Question 1

Which of the following is a fat-digesting enzyme secreted in the mouth?

Accepted Answer

A)   hydrophobic lipase
B)   gastric lipase
C)   lingual lipase
D)   proteases lipase
E)   ductal lipaseF) A) and B)
G) A) and C)

Question 2

About how much of the fat in cheese and sour cream is saturated?

Accepted Answer

A)   1/4
B)   1/3
C)   1/2
D)   2/3
E)   7/8F) None of the above
G) B) and E)

Question 3

The Seven Countries Study found that Mediterranean countries have low rates of heart disease because they consume more _________ in their diet.

Accepted Answer

A)   butter
B)   coconut oil
C)   olive oil
D)   chicken
E)   eggsF) A) and C)
G) A) and D)

Question 4

According to the DRI, what percentage of the daily energy intake should be provided by linoleic acid?

Accepted Answer

A)   0.6 to 1.2
B)   2 to 4.7
C)   5 to 10
D)   15.5 to 18
E)   20 to 35F) B) and C)
G) All of the above

Question 5

Which of the following structural features of fatty acids determines their susceptibility to spoilage by oxygen and therefore stability?

Accepted Answer

A)   chain length
B)   number of double bonds
C)   position of first saturated bond
D)   size of adjacent fatty acids on the triglyceride molecule
E)   temperature of the fatty acidF) C) and D)
G) All of the above

Question 6

Which of the following is representative of enterohepatic circulation?

Accepted Answer

A)   chylomicron conversion to LDLs and HDLs
B)   recycling of bile from the intestine to the liver
C)   hormonal control of digestive secretions
D)   liver secretion of eicosanoids that promote absorption of eicosanoid precursors
E)   hormonal control of pancreatic secretions.F) B) and C)
G) C) and D)

Question 7

According to the Mediterranean Diet Pyramid, how often should one eat fish and seafood?

Accepted Answer

A)   once a week
B)   at least twice a week
C)   only once a month
D)   no more than a few times a month
E)   neverF) B) and D)
G) C) and D)

Question 8

The term that refers to the results of blood tests that reveal a person's total cholesterol, triglycerides, and various lipoproteins is ________.

Accepted Answer

blood lipid profile

Question 9

Which statement about trans -fatty acids is FALSE?

Accepted Answer

A)   In nature, most double bonds are cis. Few are trans .
B)   Hydrogenation converts cis -fatty acids to trans -fatty acids.
C)   The conversion of cis -fatty acids to trans -fatty acids is inhibited by the presence of antioxidants.
D)   In the body, trans -fatty acids are metabolized more like saturated fats than unsaturated fats.
E)   The hydrogen atoms are located on opposite sides of the double bond.F) A) and C)
G) B) and D)

Question 10

Oleic acid is a monounsaturated fatty acid. Linoleic acid is a polyunsaturated fatty acid. They differ in their number of ________.

Accepted Answer

A)   amino acids
B)   double bonds
C)   saccharide units
D)   peptide linkages
E)   oxygen atomsF) A) and B)
G) C) and E)

Question 11

Which statement about the health effects of lipids is FALSE?

Accepted Answer

A)   Heart disease is the number one killer of adults in the United States.
B)   Smoking and alcohol consumption are stronger risk factors for cancer than is dietary fat.
C)   There is no clear relationship between dietary cholesterol and heart disease.
D)   Fat from milk or fish has not been implicated in cancer risk.
E)   Choosing fat-free foods is an effective strategy in cutting kcalories.F) B) and C)
G) D) and E)

Question 12

What are fat replacers? Are they safe?

Accepted Answer

Some foods are made with fat replacers-i...

Question 13

When the body is deprived of food, which enzyme hydrolyzes triglycerides so that their parts enter general circulation and are available to other cells?

Accepted Answer

A)   lipoprotein lipase
B)   adipose lipase
C)   lingual lipase
D)   hormone-sensitive lipase
E)   pancreatic lipaseF) A) and B)
G) C) and D)

Question 14

What is the simplest of the 18-carbon fatty acids?

Accepted Answer

A)   oleic acid
B)   stearic acid
C)   linolenic acid
D)   arachidonic acid
E)   linoleic acidF) A) and C)
G) B) and E)

Question 15

What is the main cause of cardiovascular disease?

Accepted Answer

A)   endocarditis
B)   aneurysm
C)   arrhythmias
D)   atherosclerosis
E)   cardiomyopathyF) All of the above
G) A) and B)

Question 16

What are chylomicrons?

Accepted Answer

A)   clusters of lipids and proteins used as transport vehicles from the intestines to the body
B)   tiny spheres of emulsified fat
C)   alcohols with three-carbon chains
D)   food additives
E)   nitrogen compounds found in foods and made in the bodyF) B) and D)
G) None of the above

Question 17

Cholesterol from outside the body is called ____________________ cholesterol.

Accepted Answer

The answer of Cholesterol from outside the body is called...

Question 18

Which of the following foods share the same space with meats on the Mediterranean Diet Pyramid?

Accepted Answer

A)   sweets
B)   cheese
C)   poultry
D)   legumes
E)   olive oilF) B) and E)
G) B) and C)

Question 19

Which fatty acid is missing two hydrogen atoms and has one double bond between carbons?

Accepted Answer

A)   monounsaturated fatty acid
B)   polyunsaturated fatty acid
C)   long-chain saturated fatty acid
D)   short-chain saturated fatty acid
E)   triglyceridesF) B) and C)
G) D) and E) A

Question 20

Which is NOT a potential side effect of high intakes of omega-3 polyunsaturated fatty acids?

Accepted Answer

A)   increased bleeding time
B)   rapid heartbeat
C)   interference in wound healing
D)   higher LDL cholesterol
E)   suppressed immune functionsF) C) and E)
G) None of the above B

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

Which of the following is a fat-digesting enzyme secreted in the mouth?

Correct AnswerverifiedShow Answer

About how much of the fat in cheese and sour cream is saturated?

Correct AnswerverifiedShow Answer

The Seven Countries Study found that Mediterranean countries have low rates of heart disease because they consume more _________ in their diet.

Correct AnswerverifiedShow Answer

According to the DRI, what percentage of the daily energy intake should be provided by linoleic acid?

Correct AnswerverifiedShow Answer

Which of the following structural features of fatty acids determines their susceptibility to spoilage by oxygen and therefore stability?

Correct AnswerverifiedShow Answer

Which of the following is representative of enterohepatic circulation?

Correct AnswerverifiedShow Answer

According to the Mediterranean Diet Pyramid, how often should one eat fish and seafood?

Correct AnswerverifiedShow Answer

The term that refers to the results of blood tests that reveal a person's total cholesterol, triglycerides, and various lipoproteins is ________.

Correct Answerverifiedblood lipid profile

Which statement about trans -fatty acids is FALSE?

Correct AnswerverifiedShow Answer

Oleic acid is a monounsaturated fatty acid. Linoleic acid is a polyunsaturated fatty acid. They differ in their number of ________.

Correct AnswerverifiedShow Answer

Which statement about the health effects of lipids is FALSE?

Correct AnswerverifiedShow Answer

What are fat replacers? Are they safe?

Correct AnswerverifiedSome foods are made with fat replacers-i...View AnswerShow Answer

When the body is deprived of food, which enzyme hydrolyzes triglycerides so that their parts enter general circulation and are available to other cells?

Correct AnswerverifiedShow Answer

What is the simplest of the 18-carbon fatty acids?

Correct AnswerverifiedShow Answer

What is the main cause of cardiovascular disease?

Correct AnswerverifiedShow Answer

What are chylomicrons?

Correct AnswerverifiedShow Answer

Cholesterol from outside the body is called ____________________ cholesterol.

Correct AnswerverifiedShow Answer

Which of the following foods share the same space with meats on the Mediterranean Diet Pyramid?

Correct AnswerverifiedShow Answer

Which fatty acid is missing two hydrogen atoms and has one double bond between carbons?

Correct AnswerverifiedA

Which is NOT a potential side effect of high intakes of omega-3 polyunsaturated fatty acids?

Correct AnswerverifiedB

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blood lipid profile

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Some foods are made with fat replacers-i...
View Answer

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A

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B