Question 1

Most experts agree that dietary cholesterol intake should be limited to _______mg per day.

Accepted Answer

A)  200
B)  300
C)  400
D)  500

Question 2

Which of the following is a risk factor for heart disease?

Accepted Answer

A)  Total blood cholesterol level greater than 200 mg/dl
B)  LDL level lower than 100 mg/dl
C)  Vigorous physical activity
D)  HDL level greater than 60 mg/dl

Question 3

A diet designed to reduce elevated serum LDL cholesterol levels ________.

Accepted Answer

A)  is low in saturated fats
B)  is reduced in dietary cholesterol
C)  provides adequate amounts of soluble fiber
D)  All of these choices are correct

Question 4

Phospholipids consist of ________.

Accepted Answer

A)  two fatty acids
B)  cholesterol
C)  glycerol and phosphate
D)  A and B
E)  A and C

Question 5

Which of the following lipoproteins contains the highest proportion of protein?

Accepted Answer

A)  LDL
B)  VLDL
C)  HDL
D)  chylomicrons

Question 6

Individuals with bleeding disorders taking anticoagulants or scheduling surgery should be cautious about which supplement?

Accepted Answer

A)  Omega 6 fatty acids
B)  Omega 9 fatty acids
C)  Omega 3 fatty acids
D)   None of these

Question 7

According to guidelines from the American Heart Association for the general population, saturated fats ________.

Accepted Answer

A)  should constitute no more than 7% of total energy in the diet
B)  are quite visible in foods, so they should be eliminated from the diet to reduce risk of heart disease
C)  are only a health risk if they come from a food that has been fried
D)  are only a health risk if they come from gravies, desserts, and dairy products

Question 8

What is the role of bile acids in the digestion of lipids?

Accepted Answer

Bile acids play a crucial role in the di...

Question 9

The main difference between fats and oils is that fats are ________.

Accepted Answer

A)  liquid at room temperature
B)  solid at room temperature
C)  structures containing only saturated fatty acids
D)  structures with equal proportions of unsaturated and saturated fatty acids

Question 10

Which of the following correctly characterizes lipids?

Accepted Answer

A)  They do not dissolve in water.
B)  They contain carbon, hydrogen, and nitrogen.
C)  They dissolve in water.
D)  They are all classified as sterols.

Question 11

How do the plant stanols found in some margarines lower cholesterol?

Accepted Answer

Plant stanols, also known as phytosterol...

Question 12

Which of the following lipids is a precursor for estrogen and bile?

Accepted Answer

A)  Cholesterol
B)  Alpha linoleic acid
C)  Ecosinoids
D)  Saturated fat

Question 13

Lingual lipase breaks down ________.

Accepted Answer

A)  triglycerides
B)  proteins
C)  carbohydrates
D)  None of these choices are correct

Question 14

Margarine is usually made by a process called ________, in which hydrogen atoms are added to double covalent bonds in the polyunsaturated fatty acids found in vegetable oils.

Accepted Answer

A)  saturation
B)  isomerization
C)  esterification
D)  hydrogenation

Question 15

Lecithin is classified as a ________.

Accepted Answer

A)  triglyceride
B)  phospholipid
C)  sterol
D)  fatty acid

Question 16

Oxidized LDL in the blood is picked up by ________.

Accepted Answer

A)  B100 receptor
B)  scavenger pathway
C)  B48 receptor
D)  No cell can pick up oxidized LDL

Question 17

Compare and contrast the typical American diet to the Mediterranean diet.

Accepted Answer

The typical American diet is characteriz...

Question 18

Blockage of a major artery is caused by a blood clot.These clots may form when ________.

Accepted Answer

A)  cholesterol plaques build up in artery walls
B)  HDL invades artery walls
C)  the dietary intake of cholesterol is less than 200 mg per day
D)  LDL fails to remove cholesterol from artery walls

Question 19

LDL clearance in the plasma is mediated via the ______ receptor.

Accepted Answer

A)  B-48
B)  B-100
C)  CII
D)  A

Question 20

Which of the following fats and oils provides the most polyunsaturated fatty acids?

Accepted Answer

A)  olive oil
B)  butter
C)  soybean oil
D)  None of the choices are correct.

Exam 6: Lipids

How do the plant stanols found in some margarines lower cholesterol?

Correct AnswerAnswered by ExamLex AIPlant stanols, also known as phytosterol...View AnswerShow Answer

Margarine is usually made by a process called ________, in which hydrogen atoms are added to double covalent bonds in the polyunsaturated fatty acids found in vegetable oils.

Correct AnswerverifiedShow Answer

Which of the following lipids is a precursor for estrogen and bile?

Correct AnswerverifiedShow Answer

Which of the following correctly characterizes lipids?

Correct AnswerverifiedShow Answer

Which of the following fats and oils provides the most polyunsaturated fatty acids?

Correct AnswerverifiedShow Answer

LDL clearance in the plasma is mediated via the ______ receptor.

Correct AnswerverifiedShow Answer

Lecithin is classified as a ________.

Correct AnswerverifiedShow Answer

According to guidelines from the American Heart Association for the general population, saturated fats ________.

Correct AnswerverifiedShow Answer

Blockage of a major artery is caused by a blood clot.These clots may form when ________.

Correct AnswerverifiedShow Answer

Phospholipids consist of ________.

Correct AnswerverifiedShow Answer

Which of the following is a risk factor for heart disease?

Correct AnswerverifiedShow Answer

Lingual lipase breaks down ________.

Correct AnswerverifiedShow Answer

What is the role of bile acids in the digestion of lipids?

Correct AnswerAnswered by ExamLex AIBile acids play a crucial role in the di...View AnswerShow Answer

Oxidized LDL in the blood is picked up by ________.

Correct AnswerverifiedShow Answer

Most experts agree that dietary cholesterol intake should be limited to _______mg per day.

Correct AnswerverifiedShow Answer

The main difference between fats and oils is that fats are ________.

Correct AnswerverifiedShow Answer

Compare and contrast the typical American diet to the Mediterranean diet.

Correct AnswerAnswered by ExamLex AIThe typical American diet is characteriz...View AnswerShow Answer

A diet designed to reduce elevated serum LDL cholesterol levels ________.

Correct AnswerverifiedShow Answer

Which of the following lipoproteins contains the highest proportion of protein?

Correct AnswerverifiedShow Answer

Individuals with bleeding disorders taking anticoagulants or scheduling surgery should be cautious about which supplement?

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
Plant stanols, also known as phytosterol...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
Bile acids play a crucial role in the di...
View Answer

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The typical American diet is characteriz...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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