Question 1

Renata eats a meal containing some fats. Within ________ hours after absorption, her body has removed the chylomicrons from her blood.

Accepted Answer

A)  2 
B)  5 
C)  14 
D)  18 
E)  24 
A)  2 
B)  5 
C)  14 
D)  18 
E)  24

Question 2

Which of the following is a potentially harmful source of lipids?

Accepted Answer

A)  walnuts 
B)  yeast 
C)  nondairy coffee creamer 
D)  olive oil-based vinaigrette 
E)  natural peanut butter 
A)  walnuts 
B)  yeast 
C)  nondairy coffee creamer 
D)  olive oil-based vinaigrette 
E)  natural peanut butter

Question 3

Briefly describe the chemistry of fatty acids, including the number and location of double bonds.

Accepted Answer

Like carbohydrates and proteins, lipids

Question 4

Briefly describe how dietary lipids are digested and absorbed.

Accepted Answer

Fat digestion starts off slowly in the m

Question 5

Which food source is rich in lecithin?

Accepted Answer

A)  eggs 
B)  salmon 
C)  hard cheeses 
D)  milk 
E)  legumes 
A)  eggs 
B)  salmon 
C)  hard cheeses 
D)  milk 
E)  legumes

Question 6

In comparison to a low-density lipoprotein, a high-density lipoprotein contains ____.

Accepted Answer

A)  more chylomicrons 
B)  more protein 
C)  more cholesterol 
D)  more carbohydrate 
E)  more triglyceride 
A)  more chylomicrons 
B)  more protein 
C)  more cholesterol 
D)  more carbohydrate 
E)  more triglyceride

Question 7

By definition, lipids that are solid at room temperature (77°F [25°C]) are called "________."

Accepted Answer

A)  oils 
B)  fats 
C)  omegas 
D)  glycerols 
E)  phospholipids 
A)  oils 
B)  fats 
C)  omegas 
D)  glycerols 
E)  phospholipids

Question 8

Which of these protein foods is the leanest?

Accepted Answer

A)  eggs 
B)  tofu 
C)  flounder 
D)  peanut butter 
E)  pork tenderloin 
A)  eggs 
B)  tofu 
C)  flounder 
D)  peanut butter 
E)  pork tenderloin

Question 9

Which statement about lipid digestion is FALSE?

Accepted Answer

A)  Gastric lipase is responsible for only a small amount of fat digestion. 
B)  When fat enters the small intestine, it triggers the release of CCK and bile. 
C)  Lingual lipase plays an active role in fat digestion in infants. 
D)  Lipid digestion begins in the mouth with the help of dextrin 
E)  Pancreatic lipase removes each of a triglyceride's fatty acids, leaving a monoglyceride. 
A)  Gastric lipase is responsible for only a small amount of fat digestion. 
B)  When fat enters the small intestine, it triggers the release of CCK and bile. 
C)  Lingual lipase plays an active role in fat digestion in infants. 
D)  Lipid digestion begins in the mouth with the help of dextrin 
E)  Pancreatic lipase removes each of a triglyceride's fatty acids, leaving a monoglyceride.

Question 10

A person who regularly consumes fish such as shark, king mackerel, and swordfish is at risk for ingesting potentially toxic amounts of ____.

Accepted Answer

A)  EPA 
B)  DHA 
C)  mercury 
D)  cadmium 
E)  dioxins 
A)  EPA 
B)  DHA 
C)  mercury 
D)  cadmium 
E)  dioxins

Question 11

According to the Mediterranean Diet Pyramid, how often should one eat meat?

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)  never 
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)  never

Question 12

Sucrose polyester is another name for _________.

Accepted Answer

A)  BHA 
B)  DHA 
C)  olestra 
D)  I fat 
E)  omega-3 fats 
A)  BHA 
B)  DHA 
C)  olestra 
D)  I fat 
E)  omega-3 fats

Question 13

Which of the following is a factor that determines the hardness of a fat at a given temperature?

Accepted Answer

A)  origin of the fat 
B)  degree of saturation 
C)  number of acid groups 
D)  number of oxygen atoms 
E)  number of sulfur atoms. 
A)  origin of the fat 
B)  degree of saturation 
C)  number of acid groups 
D)  number of oxygen atoms 
E)  number of sulfur atoms.

Question 14

The DRI suggests a diet that provides ________ of the daily energy intake from fat.

Accepted Answer

A)  less than 10% 
B)  10% to 20% 
C)  20% to 35% 
D)  40% to 50% 
E)  50% to 60% 
A)  less than 10% 
B)  10% to 20% 
C)  20% to 35% 
D)  40% to 50% 
E)  50% to 60%

Question 15

Discuss the roles and food sources of sterols.

Accepted Answer

Sterols are compounds containing a four-

Question 16

Which term describes the spherical complexes of emulsified fats that arise during digestion?

Accepted Answer

A)  micelles 
B)  chylomicrons 
C)  lipoproteins 
D)  eicosanoids 
E)  adiponectin 
A)  micelles 
B)  chylomicrons 
C)  lipoproteins 
D)  eicosanoids 
E)  adiponectin

Question 17

What are the basic features of the Mediterranean diet? What health benefits might it provide?

Accepted Answer

The links between good health and tradit

Question 18

A high risk of heart disease correlates with high blood levels of

Accepted Answer

A)  free fatty acids. 
B)  high-density lipoproteins. 
C)  low-density lipoproteins. 
D)  very high-density lipoproteins. 
E)  high levels of omega- 3 fatty acids. 
A)  free fatty acids. 
B)  high-density lipoproteins. 
C)  low-density lipoproteins. 
D)  very high-density lipoproteins. 
E)  high levels of omega- 3 fatty acids.

Question 19

Lipoproteins that derive from VLDL and transport lipids, primarily cholesterol, in the blood are called "________."

Accepted Answer

low-densit

Question 20

Which of the following is a source of trans- fats, a potentially harmful lipid?

Accepted Answer

A)  mayonnaise 
B)  bacon 
C)  refrigerated biscuits 
D)  milk 
E)  peanut oil 
A)  mayonnaise 
B)  bacon 
C)  refrigerated biscuits 
D)  milk 
E)  peanut oil

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

Renata eats a meal containing some fats. Within ________ hours after absorption, her body has removed the chylomicrons from her blood.

Which of the following is a potentially harmful source of lipids?

Briefly describe the chemistry of fatty acids, including the number and location of double bonds.

Briefly describe how dietary lipids are digested and absorbed.

Which food source is rich in lecithin?

In comparison to a low-density lipoprotein, a high-density lipoprotein contains ____.

By definition, lipids that are solid at room temperature (77°F [25°C]) are called "________."

Which of these protein foods is the leanest?

Which statement about lipid digestion is FALSE?

A person who regularly consumes fish such as shark, king mackerel, and swordfish is at risk for ingesting potentially toxic amounts of ____.

According to the Mediterranean Diet Pyramid, how often should one eat meat?

Sucrose polyester is another name for _________.

Which of the following is a factor that determines the hardness of a fat at a given temperature?

The DRI suggests a diet that provides ________ of the daily energy intake from fat.

Discuss the roles and food sources of sterols.

Which term describes the spherical complexes of emulsified fats that arise during digestion?

What are the basic features of the Mediterranean diet? What health benefits might it provide?

A high risk of heart disease correlates with high blood levels of

Lipoproteins that derive from VLDL and transport lipids, primarily cholesterol, in the blood are called "________."

Which of the following is a source of trans- fats, a potentially harmful lipid?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugar, Starches, and Fibers

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, Obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, D, E, and K

Water and the Major Minerals

The Trace Minerals

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

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