Question 1

Explain the steps of lipid digestion.

Accepted Answer

Lipid digestion begins with the action o

Question 2

Bile,vitamin D,and some hormones such as testosterone and estrogen are derived from:

Accepted Answer

A) essential fatty acids. 
B) cholesterol. 
C) trans fatty acids. 
D) phospholipids. 
A) essential fatty acids. 
B) cholesterol. 
C) trans fatty acids. 
D) phospholipids.

Question 3

Which of the following dietary practices does NOT help to protect a person from developing heart disease?

Accepted Answer

A) Consuming recommended amounts of dietary fiber. 
B) Adequate consumption of antioxidant nutrients. 
C) Substituting monounsaturated fats for saturated fats. 
D) A diet which substitutes beef for fish. 
A) Consuming recommended amounts of dietary fiber. 
B) Adequate consumption of antioxidant nutrients. 
C) Substituting monounsaturated fats for saturated fats. 
D) A diet which substitutes beef for fish.

Question 4

Essential fatty acids can be used by the body to synthesize:

Accepted Answer

A) eicosanoids. 
B) cholesterol. 
C) vitamin D. 
D) phosphoglycerides. 
A) eicosanoids. 
B) cholesterol. 
C) vitamin D. 
D) phosphoglycerides.

Question 5

Which of the following is used to make the lipid bilayer found in cell membranes in the body?

Accepted Answer

A) Saturated fatty acids. 
B) Phospholipids. 
C) Trans fatty acids. 
D) Eicosanoids. 
A) Saturated fatty acids. 
B) Phospholipids. 
C) Trans fatty acids. 
D) Eicosanoids.

Question 6

The primary function of lipoprotein lipase is to:

Accepted Answer

A) convert nonessential fatty acids into essential fatty acids. 
B) transport lipids through the blood. 
C) convert cis fatty acids into trans fatty acids. 
D) help clear triglycerides from circulating lipoproteins in the blood. 
A) convert nonessential fatty acids into essential fatty acids. 
B) transport lipids through the blood. 
C) convert cis fatty acids into trans fatty acids. 
D) help clear triglycerides from circulating lipoproteins in the blood.

Question 7

___________________ promotes the uptake of fatty acids and glycerol by cells to be used as fuel or for storage.

Accepted Answer

A) Lipoprotein lipase 
B) Lingual lipase 
C) Pancreatic lipase 
D) Glycerase 
A) Lipoprotein lipase 
B) Lingual lipase 
C) Pancreatic lipase 
D) Glycerase

Question 8

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 9

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.

Question 10

What is hydrogenation and why do food manufacturers use hydrogenated fats in food production?

Accepted Answer

Hydrogen atoms are added to the double b

Question 11

High levels of HDL in the blood are associated with:

Accepted Answer

A) improved immune function. 
B) a reduced risk of heart disease. 
C) increased risk of colon cancer. 
D) increased risk of breast and prostate cancer. 
A) improved immune function. 
B) a reduced risk of heart disease. 
C) increased risk of colon cancer. 
D) increased risk of breast and prostate cancer.

Question 12

How do the structures of unsaturated and saturated fatty acids differ?

Accepted Answer

Saturated fats have the maximum number o

Question 13

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 14

Fish oils are a good dietary source of:

Accepted Answer

A) emulsifiers. 
B) tropical oils. 
C) omega-3 fatty acids. 
D) trans fatty acids. 
A) emulsifiers. 
B) tropical oils. 
C) omega-3 fatty acids. 
D) trans fatty acids.

Question 15

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

Dietary practices that protect against c

Question 16

Which of the following is formed in the LUMEN of the small intestine during lipid digestion?

Accepted Answer

A) Micelles 
B) Cis fatty acids 
C) Chylomicrons 
D) LDL particles 
A) Micelles 
B) Cis fatty acids 
C) Chylomicrons 
D) LDL particles

Question 17

When energy is ingested in excess of needs,the excess:

Accepted Answer

A) is lost as heat. 
B) is converted into triglycerides and stored in adipose tissue. 
C) is converted into cholesterol and stored in the liver. 
D) is metabolized by the muscles and stored as ATP. 
A) is lost as heat. 
B) is converted into triglycerides and stored in adipose tissue. 
C) is converted into cholesterol and stored in the liver. 
D) is metabolized by the muscles and stored as ATP.

Question 18

Explain the events that cause the buildup of cholesterol and plaque formation in arterial walls.Why do antioxidant nutrients help slow this process?

Accepted Answer

1.The artery wall is damaged.Possible ca

Question 19

Which of the following health problems can increase a person's risk of developing heart disease?

Accepted Answer

A) Type 2 diabetes 
B) High blood pressure 
C) Obesity 
D) All of these increase the risk 
A) Type 2 diabetes 
B) High blood pressure 
C) Obesity 
D) All of these increase the risk

Question 20

Explain the function of pancreatic lipase,lipoprotein lipase and hormone sensitive lipase.

Accepted Answer

Pancreatic lipase breaks down triglyceri

Exam 5: Lipids: Triglycerides, phospholipids, and Cholesterol

Explain the steps of lipid digestion.

Bile,vitamin D,and some hormones such as testosterone and estrogen are derived from:

Which of the following dietary practices does NOT help to protect a person from developing heart disease?

Essential fatty acids can be used by the body to synthesize:

Which of the following is used to make the lipid bilayer found in cell membranes in the body?

The primary function of lipoprotein lipase is to:

___________________ promotes the uptake of fatty acids and glycerol by cells to be used as fuel or for storage.

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

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

What is hydrogenation and why do food manufacturers use hydrogenated fats in food production?

High levels of HDL in the blood are associated with:

How do the structures of unsaturated and saturated fatty acids differ?

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

Fish oils are a good dietary source of:

Which of the following is formed in the LUMEN of the small intestine during lipid digestion?

When energy is ingested in excess of needs,the excess:

Explain the events that cause the buildup of cholesterol and plaque formation in arterial walls.Why do antioxidant nutrients help slow this process?

Which of the following health problems can increase a person's risk of developing heart disease?

Explain the function of pancreatic lipase,lipoprotein lipase and hormone sensitive lipase.

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 Nonvitamin/Nonmineral Supplements

Focus on Biotechnology

Filters