Question 1

Match each of the following terms with its description.
-Omega-6 fatty acid

Accepted Answer

A)  An unsaturated fatty acid with its first carbon-carbon double bond at the third carbon atom from the methyl end
B)  An unsaturated fatty acid with its first carbon-carbon double bond at the sixth carbon atom from the methyl end
C)  Fatty acid with two or more carbon-carbon double bonds
D)  Fatty acid with no carbon-carbon double bonds
E)  Three fatty acids attached to a glycerol backboneF) Two fatty acids attached to a glycerol backboneG) Fatty acid with one carbon-carbon double bondH) One fatty acid attached to a glycerol backboneI) Unsaturated fatty acid with hydrogen atoms on opposite sides of a carbon-carbon double bondJ) Unsaturated fatty acid with hydrogen atoms on the same side of a carbon-carbon double bondK) H) and J)
L) A) and E)

Question 2

Which of the following is a food source of cholesterol?

Accepted Answer

A)   Safflower oil
B)   Stick margarine
C)   Shortening
D)   LardE) None of the above
F) B) and C)

Question 3

The three-carbon structure that forms the "backbone" of a triglyceride is called

Accepted Answer

A)   glycerol.
B)   glucose.
C)   lipoprotein.
D)   sterol.E) B) and C)
F) A) and B)

Question 4

A saturated fatty acid contains

Accepted Answer

A)   no double bonds.
B)   one double bond.
C)   2 to 12 double bonds.
D)   14 to 24 double bonds.E) A) and D)
F) A) and C)

Question 5

Match each of the following terms with its description.
-Triglyceride

Accepted Answer

A)  An unsaturated fatty acid with its first carbon-carbon double bond at the third carbon atom from the methyl end
B)  An unsaturated fatty acid with its first carbon-carbon double bond at the sixth carbon atom from the methyl end
C)  Fatty acid with two or more carbon-carbon double bonds
D)  Fatty acid with no carbon-carbon double bonds
E)  Three fatty acids attached to a glycerol backboneF) Two fatty acids attached to a glycerol backboneG) Fatty acid with one carbon-carbon double bondH) One fatty acid attached to a glycerol backboneI) Unsaturated fatty acid with hydrogen atoms on opposite sides of a carbon-carbon double bondJ) Unsaturated fatty acid with hydrogen atoms on the same side of a carbon-carbon double bondK) F) and J)
L) H) and J)

Question 6

After dietary fats are digested, the small intestinal cells absorb a mixture of

Accepted Answer

A)   diglycerides and fatty acids.
B)   monoglycerides and diglycerides.
C)   monoglycerides and fatty acids.
D)   monoglycerides, diglycerides, and triglycerides.E) A) and B)
F) A) and C)

Question 7

After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are

Accepted Answer

A)   converted to proteins.
B)   converted to glucose.
C)   reformed into triglycerides.
D)   converted to cholesterol.E) A) and D)
F) B) and C)

Question 8

Match each of the following terms with its description.
-Diglyceride

Accepted Answer

A)  An unsaturated fatty acid with its first carbon-carbon double bond at the third carbon atom from the methyl end
B)  An unsaturated fatty acid with its first carbon-carbon double bond at the sixth carbon atom from the methyl end
C)  Fatty acid with two or more carbon-carbon double bonds
D)  Fatty acid with no carbon-carbon double bonds
E)  Three fatty acids attached to a glycerol backboneF) Two fatty acids attached to a glycerol backboneG) Fatty acid with one carbon-carbon double bondH) One fatty acid attached to a glycerol backboneI) Unsaturated fatty acid with hydrogen atoms on opposite sides of a carbon-carbon double bondJ) Unsaturated fatty acid with hydrogen atoms on the same side of a carbon-carbon double bondK) D) and J)
L) A) and C)

Question 9

Linoleic acid, an omega-6 fatty acid, is converted by the body into

Accepted Answer

A)   arachidonic acid.
B)   oleic acid.
C)   palmitic acid.
D)   alpha-linolenic acid.E) A) and B)
F) All of the above

Question 10

Which of the following lipase enzymes digests the majority of dietary fat?

Accepted Answer

A)   Pancreatic lipase
B)   Lingual lipase
C)   Gastric lipaseD) None of the above
E) A) and C)

Question 11

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

Accepted Answer

A)   Broccoli
B)   Sirloin steak
C)   Salmon
D)   Chicken breastE) C) and D)
F) None of the above

Question 12

Which lipoprotein is responsible for picking up cholesterol from dying cells and other sources so it can be transported back to the liver for excretion?

Accepted Answer

A)   Chylomicron
B)   Low-density lipoprotein
C)   Very-low-density lipoprotein
D)   High-density lipoproteinE) A) and B)
F) C) and D)

Question 13

The body stores excess protein as

Accepted Answer

A)   muscle tissue.
B)   glycogen.
C)   triglycerides.
D)   bone marrow.E) C) and D)
F) None of the above

Question 14

Match each of the following terms with its description.
-VLDL

Accepted Answer

A)  Lipoprotein that picks up cholesterol from dying cells and other sources and transfers it to other lipoproteins, as well as directly to the liver
B)  Lipoprotein that carries cholesterol and lipids newly synthesized by the liver
C)  Lipoprotein made in the intestine after fat absorption
D)  Product of VLDL metabolism that contains primarily cholesterolE) All of the above
F) A) and D)

Question 15

Which of the following is true about the fate of fatty acids after their absorption?

Accepted Answer

A)   Fatty acids of 16 or more carbons enter the blood and then the liver via the hepatic portal vein.
B)   Fatty acids of less than 12 carbons enter the lymphatic system packaged in chylomicrons.
C)   Fatty acids of less than 12 carbons enter the blood and then the liver via the hepatic portal vein.
D)   Fatty acids of 16 or more carbons enter the lymphatic system directly and then enter the blood via the aorta.E) All of the above
F) B) and C)

Question 16

Match each of the following terms with its description.
-Omega-3 fatty acid

Accepted Answer

A)  An unsaturated fatty acid with its first carbon-carbon double bond at the third carbon atom from the methyl end
B)  An unsaturated fatty acid with its first carbon-carbon double bond at the sixth carbon atom from the methyl end
C)  Fatty acid with two or more carbon-carbon double bonds
D)  Fatty acid with no carbon-carbon double bonds
E)  Three fatty acids attached to a glycerol backboneF) Two fatty acids attached to a glycerol backboneG) Fatty acid with one carbon-carbon double bondH) One fatty acid attached to a glycerol backboneI) Unsaturated fatty acid with hydrogen atoms on opposite sides of a carbon-carbon double bondJ) Unsaturated fatty acid with hydrogen atoms on the same side of a carbon-carbon double bondK) C) and E)
L) All of the above

Question 17

Of the macronutrients, fats are the most significant dietary factor(s)  associated with

Accepted Answer

A)   diabetes.
B)   stomach ulcers.
C)   heart disease.
D)   lung cancer.E) A) and B)
F) C) and D)

Question 18

The major function of adipose tissue is to

Accepted Answer

A)   store glycogen.
B)   store triglycerides.
C)   synthesize protein for muscle.
D)   synthesize cholesterol.E) None of the above
F) All of the above

Question 19

In adipose tissue, humans can store a nearly limitless supply of energy in the form of

Accepted Answer

A)   glycogen.
B)   triglycerides.
C)   amino acids.
D)   phospholipids.E) C) and D)
F) All of the above

Question 20

Which of the following foods is cholesterol free?

Accepted Answer

A)   Butter
B)   Whole milk
C)   Turkey (light meat) 
D)   Peanut butterE) A) and C)
F) B) and D)

Exam 5: Lipids

The three-carbon structure that forms the "backbone" of a triglyceride is called

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Which of the following foods is cholesterol free?

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Match each of the following terms with its description. -VLDL

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

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Linoleic acid, an omega-6 fatty acid, is converted by the body into

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Match each of the following terms with its description. -Omega-3 fatty acid

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Which of the following is a food source of cholesterol?

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After dietary fats are digested, the small intestinal cells absorb a mixture of

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After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are

Correct AnswerverifiedShow Answer

Of the macronutrients, fats are the most significant dietary factor(s) associated with

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Which lipoprotein is responsible for picking up cholesterol from dying cells and other sources so it can be transported back to the liver for excretion?

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In adipose tissue, humans can store a nearly limitless supply of energy in the form of

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A saturated fatty acid contains

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Match each of the following terms with its description. -Omega-6 fatty acid

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The major function of adipose tissue is to

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Match each of the following terms with its description. -Diglyceride

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The body stores excess protein as

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Which of the following lipase enzymes digests the majority of dietary fat?

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Match each of the following terms with its description. -Triglyceride

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Which of the following is true about the fate of fatty acids after their absorption?

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