Question 1

A strong correlation exists between the development of colon cancer and diets:

Accepted Answer

A) high in fish. 
B) high in grains and cereals. 
C) with moderate amounts of alcohol. 
D) high in animal fats. 
A) high in fish. 
B) high in grains and cereals. 
C) with moderate amounts of alcohol. 
D) high in animal fats.

Question 2

Epidemiologists compared heart disease and cancer rates from 2 different communities.One community had significantly lower rates of heart disease,colon cancer and breast cancer than the other.After eliminating many risk factors associated with these diseases,the researchers believe that the high incidence of heart disease and cancers may in part be due to dietary practices.As a follow-up,researchers would like to conduct interviews to evaluate dietary practices within each community.What dietary practices would you investigate and why?

Accepted Answer

The dietary practices that researchers w

Question 3

A fatty acid with only single bonds between carbon atoms is called a(n)________ fatty acid.

Accepted Answer

A) saturated 
B) unsaturated 
C) hydrophobic 
D) hydrophilic 
A) saturated 
B) unsaturated 
C) hydrophobic 
D) hydrophilic

Question 4

An omega-6 fatty acid is an example of a(n):

Accepted Answer

A) saturated fatty acid. 
B) trans fatty acid formed by hydrogenation. 
C) unsaturated fatty acid. 
D) a fatty acid found in tropical oils. 
A) saturated fatty acid. 
B) trans fatty acid formed by hydrogenation. 
C) unsaturated fatty acid. 
D) a fatty acid found in tropical oils.

Question 5

The physical characteristics,texture and taste of fatty acids are determined by:

Accepted Answer

A) the length of the fatty acid chain and the types of bonds between the carbon atoms. 
B) the number of acid groups. 
C) the extent of digestion in the body. 
D) the number of fatty acid chains bound to each glycerol molecule. 
A) the length of the fatty acid chain and the types of bonds between the carbon atoms. 
B) the number of acid groups. 
C) the extent of digestion in the body. 
D) the number of fatty acid chains bound to each glycerol molecule.

Question 6

Which of the following lipoproteins contains the highest percentage of cholesterol?

Accepted Answer

A) Chylomicrons 
B) Low-density lipoproteins 
C) High-density lipoproteins 
D) Very-low density lipoproteins 
A) Chylomicrons 
B) Low-density lipoproteins 
C) High-density lipoproteins 
D) Very-low density lipoproteins

Question 7

Trans fatty acids are most abundant in foods that contain:

Accepted Answer

A) animal products. 
B) tropical oils. 
C) partially hydrogenated oils. 
D) omega-3 and omega-6 fatty acids. 
A) animal products. 
B) tropical oils. 
C) partially hydrogenated oils. 
D) omega-3 and omega-6 fatty acids.

Question 8

Explain what happens after lipids are digested and absorbed into the intestinal cell.

Accepted Answer

After lipids are digested and absorbed i

Question 9

Chylomicrons:

Accepted Answer

A) transport lipids,from the food we eat into the body. 
B) are absorbed into the lymphatic system. 
C) are formed by the intestinal mucosal cell. 
D) All of these statements are true. 
A) transport lipids,from the food we eat into the body. 
B) are absorbed into the lymphatic system. 
C) are formed by the intestinal mucosal cell. 
D) All of these statements are true.

Question 10

Dietary sources of cholesterol include all of the following EXCEPT:

Accepted Answer

A) meat. 
B) eggs. 
C) fish. 
D) peanut butter. 
A) meat. 
B) eggs. 
C) fish. 
D) peanut butter.

Question 11

The function of bile in triglyceride digestion is:

Accepted Answer

A) to hydrolyze (split)the bond that attaches fatty acids to glycerol. 
B) to break fat into small globules. 
C) facilitate the formation of chylomicrons. 
D) to bind and transport lipids in the blood. 
A) to hydrolyze (split)the bond that attaches fatty acids to glycerol. 
B) to break fat into small globules. 
C) facilitate the formation of chylomicrons. 
D) to bind and transport lipids in the blood.

Question 12

Most fatty acids in food and in the body are bound to a molecule called:

Accepted Answer

A) cholesterol. 
B) phospholipids. 
C) lecithin. 
D) glycerol. 
A) cholesterol. 
B) phospholipids. 
C) lecithin. 
D) glycerol.

Question 13

The oxidation of LDLs:

Accepted Answer

A) recruits macrophages with scavenger receptors to the site. 
B) increases inflammation. 
C) results in the formation of foam cells. 
D) All of these statements are true. 
A) recruits macrophages with scavenger receptors to the site. 
B) increases inflammation. 
C) results in the formation of foam cells. 
D) All of these statements are true.

Question 14

Which of the following diets provides approximately 18% of the total Calories (kcal)from fat?

Accepted Answer

A) 41 grams of fat; 2,385 kcal 
B) 67 grams of fat; 3,268 kcal 
C) 36 grams of fat; 1,154 kcal 
D) 17 grams of fat; 2,392 kcal 
A) 41 grams of fat; 2,385 kcal 
B) 67 grams of fat; 3,268 kcal 
C) 36 grams of fat; 1,154 kcal 
D) 17 grams of fat; 2,392 kcal

Question 15

Foods consisting mostly of fatty acids with only single bonds tend to be:

Accepted Answer

A) solid at room temperature. 
B) soluble in water. 
C) liquid at room temperature. 
D) less stable than fatty acids with double bonds. 
A) solid at room temperature. 
B) soluble in water. 
C) liquid at room temperature. 
D) less stable than fatty acids with double bonds.

Question 16

The anti-inflammatory effects of omega-3 fats are beneficial in regards to:

Accepted Answer

A) heart disease. 
B) rheumatoid arthritis. 
C) multiple sclerosis. 
D) All of these choices are correct. 
A) heart disease. 
B) rheumatoid arthritis. 
C) multiple sclerosis. 
D) All of these choices are correct.

Question 17

Which of the following is required for cells to take up low-density lipoproteins?

Accepted Answer

A) Lipoprotein lipase 
B) Homocysteine 
C) LDL receptors 
D) Insulin 
A) Lipoprotein lipase 
B) Homocysteine 
C) LDL receptors 
D) Insulin

Question 18

The end of a fatty acid chain containing a methyl group is also referred to as the __________ end.

Accepted Answer

A) omega 
B) alpha 
C) delta 
D) acid 
A) omega 
B) alpha 
C) delta 
D) acid

Question 19

Hormone sensitive lipase:

Accepted Answer

A) is activated during periods of fasting . 
B) is needed to deposit fatty acids into adipose tissue. 
C) is needed for phosphoglyceride digestion. 
D) is required for lipid digestion by cells lining blood vessels. 
A) is activated during periods of fasting . 
B) is needed to deposit fatty acids into adipose tissue. 
C) is needed for phosphoglyceride digestion. 
D) is required for lipid digestion by cells lining blood vessels.

Question 20

Which of the following is FALSE about eating a healthy diet?

Accepted Answer

A) It is essential for most people to reduce total fat consumption by 25-50%. 
B) A healthy diet is low in saturated fat from meat and dairy. 
C) A healthy diet is low in processed fats like shortenings. 
D) Healthy diets include fats from fish,nuts and olive oil. 
A) It is essential for most people to reduce total fat consumption by 25-50%. 
B) A healthy diet is low in saturated fat from meat and dairy. 
C) A healthy diet is low in processed fats like shortenings. 
D) Healthy diets include fats from fish,nuts and olive oil.

Exam 5: Lipids: Triglycerides, Phospholipids, and Cholesterol

A strong correlation exists between the development of colon cancer and diets:

A fatty acid with only single bonds between carbon atoms is called a(n)________ fatty acid.

An omega-6 fatty acid is an example of a(n):

The physical characteristics,texture and taste of fatty acids are determined by:

Which of the following lipoproteins contains the highest percentage of cholesterol?

Trans fatty acids are most abundant in foods that contain:

Explain what happens after lipids are digested and absorbed into the intestinal cell.

Chylomicrons:

Dietary sources of cholesterol include all of the following EXCEPT:

The function of bile in triglyceride digestion is:

Most fatty acids in food and in the body are bound to a molecule called:

The oxidation of LDLs:

Which of the following diets provides approximately 18% of the total Calories (kcal)from fat?

Foods consisting mostly of fatty acids with only single bonds tend to be:

The anti-inflammatory effects of omega-3 fats are beneficial in regards to:

Which of the following is required for cells to take up low-density lipoproteins?

The end of a fatty acid chain containing a methyl group is also referred to as the __________ end.

Hormone sensitive lipase:

Which of the following is FALSE about eating a healthy diet?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fiber

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Minerals

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: The Adult Years

Food Safety

World Hunger and Malnutrition

Focus on Alcohol

Focus on Eating Disorders

Focus on Phytochemicals

Focus on Nonvitaminnonmineral Supplements

Focus on Biotechnology

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