Question 1

A strong correlation exists between an increased risk of colon cancer and what type of diet?

Accepted Answer

A)  high in fish.
B)  high in grains and cereals.
C)  moderate amounts of alcohol.
D)  high in animal fats.E) None of the above
F) All of the above

Question 2

Most fatty acids in food and in the body are bound to what molecule?

Accepted Answer

A)  cholesterol.
B)  phospholipids.
C)  lecithin.
D)  glycerol.E) B) and D)
F) A) and D)

Question 3

In what type of fatty acid do you find hydrogen atoms on the same side of the double bond,resulting in a bend in the molecular structure?

Accepted Answer

A)  cis
B)  trans
C)  essential
D)  nonessentialE) A) and D)
F) B) and C)

Question 4

Which describe the AMDR for fat intake?

Accepted Answer

A)  It is constant throughout the life cycle.
B)  It is highest during adolescence.
C)  It is highest for 1-3 year olds.
D)  It increases over the life cycle.E) A) and B)
F) None of the above

Question 5

What are the precursors of eicosanoid formation?

Accepted Answer

A)  cholesterol.
B)  lecithin.
C)  omega-3 and omega-6 fatty acids.
D)  trans fatty acids.E) B) and D)
F) B) and C)

Question 6

It has been calculated that the deaths of 3,000 Canadians annually from cardiovascular disease would be prevented if the amount of trans fats in the Canadian food supply could be reduced to what % of total energy.

Accepted Answer

A)  1%
B)  5%
C)  8%
D)  10%E) B) and C)
F) A) and D) A

Question 7

What best characterizes atherosclerosis?

Accepted Answer

A)  an accumulation of plaque in the lining of blood vessels.
B)  an inflammation of the colon lining.
C)  the formation of uric acid crystals in the blood.
D)  the formation of pouches in the lining of the colon.E) A) and B)
F) None of the above

Question 8

Which of the following is used as an emulsifier in foods?

Accepted Answer

A)  lecithin
B)  trans fatty acids
C)  arachidonic acid
D)  tropical oilsE) B) and D)
F) A) and C)

Question 9

Which is the best replacement for saturated fat in the diet?

Accepted Answer

A)  Refined carbohydrates
B)  High glycemic index foods
C)  Unsaturated fatty acids
D)  Low glycemic index foods.E) A) and C)
F) B) and C)

Question 10

Which is a characteristic of eicosanoids?

Accepted Answer

A)  hormone-like compounds.
B)  synthesized from omega-3 and omega-6 fatty acids.
C)  needed to regulate many body processes.
D)  All of the above answer choices are correct.E) B) and C)
F) A) and B)

Question 11

Which of the following facilitate the absorption of fat?

Accepted Answer

A)  micelles
B)  cis fatty acids
C)  trans fatty acids
D)  acetyl CoA moleculesE) All of the above
F) A) and B) A

Question 12

What is the main constituent of adipose tissue?

Accepted Answer

A)  micelles.
B)  triglycerides.
C)  eicosanoids.
D)  cholesterol.E) B) and C)
F) A) and B)

Question 13

Explain the steps of lipid digestion.

Accepted Answer

Lipid digestion begins with the action o...

Question 14

What is the function of bile in the digestion of triglycerides?

Accepted Answer

A)  to hydrolyze (split) the bond that attaches fatty acids to glycerol.
B)  to act as an emulsifier.
C)  to facilitate the formation of chylomicrons.
D)  to circulate lipids in the blood.E) None of the above
F) B) and D)

Question 15

Which statement best distinguishes between chylomicrons and VLDLs?

Accepted Answer

A)  Chylomicrons are formed in the small intestine and from there enter the lymphatic system;VLDLs are formed in the liver and from there enter the lymphatic system.
B)  Chylomicrons are formed in the large intestine and from there enter the circulatory system;On VLDLs are formed in the liver and from there enter the lymphatic system.
C)  Chylomicrons are formed in the small intestine and from there enter the lymphatic system;VLDLs are formed in the liver and from there enter the blood stream.
D)  Chylomicrons are formed in the small intestine and from there enter the lymphatic system;VLDLs are formed in the gall bladder and from there enter the blood stream.E) A) and B)
F) A) and D) C

Question 16

Which statement best describes the relationship between VLDL,IDL,and LDL?

Accepted Answer

A)  VLDLs are rich in triglycerides,but when acted on by lipoprotein lipase,they are converted into IDLs,which in turn are converted into cholesterol-rich LDLs.
B)  VLDLs are rich in triglycerides,but when acted on by pancreatic lipase,they are converted into IDLs,which in turn are converted into cholesterol-rich LDLs.
C)  VLDLs are rich in triglycerides,but when acted on by lipoprotein lipase,they are converted into LDLs,which in turn are converted into cholesterol-rich IDLs,which are returned to the liver.
D)  VLDLs are rich in cholesterol,but when acted on by lipoprotein lipase,they are converted into IDL,which in turn are converted into triglyceride-rich LDLs,which are returned to the liver.E) A) and B)
F) None of the above

Question 17

Trans fatty acids are most abundant in what food product?

Accepted Answer

A)  animal products.
B)  canola oil
C)  partially hydrogenated oils.
D)  tub margarineE) None of the above
F) C) and D)

Question 18

What happens when excess energy is ingested?

Accepted Answer

A)  It is excreted in the urine.
B)  It is converted into triglycerides and stored in adipose tissue.
C)  It is converted into cholesterol and stored in adipose tissue.
D)  It is metabolized by the muscles and stored as ATP.E) B) and C)
F) C) and D)

Question 19

Which of the following is an example of a tropical oil?

Accepted Answer

A)  palm kernel oil
B)  soybean oil
C)  olive oil
D)  corn oilE) B) and D)
F) B) and C)

Question 20

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

Accepted Answer

Hydrogen atoms are added to the double b...

Exam 5: Lipids

A strong correlation exists between an increased risk of colon cancer and what type of diet?

Correct AnswerverifiedShow Answer

Most fatty acids in food and in the body are bound to what molecule?

Correct AnswerverifiedShow Answer

In what type of fatty acid do you find hydrogen atoms on the same side of the double bond,resulting in a bend in the molecular structure?

Correct AnswerverifiedShow Answer

Which describe the AMDR for fat intake?

Correct AnswerverifiedShow Answer

What are the precursors of eicosanoid formation?

Correct AnswerverifiedShow Answer

It has been calculated that the deaths of 3,000 Canadians annually from cardiovascular disease would be prevented if the amount of trans fats in the Canadian food supply could be reduced to what % of total energy.

Correct AnswerverifiedA

What best characterizes atherosclerosis?

Correct AnswerverifiedShow Answer

Which of the following is used as an emulsifier in foods?

Correct AnswerverifiedShow Answer

Which is the best replacement for saturated fat in the diet?

Correct AnswerverifiedShow Answer

Which is a characteristic of eicosanoids?

Correct AnswerverifiedShow Answer

Which of the following facilitate the absorption of fat?

Correct AnswerverifiedA

What is the main constituent of adipose tissue?

Correct AnswerverifiedShow Answer

Explain the steps of lipid digestion.

Correct AnswerverifiedLipid digestion begins with the action o...View AnswerShow Answer

What is the function of bile in the digestion of triglycerides?

Correct AnswerverifiedShow Answer

Which statement best distinguishes between chylomicrons and VLDLs?

Correct AnswerverifiedC

Which statement best describes the relationship between VLDL,IDL,and LDL?

Correct AnswerverifiedShow Answer

Trans fatty acids are most abundant in what food product?

Correct AnswerverifiedShow Answer

What happens when excess energy is ingested?

Correct AnswerverifiedShow Answer

Which of the following is an example of a tropical oil?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedHydrogen atoms are added to the double b...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
Lipid digestion begins with the action o...
View Answer

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Hydrogen atoms are added to the double b...
View Answer