Question 1

Essential fatty acids (EFAs)are precursors needed to produce which type of biological compounds?

Accepted Answer

A) enzymes 
B) eicosanoids 
C) cholesterols 
D) carbohydrates 
A) enzymes 
B) eicosanoids 
C) cholesterols 
D) carbohydrates

Question 2

Which type of lipid has as a ring structure?

Accepted Answer

A) trans fatty acids 
B) phospholipids 
C) sterols 
D) saturated fatty acids 
A) trans fatty acids 
B) phospholipids 
C) sterols 
D) saturated fatty acids

Question 3

Which essential fatty acid plays an important role in reducing a person's risk for heart disease?

Accepted Answer

A) cholesterol 
B) trans fatty acid 
C) alpha-linolenic acid 
D) linoleic acid 
A) cholesterol 
B) trans fatty acid 
C) alpha-linolenic acid 
D) linoleic acid

Question 4

A ________ fatty acid contains one double bond between carbons.

Accepted Answer

A) monounsaturated 
B) polyunsaturated 
C) saturated 
D) sterol 
A) monounsaturated 
B) polyunsaturated 
C) saturated 
D) sterol

Question 5

The Centers for Disease Control (CDC)and other health groups recommend that total daily intake of canola oil and other polyunsaturated fats make up no more than ________ of total energy intake in order to prevent or reduce the risk for heart disease.

Accepted Answer

A) 7% 
B) 10% 
C) 20% 
D) 35% 
A) 7% 
B) 10% 
C) 20% 
D) 35%

Question 6

A fatty acid comprised of a 16-carbon chain with no points of unsaturation is called a(n):

Accepted Answer

A) saturated,short-chain fatty acid. 
B) saturated,medium-chain fatty acid. 
C) saturated,long-chain fatty acid. 
D) unsaturated,long-chain fatty acid. 
A) saturated,short-chain fatty acid. 
B) saturated,medium-chain fatty acid. 
C) saturated,long-chain fatty acid. 
D) unsaturated,long-chain fatty acid.

Question 7

Why does a cis fatty acid have a kinked shape?

Accepted Answer

A) Its hydrogen atoms are attached on diagonally opposite sides of the double carbon bond. 
B) Both hydrogen atoms are located on the same sides of the double carbon bond. 
C) Every one of its carbon atoms is saturated with hydrogen. 
D) It has only one double carbon bond. 
A) Its hydrogen atoms are attached on diagonally opposite sides of the double carbon bond. 
B) Both hydrogen atoms are located on the same sides of the double carbon bond. 
C) Every one of its carbon atoms is saturated with hydrogen. 
D) It has only one double carbon bond.

Question 8

Which of the following triggers the breakdown of stored fat?

Accepted Answer

A) lipoprotein lipase 
B) epinephrine 
C) insulin 
D) estrogen 
A) lipoprotein lipase 
B) epinephrine 
C) insulin 
D) estrogen

Question 9

Where in the body are the majority of triglycerides stored for future energy needs?

Accepted Answer

A) lipoproteins 
B) beta cells of the pancreas 
C) liver 
D) adipose tissue 
A) lipoproteins 
B) beta cells of the pancreas 
C) liver 
D) adipose tissue

Question 10

What is the leading cause of death in the United States?

Accepted Answer

A) cancer 
B) heart disease 
C) diabetes 
D) infection 
A) cancer 
B) heart disease 
C) diabetes 
D) infection

Question 11

Dark green,leafy vegetables provide essential omega-3 fatty acids that help lower the risk for cardiovascular disease.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is/are a critical structural component of a cell's membrane?

Accepted Answer

A) estrogen 
B) glycerol 
C) phospholipids 
D) triglycerides 
A) estrogen 
B) glycerol 
C) phospholipids 
D) triglycerides

Question 13

How are high-density lipoproteins (HDLs)related to heart health?

Accepted Answer

A) HDLs increase inflammation,which restricts blood flow. 
B) HDLs release artery-clogging cholesterol into the blood. 
C) HDLs remove artery-clogging cholesterol from the blood. 
D) HDLs help bind cholesterol to the walls of blood vessels,restricting blood flow. 
A) HDLs increase inflammation,which restricts blood flow. 
B) HDLs release artery-clogging cholesterol into the blood. 
C) HDLs remove artery-clogging cholesterol from the blood. 
D) HDLs help bind cholesterol to the walls of blood vessels,restricting blood flow.

Question 14

What effect does exercise have on blood-cholesterol levels?

Accepted Answer

A) increases total triglycerides 
B) increases high-density lipoprotein (HDL)cholesterol 
C) lowers HDL-cholesterol 
D) increases low-density lipoprotein (LDL)cholesterol 
A) increases total triglycerides 
B) increases high-density lipoprotein (HDL)cholesterol 
C) lowers HDL-cholesterol 
D) increases low-density lipoprotein (LDL)cholesterol

Question 15

Lipids are a major fuel source when we are at rest.

Accepted Answer

A) True 
 B)False

Question 16

To facilitate the digestion of dietary fats,the gallbladder stores and releases:

Accepted Answer

A) lipase. 
B) bile. 
C) hydrochloric acid. 
D) bicarbonate. 
A) lipase. 
B) bile. 
C) hydrochloric acid. 
D) bicarbonate.

Question 17

Diets high in trans fatty acids are MOST associated with:

Accepted Answer

A) decreased cancer risk. 
B) increased blood cholesterol levels. 
C) osteoporosis. 
D) decreased blood glucose levels. 
A) decreased cancer risk. 
B) increased blood cholesterol levels. 
C) osteoporosis. 
D) decreased blood glucose levels.

Question 18

Diets high in plant foods will usually be lower in saturated fats than diets high in animal products.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following substances is classified as a lipid?

Accepted Answer

A) glycogens 
B) cholecystokinin (CCK) 
C) sterols 
D) phosphates 
A) glycogens 
B) cholecystokinin (CCK) 
C) sterols 
D) phosphates

Question 20

A fatty acid comprised of a 10-carbon chain and one double bond is characterized as a:

Accepted Answer

A) saturated,medium-chain fatty acid. 
B) saturated,long-chain fatty acid. 
C) monounsaturated,medium-chain fatty acid. 
D) monounsaturated,long-chain fatty acid. 
A) saturated,medium-chain fatty acid. 
B) saturated,long-chain fatty acid. 
C) monounsaturated,medium-chain fatty acid. 
D) monounsaturated,long-chain fatty acid.

Exam 6: Lipids: Essential Energy-Supplying Nutrients

Essential fatty acids (EFAs)are precursors needed to produce which type of biological compounds?

Which type of lipid has as a ring structure?

Which essential fatty acid plays an important role in reducing a person's risk for heart disease?

A ________ fatty acid contains one double bond between carbons.

The Centers for Disease Control (CDC)and other health groups recommend that total daily intake of canola oil and other polyunsaturated fats make up no more than ________ of total energy intake in order to prevent or reduce the risk for heart disease.

A fatty acid comprised of a 16-carbon chain with no points of unsaturation is called a(n):

Why does a cis fatty acid have a kinked shape?

Which of the following triggers the breakdown of stored fat?

Where in the body are the majority of triglycerides stored for future energy needs?

What is the leading cause of death in the United States?

Dark green,leafy vegetables provide essential omega-3 fatty acids that help lower the risk for cardiovascular disease.

Which of the following is/are a critical structural component of a cell's membrane?

How are high-density lipoproteins (HDLs)related to heart health?

What effect does exercise have on blood-cholesterol levels?

Lipids are a major fuel source when we are at rest.

To facilitate the digestion of dietary fats,the gallbladder stores and releases:

Diets high in trans fatty acids are MOST associated with:

Diets high in plant foods will usually be lower in saturated fats than diets high in animal products.

Which of the following substances is classified as a lipid?

A fatty acid comprised of a 10-carbon chain and one double bond is characterized as a:

The Science of Nutrition: Linking Food, function, and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

in Depth: Alcohol

Vitamins and Minerals: Micronutrients With Macro Powers

Phytochemicals

Disordered Eating

Proteins: Crucial Components of All Body Tissues

Metabolism: From Food to Life

Nutrients Involved in Energy Metabolism

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function and Vision

Nutrients Involved in Bone Health

Nutrients Involved in Blood Health and Immunity

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Consumer Issues: Food Safety, Production, and Impact on the Environment

Nutrition Through the Life Cycle: Pregnancy and the First Year of Life

Nutrition Through the Life Cycle: Childhood and Adolescence

Nutrition Through the Life Cycle: The Later Years

Global Nutrition

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