FACS 113 - Lipids

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Owen usually consumes about 3000 kcal/day. On average, his fat intake is approximately 80 g/day. Based on this information, which of the following statements describes Owen's diet?

Owen's fat intake is within the AMDR.

Which of the following foods is a good source of omega-3 fatty acids?

Flaxseeds

Which of the following lipoproteins contains the highest percentage of cholesterol?

LDL

Which of the following characteristics increases a person's risk of cardiovascular disease (CVD)?

Type 2 diabetes

Most lipids have ________ in their chemical structures.

fatty acids

Which of the following substances carries cholesterol away from tissues?

HDL

Which of the following characteristics or conditions increases a person's risk of cardiovascular disease (CVD)?

Hypertension

Maria usually consumes about 2000 kcal/day. On average, her fat intake is approximately 90 g/day. Based on this information, which of the following statements describes Maria's diet?

Maria's fat intake is higher than the AMDR.

A chylomicron is a type of ________.

lipoprotein

The risk of developing cardiovascular diseases can be reduce by doing which of the following? (Check all that apply) A) Participating in a daily exercise B) Increasing fiber intake C) Increasing refined carbohydrate intake D) Replacing saturated fats with monounsaturated fats in the diet

A, B, D

Which of the following fatty acids is an essential fatty acid?

Alpha-linolenic acid

Layla loves to cook, but she is concerned about the effects that certain dietary lipids may have on her health. She wants to prepare foods with fats that are naturally low in saturated fatty acids and high in polyunsaturated fatty acids. Based on this information, which of the following ingredients should she select?

Corn oil

Cocoa butter contains a low quantity of saturated fat.

False

Lipids include phospholipids, sterols, and amino acids.

False

A scientist has isolated a chemical compound that is partially soluble in water. The chemical helps keep water-soluble substances mixed with fats. When analyzing the composition of the chemical, the scientist determined that in addition to carbon, hydrogen, and oxygen, the compound contains nitrogen and phosphorus atoms. Based on this information, the compound is a(n) ________.

Phospholipid

Which of the following foods is a naturally rich source of polyunsaturated fatty acids?

Soybean oil

Lipids are soluble in organic solvents such as acetone but insoluble in water.

True

Plants cells and stanols have similar structure as cholesterol and interfere with cholesterol absorption.

True

Which of the following statements is true? a. The cholesterol carried by oxidized LDL is taken up by certain arterial cells and deposited in plaque. b. VLDLs transport most cholesterol in blood to the liver for deposit. c. All forms of LDL cholesterol are considered unhealthy because they increase the risk of diabetes. d. Hydrolyzed HDL is a toxic lipoprotein that contributes to cardiovascular disease.

a

Which of the following statements is true? a. A saturated fatty acid has one double bond within its hydrocarbon chain. b. Certain fish, such as salmon, are rich sources of omega-3 fatty acids. c. Trans fatty acids are naturally in many foods. d. The human body can convert simple carbohydrates into alpha-linolenic acid.

b

Don recorded his food intake for a week and then used a computerized dietary analysis program to analyze his diet record. According to the results of the analysis, his average daily saturated fat intake was 5% of total calories; his average daily unsaturated fat intake was 12% of total calories; and his average daily cholesterol intake was 350 mg. Based on this information, his total fat intake is ________ the Acceptable Macronutrient Distribution Range.

below

Victor is making cake batter. When he added corn oil, fat-free milk, baking powder, and salt together, the oil and milk separated into two layers. To make a mixture that does not separate into oily and watery components, Victor should add ________ and stir the ingredients together.

egg yolks

Layla has a high risk of cardiovascular disease, because of her family history and ________.

high blood levels of LDL cholesterol

A scientist has isolated a fatty acid that has 26 carbons. Most of the carbon atoms in the fatty acid chain are connected by single bonds, except there is a double bond between the number 3 and 4 carbons as well as the number 9 and 10 carbons. The only other elements in the compound are hydrogen and oxygen. Based on this information, the compound is a ________ fatty acid.

polyunsaturated

Cholecystokinin (CCK) is a hormone that ________.

stimulates the gallbladder to secrete bile into the small intestine


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