Bio 103- Chapter 6

A chylomicron is a type of

A) lipoprotein.

In the body, lipids

C) provide energy.

Which of the following foods naturally contains cholesterol?

D) Chicken

Chronic alcohol abuse A) causes the heart to shrink. B) increases fat deposits in the abdominal region. C) lowers blood pressure. D) All of these are correct.

B) increases fat deposits in the abdominal region.

Chronic alcohol abuse increases the risk of

B) liver cancer.

A scientist has isolated a fatty acid that has 26 carbons bonded together. Most of the carbon atoms in the chain are connected by single bonds, but there is a double bond between the number 9 and 10 carbons in the chain. The only other elements in the compound are hydrogen and oxygen. Based on this information, the compound is a (an) _____ fatty acid.

B) monounsaturated

The body uses essential fatty acids to make

B) prostaglandins.

Solid fats generally have a high proportion of ____ fatty acids.

B) saturated

Chase is a 22-year-old college student. According to recommendations of the American Heart Association, fat should comprise _____% of his total energy intake each day.

C) 25 to 35

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

C) Corn oil

In the body, lipids

B) help maintain cell membranes.

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

D) The cholesterol carried by oxidized LDL is taken up by certain arterial cells and deposited in plaque.

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

A) Avocado

When he prepares food, Edgar wants to use ingredients that are not high in trans fat. Based on this information, which of the following fats should he include in his recipes?

A) Corn oil

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

A) Diabetes mellitus

_____ acid is an omega-3 fatty acid.

A) Docosahexaenoic

Which of the following substances carries cholesterol away from tissues?

A) LDL

Bill would like to follow recommendations that would reduce his risk of cardiovascular disease (CVD). Based on this information, Bill should

A) become more physically active

Chronic alcohol abuse

A) damages the heart muscle.

Compared to an unsaturated fatty acid, a trans fatty acid

A) is less likely to undergo oxidation.

In the body, lipids

A) provide insulation against cold temperatures.

Cholecystokinin (CCK) is a hormone that

A) stimulates the gallbladder to secrete bile into the small intestine.

_____ acid is an essential fatty acid.

B) Alpha-linolenic

_____ acid is an omega-3 fatty acid.

B) Eicosapentaenoic

Kevin's total blood cholesterol level is 170 mg/dl, and his ratio of total cholesterol to HDL cholesterol is 3.1. According to this information,

B) Kevin's total blood cholesterol level is within the healthy range.

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

B) LDL

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?

B) Maria's fat intake is higher than the AMDR.

Which of the following statements is true? A) Alcohol is stored in body fat. B) The pancreas is the primary site for alcohol metabolism. C) In the United States, a BAC of 0.08% is the legal limit for intoxication for adult drivers. D) Rapid heart rate is a sign of alcohol poisoning.

C) In the United States, a BAC of 0.08% is the legal limit for intoxication for adult drivers.

_____ acid is an essential fatty acid.

C) Linoleic

When she prepares food, Felicia wants to use a product that is a rich source of unsaturated fat. Based on this information, which of the following fats should she select?

C) Olive oil

Which of the following foods is a naturally rich source of saturated fat and cholesterol?

C) Whole milk

Carter wants to lower his blood cholesterol level. Based on this information, he should limit his intake of

C) butter and beef.

Most lipids have _____ in their chemical structures.

C) fatty acids

Lecithin is a type of

C) phospholipid.

A scientist has isolated a fatty acid that has 26 carbons bonded together. All of the carbon atoms in the chain are connected by single bonds. The only other elements in the compound are hydrogen and oxygen. Based on this information, the compound is a (an) _____ fatty acid.

C) saturated

Manny's blood alcohol concentration is 0.36. Based on this information, Manny is

C) unconscious.

Carlos has a family history of premature heart disease and stroke. To lower his risk of cardiovascular disease, Carlos should A) lose excess body weight. B) learn relaxation techniques to manage his emotional stress level. C) stop smoking cigarettes. D) All of these are correct.

D) All of these are correct.

Chronic alcohol abuse increases the risk of ____ cancer. A) pancreatic B) stomach C) colon D) All of these are correct.

D) All of these are correct.

When he prepares food, Nick wants to use a product that is a rich source of unsaturated fat. Based on this information, which of the following fats should he select?

D) Canola oil

Which of the following statements is true? A) Foods that contain cholesterol should be avoided because the substance is toxic to human cells. B) High levels of HDL cholesterol are associated with increased risk of heart disease. C) A diet that is high in saturated fat helps reduce high blood cholesterol levels. D) LDL transports cholesterol to tissues.

D) LDL transports cholesterol to tissues.

_____ acid is an omega-6 fatty acid.

D) Linoleic

Which of the following foods is not a source of omega-3 fatty acids? A) Flaxseeds B) Salmon C) Walnuts D) None of these is correct.

D) None of these is correct.

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.

D) polyunsaturated