Question 1

Which of the following is descriptive of fatty acid configuration?

Accepted Answer

A)  A cis-fatty acid has an extended,linear formation
B)  A trans-fatty acid has a folded,U-shape formation
C)  Trans-fatty acids are made only from polyunsaturated fats
D)  Naturally occurring trans-fatty acids are found in dairy productsE) C) and D)
F) B) and C)

Question 2

Which of the following is a feature of cholesterol?

Accepted Answer

A)  Only about 10% of the body's total cholesterol is extracellular
B)  "Bad" cholesterol is a form of cholesterol found in plant foods
C)  "Good" cholesterol is a form of cholesterol found in plant foods
D)  Exogenous cholesterol absorption is reduced by lecithin supplementsE) A) and B)
F) A) and C)

Question 3

What term may be used to describe a substance that is hydrophobic?

Accepted Answer

A)  Lipophilic
B)  Lipophobic
C)  Glycerophilic
D)  GlycerophobicE) B) and D)
F) A) and B)

Question 4

The optimal omega-6 : omega-3 fat ratio

Accepted Answer

A)  has not been established by research.
B)  falls within the range of 4:1 to 10:1.
C)  has been proven to improve heart health.
D)  has not been studied in humans.E) All of the above
F) A) and B)

Question 5

For most adults,what is the recommended minimum amount of fat that should be consumed,as a percentage of total energy intake?

Accepted Answer

A)  5
B)  15
C)  20
D)  35E) A) and D)
F) None of the above

Question 6

Which of the following is NOT a feature of the bile acids?

Accepted Answer

A)  Stored in the gallbladder
B)  Synthesized from cholesterol
C)  Manufactured by the gallbladder
D)  Released into the small intestine whenever fat is presentE) A) and C)
F) A) and D)

Question 7

Which one of the following compounds is missing 4 or more hydrogen atoms?

Accepted Answer

A)  Monounsaturated fatty acid
B)  Polyunsaturated fatty acid
C)  Long-chain saturated fatty acid
D)  Short-chain saturated fatty acidE) A) and D)
F) All of the above

Question 8

Which of the following is known as a tropical oil?

Accepted Answer

A)  Coconut oil
B)  Flaxseed oil
C)  Safflower oil
D)  Conjugated linoleic acidE) A) and C)
F) B) and C)

Question 9

All of the following are rich sources of polyunsaturated fatty acids EXCEPT

Accepted Answer

A)  palm oil.
B)  fish oils.
C)  soybean oil.
D)  safflower oil.E) A) and D)
F) A) and B)

Question 10

After a meal,most of the fat that eventually empties into the blood is in the form of particles known as

Accepted Answer

A)  micelles.
B)  chylomicrons.
C)  low-density lipoproteins.
D)  very-low-density lipoproteins.E) A) and C)
F) B) and C)

Question 11

Which of the following sources of lipids should be substituted for saturated fats to help lower blood cholesterol levels?

Accepted Answer

A)  Butter
B)  Canola oil
C)  Coconut oil
D)  Stick margarineE) A) and B)
F) A) and C)

Question 12

Which of the following is used by the body to synthesize arachidonic acid?

Accepted Answer

A)  Oleic acid
B)  Linoleic acid
C)  Palmitic acid
D)  Linolenic acidE) All of the above
F) B) and D)

Question 13

Which of the following represents a chief source of short-chain and medium-chain fatty acids?

Accepted Answer

A)  Fish
B)  Eggs
C)  Dairy
D)  SoybeansE) A) and B)
F) A) and C)

Question 14

Which of the following does NOT describe a function of fat?

Accepted Answer

A)  Adds flavor to food
B)  Serves as a carrier of fat-soluble vitamins
C)  Is an essential constituent of body tissues
D)  Supplies up to 25% of the body's energy needs during restE) A) and C)
F) B) and D)

Question 15

Which of the following is NOT a feature of dairy products consumption?

Accepted Answer

A)  Fat-free milk contains no cholesterol
B)  Yogurt is known to lower blood cholesterol
C)  Fermented milk products raise the bacterial population in the colon
D)  Fat-free milk is lower in kcalories but also lower in protein and calcium than whole milkE) All of the above
F) B) and C)

Question 16

What part of the gastrointestinal tract is the predominant site of dietary fat hydrolysis?

Accepted Answer

A)  Mouth
B)  Stomach
C)  Small intestine
D)  Large intestineE) A) and B)
F) None of the above

Question 17

Lipids that are liquid at room temperature are known as

Accepted Answer

A)  oils.
B)  fats.
C)  omegas.
D)  glycerols.E) A) and C)
F) None of the above

Question 18

What tissue contains special receptors for removing low-density lipoproteins from the circulation?

Accepted Answer

A)  Liver
B)  Adipose
C)  Arterial walls
D)  Skeletal muscleE) B) and D)
F) B) and C)

Question 19

A meal providing 1200 kcalories contains 10 g of saturated fats,14 g of monounsaturated fats,and 20 g of polyunsaturated fats.What is the percentage of energy supplied by the lipids?

Accepted Answer

A)  22
B)  33
C)  44
D)  55E) All of the above
F) None of the above

Question 20

High intakes of omega-3 polyunsaturated fatty acids are known to increase the risk for all of the following EXCEPT

Accepted Answer

A)  poor wound healing.
B)  higher LDL cholesterol.
C)  suppressed immune function.
D)  inflammation of the pancreas.E) A) and B)
F) All of the above

Exam 5: The Lipids: Triglycerides, phospholipids, and Sterols

High intakes of omega-3 polyunsaturated fatty acids are known to increase the risk for all of the following EXCEPT

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What tissue contains special receptors for removing low-density lipoproteins from the circulation?

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After a meal,most of the fat that eventually empties into the blood is in the form of particles known as

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A meal providing 1200 kcalories contains 10 g of saturated fats,14 g of monounsaturated fats,and 20 g of polyunsaturated fats.What is the percentage of energy supplied by the lipids?

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For most adults,what is the recommended minimum amount of fat that should be consumed,as a percentage of total energy intake?

Correct AnswerverifiedShow Answer

Which of the following is a feature of cholesterol?

Correct AnswerverifiedShow Answer

Which one of the following compounds is missing 4 or more hydrogen atoms?

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Which of the following is used by the body to synthesize arachidonic acid?

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Which of the following is NOT a feature of the bile acids?

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All of the following are rich sources of polyunsaturated fatty acids EXCEPT

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What term may be used to describe a substance that is hydrophobic?

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What part of the gastrointestinal tract is the predominant site of dietary fat hydrolysis?

Correct AnswerverifiedShow Answer

The optimal omega-6 : omega-3 fat ratio

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Which of the following does NOT describe a function of fat?

Correct AnswerverifiedShow Answer

Which of the following is NOT a feature of dairy products consumption?

Correct AnswerverifiedShow Answer

Which of the following is descriptive of fatty acid configuration?

Correct AnswerverifiedShow Answer

Which of the following sources of lipids should be substituted for saturated fats to help lower blood cholesterol levels?

Correct AnswerverifiedShow Answer

Which of the following is known as a tropical oil?

Correct AnswerverifiedShow Answer

Which of the following represents a chief source of short-chain and medium-chain fatty acids?

Correct AnswerverifiedShow Answer

Lipids that are liquid at room temperature are known as

Correct AnswerverifiedShow Answer

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