Question 1

The American Heart Association recommends a saturated fat intake of ____ of total calories.

Accepted Answer

The American Heart Association recommends that saturated fat intake should be limited to 5-6 percent of total daily calories to help reduce the risk of heart disease.

Question 2

Which type of lipoprotein transports newly digested fat from the intestine through the lymph and blood?

Accepted Answer

Chylomicrons are lipoproteins that transport newly digested fats from the intestine through the lymphatic system and into the bloodstream.

Question 3

Vitamin C and vitamin E are natural antioxidants.

Accepted Answer

Vitamin C and vitamin E are both known for their antioxidant properties, which help protect cells from damage caused by free radicals.

Question 4

What lipid is an essential fatty acid?

Accepted Answer

Linoleic acid is an essential fatty acid, meaning that the body cannot produce it on its own and must obtain it from food.

Question 5

What fat replacer is a noncaloric artificial fat made from fatty acids and sucrose?

Accepted Answer

Olestra is a noncaloric artificial fat made from fatty acids and sucrose, used as a fat substitute in some food products.

Question 6

Prior to menopause, estrogen may protect women from cardiovascular disease.

Accepted Answer

Estrogen has been shown to have a protective effect on the cardiovascular system by reducing inflammation, promoting vasodilation, and improving lipid profiles. However, after menopause, when estrogen levels decline, women have an increased risk of developing cardiovascular disease.

Question 7

Moderate drinking, defined as no more than one drink a day for most women, and no more than two drinks a day for most men, is associated with higher HDL levels.

Accepted Answer

Studies have shown that moderate drinking can increase HDL (good cholesterol) levels. However, excessive alcohol consumption can lead to a decrease in HDL levels and increase the risk of other health problems. It's important to drink in moderation and talk to a healthcare provider about individual alcohol intake recommendations.

Question 8

Which statement best describes a function of c holesterol?

Accepted Answer

Cholesterol is a crucial component of cell membranes, particularly in brain and nerve cells, where it helps maintain structural integrity and fluidity.

Question 9

To adhere to dietary recommendations of both the American Heart Association and Dietary Guidelines for Americans , cholesterol intake in persons at high risk for heart disease or diabetes should be below _____ milligrams per day

Accepted Answer

The American Heart Association and Dietary Guidelines for Americans recommend that individuals at high risk for heart disease or diabetes should limit their cholesterol intake to below 200 milligrams per day to help manage and reduce the risk of cardiovascular issues.

Question 10

Which oil is highest in saturated fats?

Accepted Answer

Coconut oil is the highest in saturated fats among the given options.

Question 11

Which substance makes up 95 percent of the lipids in foods and in the human body?

Accepted Answer

Triglycerides are the most common type of lipid found in both foods and the human body, making up about 95% of lipids.

Question 12

The health benefits of olive oil are primarily due to its lower calorie content than other oils.

Accepted Answer

While olive oil is lower in saturated fats and high in healthy monounsaturated fats, its health benefits stem from a variety of factors, including its anti-inflammatory properties, high levels of antioxidants, ability to improve heart health, and potential to reduce the risk of certain diseases such as cancer and type 2 diabetes.

Question 13

Fat provides the optimal form of energy for the brain.

Accepted Answer

The brain primarily relies on glucose as its main source of energy, not fat.

Question 14

What fat replacer was the first to gain the approval of the Food and Drug Administration (FDA) ?

Accepted Answer

Simplesse was the first fat replacer to gain FDA approval in 1990. It is made from microparticulated proteins and is used in low-calorie foods.

Question 15

One pound of body fat provides _____ calories.

Accepted Answer

One pound of body fat provides approximately 3,500 calories. This means that in order to burn one pound of fat, you need to create a calorie deficit of 3,500 through a combination of diet and exercise.

Question 16

Linolenic acid is one of the fatty acids synthesized by the human body.

Accepted Answer

While linolenic acid is an essential fatty acid, meaning it is necessary for health and must be obtained through the diet, it is not synthesized by the human body.

Question 17

Lecithin is often used as a food additive to keep the fats evenly dispersed with the other ingredients.

Accepted Answer

Lecithin is commonly used as an emulsifier in food products to keep fats and oils evenly distributed with other ingredients.

Question 18

Fats provide _____ by _____.

Accepted Answer

Fats provide satiety by slowing stomach emptying.

Question 19

A high-fiber diet is typically high in dietary cholesterol.

Accepted Answer

A high-fiber diet is typically based on whole grains, fruits, vegetables, and legumes, which are all low in dietary cholesterol. In fact, a high-fiber diet can help lower cholesterol levels.

Question 20

One of the functions of fat is storing genetic information.

Accepted Answer

Fat primarily serves as an energy reserve, provides insulation, and protects organs, but it does not store genetic information; that is the role of DNA in cells.

Quiz 5: The Lipids Fats and Oils