butter b.eggs c.whole milk d.ground beef. I think i got the right answer but one of the options i thought was false as well. Opponents who are hit by klee’s elemental skill, jumpty dumpty, will have their pyro res decreased. A good cholesterol ratio shows that the body is working properly and is healthy. You should never try to model the entire system in one diagram, no matter how. On the pc version, you can press left alt + 1/2/3/4 to switch to the corresponding character in your party and cast their elemental 54. Which of the following statements about klee is false? Sterols are found in both plant and animal foods. A well structured erd will show only some parts of the finished data model. When crafting furnishings, friends can assist each other. Which one of the following statements is false? Cholesterol is an important structural component of cell membranes.
You can attack the oceanid directly to deal dmg to it. While thunderbeast’s targe is active, normal and charged attacks release thunder. cookies are very helpful in keeping track of users in developing online shopping cart applications, personalized portals and in advertising on web sites. Which one of the following statements is false? Which of the following statements about colloids is false ?
Cholesterol: Take The Quiz
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Introduction And Epidemiology Of Atherosclerotic Cardiovascular Diseases
Atherosclerotic cardiovascular disease is the leading cause of death in developing countries and accounts for 25.7% of all deaths in the United States and 47% of deaths in Europe . It has been estimated that by 2030 ASCVD will account for approximately 23 million annual deaths worldwide, an increase of more than 5 million from current estimates .
2 . Approximately what percentage of Americans 20 years of age or older have total blood cholesterol levels in excess of 240 mg/dL?
| A) |
| 15% |
Cholesterol : An Introduction
How much do you know about cholesterol? Here are some common misconceptions and the reality behind them. High cholesterol can be inherited.
Cholesterol is a waxy substance. But too much cholesterol can pose a problem. Cholesterol comes from two sources. Your liver makes all the cholesterol you need. The remainder of the cholesterol in your body comes from foods derived from animals. For example, meat, poultry and full-fat dairy products all contain cholesterol, called dietary cholesterol.
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What Causes High Cholesterol
The most common cause of high cholesterol is an unhealthy lifestyle. This can include
- Unhealthy eating habits, such as eating lots of bad fats. One type, saturated fat, is found in some meats, dairy products, chocolate, baked goods, and deep-fried and processed foods. Another type, trans fat, is in some fried and processed foods. Eating these fats can raise your LDL cholesterol.
- Lack of physical activity, with lots of sitting and little exercise. This lowers your HDL cholesterol.
- Smoking, which lowers HDL cholesterol, especially in women. It also raises your LDL cholesterol.
Genetics may also cause people to have high cholesterol. For example, familial hypercholesterolemia is an inherited form of high cholesterol. Other medical conditions and certain medicines may also cause high cholesterol.
Myth: I Would Be Able To Feel It If I Had High Cholesterol
Fact: High cholesterol usually has no signs or symptoms. You may not know you have unhealthy cholesterol levels until it is too latewhen you have a heart attack or stroke. Thats why its so important to get your cholesterol levels checked at least every 5 years.1,2 Learn more about getting your cholesterol checked.
Occasionally, some people develop yellowish growths on their skin called xanthomas, which are cholesterol-rich deposits. People with xanthomas may have high cholesterol levels.
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Why Dietary Cholesterol Does Not Matter
Overview
High blood cholesterol levels are a known risk factor for heart disease.
For decades, people have been told that the dietary cholesterol in foods raises blood cholesterol levels and causes heart disease.
This idea may have been a rational conclusion based on the available science 50 years ago, but better, more recent evidence doesnt support it.
This article takes a close look at the current research on dietary cholesterol and the role it plays in blood cholesterol levels and heart disease.
Cholesterol Myths And Facts
Cholesterol can be confusing! Learn answers to common questions about blood cholesterol.
What do your cholesterol numbers mean? Can the foods you eat change your cholesterol levels?
Learn the difference between cholesterol myth and fact. Then commit to getting your cholesterol checked this year so you know your numbers and your risk for heart disease and stroke.
Commit to getting your cholesterol checked this year so you know your numbers and your risk for heart disease and stroke.
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An Overview Of Lipoproteins
Chylomicrons are large lipoproteins 751,200 nm in diameter that are very rich in lipids , mainly triglycerides and cholesterol , and have the lowest protein content of all lipoproteins. Chylomicrons are only synthesized in the intestine and are produced in large amounts during fat ingestion . In normolipidemic individuals they are present in the plasma for 3 to 6 hours after fat ingestion and are absent after 10 to 12 hours fasting .
10 . Increased LDL levels can result from
| A) | |
| a deficiency of thyroid hormones. | |
| C) | genetic mutations of either the LDL receptor or Apo B-100. |
| D) | All of the above |
In 2014 735 Million People Have High Cholesterol What Percentage Of Those People Are Getting Treatment To Lower Those Levels
Is it a) about 70% b) about 60% c) about 50% or d) about 40%?
According to the CDC, just a little less than half of adults with high LDL cholesterol are getting treatment. So, the correct answer is C. This is not good because people with high cholesterol are twice the risk for developing heart disease as those with ideal levels.
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How Much Fat Should Kids Get
Healthy fats are a vital part of a childs diet, and they should not be excessively limited or banned. For young kids, especially, fat and cholesterol play important roles in brain development. And for those under 2 years old, fat should not be restricted. Generally, kids should eat a varied diet with about one third of calories coming from fat.
This Problem Has Been Solved
Which of the following statements about cholesterol isFALSE?
A. With exposure to sunlight, the body can convertcholesterol into Vitamin D.
B. The primary role of cholesterol in the body is forenergy through oxidation.
C. Cholesterol is an important structural component of cellmembranes.
D. Cholesterol is a precursor molecule of importanthormones.
E. Cholesterol is a type of lipid.
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Fatty Acids Are Essential In Our Diet
Fatty acids are a component of dietary fats that are necessary for vital functions in our bodies. There are two essential polyunsaturated fatty acids omega-3 and omega-6. Essential means our bodies cannot create these fatty acids, so we must consume them in our diet. Omega-3 fatty acids are found in both plant and marine foods, although it is the omega-3 fatty acids from marine sources that have the strongest evidence for health benefits . Plant food sources include canola and soy oils, canola-based margarine and seeds. Marine sources include fish, especially oily fish . Omega-6 fatty acids are mainly found in nuts, seeds and plant oils .
Myth: Eating Foods With A Lot Of Cholesterol Will Not Make My Cholesterol Levels Go Up
Fact: It can be complicated. We know that foods with a lot of cholesterol usually also have a lot of saturated fat. Saturated fats can make your cholesterol numbers higher, so its best to choose foods that are lower in saturated fats. Foods made from animals, including red meat, butter, and cheese, have a lot of saturated fats.
Instead, aim to eat foods with plenty of fiber, such as oatmeal and beans, and healthy unsaturated fats, such as avocados, olive oil, and nuts. Learn more about healthy diets and nutrition at CDCs nutrition, physical activity, and obesity website.
Talk with your health care provider about ways to manage your cholesterol. Learn more about medicines to lower cholesterol.
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An Overview Of Lipids
Dietary lipids provide 30% to 40% of calories in Western diets. With the exception of the essential fatty acids , most lipids can also be synthesized by humans. Triglycerides, specifically, account for more than 95% of dietary lipid intake. Cholesterol from animal sources and small amounts of plant sterols comprise the majority of dietary lipid intake. Free fatty acids, phospholipids, and fat-soluble vitamins account for the remaining lipids from dietary sources .
8 . What is the main site of lipid transformation and absorption?
| A) |
| Large intestine |
How Are Fats Listed On Labels
When shopping for food and reading labels, remember that it’s easy to eat a portion that’s larger than the serving size on the label. A bag of corn chips might list 12 chips as a serving size, but kids often eat two or three times that amount. So be sure to pay attention to serving sizes.
When it comes to fat, food packages can say many things, such as fat-free, low-fat, reduced fat, and light . The government has strict rules about the use of two of these phrases. By law:
- fat-free foods can contain no more than 0.5 grams of fat per serving
- low-fat foods may contain 3 grams of fat or less per serving
Reduced-fat and light foods are a little trickier and you may need to do some supermarket math. Light and reduced-fat foods may still be high in fat.
- A light food must contain 50% less fat or one third fewer calories per serving than the regular version of that food.
- A reduced-fat food must contain 25% less fat per serving than the regular version.
But if the regular version of a particular food was high in fat to begin with, a reduction may not lower the fat content enough to make it a smart snacking choice. If the original version of a brand of peanut butter contains 16 grams of fat and the reduced fat version contains 12 grams, that’s still a lot of fat!
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Myth: I Dont Need Statins Or Other Medicines For My Cholesterol I Can Manage My Cholesterol With Diet And Exercise
Fact: Although many people can achieve good cholesterol levels by making healthy food choices and getting enough physical activity, some people may also need medicines called statins to lower their cholesterol levels. Guidelinesexternal icon also suggest that other medicines in addition to statins may be needed to help control cholesterol.2
People who may need statins or other medicines to manage cholesterol levels include the following:
- People with familial hypercholesterolemia or people with very high levels of bad cholesterol. FH is a genetic condition that causes very high LDL cholesterol levels beginning at a young age. If left untreated, cholesterol levels will continue to get worse. This greatly raises the risk for heart disease, heart attack, and stroke at a young age.
- People with cardiovascular disease . People with CVD may already have narrowed arteries because of too much plaque. Medicines that lower cholesterol may help reduce the risk for heart attack or stroke.
- People with diabetes.Type 2 diabetes lowers HDL or good cholesterol levels and raises bad cholesterol levels. This combination raises your risk of heart disease and stroke.
Other groups of people may also need medicines to manage their cholesterol, including people who have a high risk for CVD. Always talk to your health care provider about the best ways to manage your cholesterol.
Dietary Cholesterol Food Sources
Dietary cholesterol is a main steroid from animal tissues. The main food sources include egg yolk, shrimp, beef, and pork, poultry, as well as cheese and butter. According to NHANES data, the top five food sources of cholesterol in the American population are eggs, and mixed egg dishes, chicken, beef, and beef mixed dishes, burgers, and regular cheese . There are two main sources that contribute to and make up the liver cholesterol pool, namely dietary cholesterol , and de novo cholesterol which is synthesized in the liver or extra-hepatic tissue.
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Why Are Some Fats Healthy
Getting enough healthy fats is essential for growth and development. Young kids, in particular, need enough of them in their diet to help the brain and nervous system develop normally.
Besides supplying fuel for the body, fats:
- help the body absorb some vitamins
- are the building blocks of hormones
- insulate all nervous system tissues in the body
- help people feel full, so they’re less likely to overeat
Fat is a great source of energy, but does have twice the amount of calories as carbohydrates or protein. For example, 1 gram of fat provides 9 calories, whereas 1 gram of carbohydrates or protein provide 4 calories.
How Can I Lower My Cholesterol
You can lower your cholesterol through heart-healthy lifestyle changes. They include a heart-healthy eating plan, weight management, and regular physical activity.
If the lifestyle changes alone do not lower your cholesterol enough, you may also need to take medicines. There are several types of cholesterol-lowering drugs available, including statins. If you take medicines to lower your cholesterol, you still should continue with the lifestyle changes.
Some people with familial hypercholesterolemia may receive a treatment called lipoprotein apheresis. This treatment uses a filtering machine to remove LDL cholesterol from the blood. Then the machine returns the rest of the blood back to the person.
NIH: National Heart, Lung, and Blood Institute
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How Can I Keep Fats Under Control
Eating adequate amounts of fat is an important part of a healthy diet. But it’s true that many kids today eat too much fat, which might lead to unwanted weight gain. Kids who carry excess weight into adulthood have greater risk of heart disease, high blood pressure, and diabetes, among other things.
Here are some ways to keep fat intake within the recommended ranges:
- Serve foods that are naturally low in fat, such as fruits and vegetables, whole grains, lean meats and fish, and low-fat dairy products.
- Choose healthier, unsaturated fats when preparing meals and reduce the amount you use .
- When cooking meat, fish, or poultry, opt for broiling, grilling, or roasting . These methods allow the fat to drip away during cooking, which cuts down on calories too. Frying, on the other hand, adds fat. Remove skin from poultry.
- Beware of reduced-fat and low-fat claims. These products often have more sugar added and just as many calories.
- Pack school lunches and meals for family outings instead of going to fast-food restaurants or relying on your kids to make healthy choices in the school cafeteria.
- When dining out, help kids make balanced choices that don’t include large amounts of fat. For example, make a green salad part of the order and use low-fat dressing on the side. Encourage choosing mustard instead of mayonnaise on sandwiches. Choose baked, grilled, or steamed dishes rather than fried. Limit visits to fast-food restaurants.
Olive Oil And The Mediterranean Diet
Researchers are investigating the possibility that a diet rich in monounsaturated fats, , may be protective against the development of coronary heart disease. People who have a high consumption of monounsaturated fats from olive oil tend to have low rates of coronary heart disease, regardless of their body weight. Olive oil contains many compounds that are beneficial to human health, including omega-6 fatty acids, plant sterols and phenolic compounds, which seem to possess strong antioxidant properties. Because of these compounds, olive oil consumption may have a protective role against development of breast, colon, lung, ovarian and skin cancers. Several studies have also shown that olive oil may have additional beneficial effects on blood pressure, obesity, rheumatoid arthritis and immune function. However, the Mediterranean diet contains much more than olive oil. Its possible that the low rate of coronary heart disease in these countries relates to a high intake of vegetables, legumes, fruits and cereals, which are all rich in antioxidants and plant sterols. Choosing extra virgin olive oil as your main source of dietary fat, as well as eating a healthy and balanced diet high in fruits, vegetables, nuts, seeds, and whole grain breads and cereals, may reduce your risk of chronic disease development and increase your life expectancy.
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