Question 1

Which of the following is a good source of essential fatty acids?

Accepted Answer

A)  Walnuts
B)  Coconut oil
C)  Beef
D)  Milk

Question 2

Fatty acids are categorized based on the carbon chain length as well as:

Accepted Answer

A)  the number of sulfur-containing groups.
B)  their solubility in water.
C)  the types and locations of bonds between the carbons.
D)  the number of acid groups in the fatty acid chain.

Question 3

Which of the following most accurately describes the chemical structure of a fatty acid?

Accepted Answer

A)  A three carbon molecule bound to nitrogen.
B)  A carbon chain bound to a phosphate group.
C)  A multiple ring structure with a sugar group attached.
D)  A chain of carbon atoms linked together by chemical bonds.

Question 4

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

Accepted Answer

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

Question 5

Omega-3 and omega-6 fatty acids are examples of:

Accepted Answer

A)  polyunsaturated fatty acids.
B)  saturated fatty acids.
C)  hydrogenated fats.
D)  phospholipids.

Question 6

Explain why lipoproteins are necessary for lipid transport.

Accepted Answer

Lipids are not water soluble.Lipoprotein...

Question 7

Which statement is true about hamburger that is labeled 80% lean?

Accepted Answer

A)  80% of the kcalories are from protein and 20% are from fat
B)  This is the leanest ground beef that can be purchased.
C)  20% of the weight of the meat is fat
D)  80% of the kcalories are from fat

Question 8

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.

Question 9

Women tend to develop heart disease later than men because:

Accepted Answer

A)  women have lower levels of HDLs compared to men.
B)  women tend to consume more trans fatty acids than men.
C)  the hormone estrogen has a protective effect in women before menopause.
D)  women have a greater density of blood vessels than men which helps blood to circulate more efficiently.

Question 10

Which of the following is characteristic of atherosclerosis?

Accepted Answer

A)  Oxidation of LDL particles
B)  Inflammation of the lining of the colon
C)  High HDL levels
D)  Production of chylomicrons by cells lining the blood vessels

Question 11

Dietary sources of cholesterol include all of the following EXCEPT:

Accepted Answer

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

Question 12

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.

Question 13

Foods containing fat replacers:

Accepted Answer

A)  provide less fat and kcalories.
B)  cause fat soluble vitamins to be poorly absorbed.
C)  are not necessarily nutrient dense.
D)  All of these choices are correct

Question 14

A reduced fat food that contains a fat replacer consisting of millions of microscopic balls that slide over each other to give the creamy texture of fats is:

Accepted Answer

A)  a carbohydrate-based fat replacer.
B)  a protein-based fat replacer.
C)  mucilage.
D)  olestra.

Question 15

Immune cells within the lining of blood vessels have _____________ receptors which mediate the uptake of oxidized LDL cholesterol.

Accepted Answer

A)  LDL
B)  scavenger
C)  foam
D)  insulin

Question 16

What is the most likely reason that high fat diets contribute to weight gain and obesity?

Accepted Answer

A)  Fat provides more kcals per gram than carbohydrate or protein.
B)  Fat does not provide as much satiety as carbohydrate.
C)  The conversion of dietary fat to stored fat is very efficient.
D)  All of these contribute.

Question 17

When needed for a source of energy,fatty acids are broken down into:

Accepted Answer

A)  pyruvate.
B)  acetyl CoA.
C)  glucose.
D)  chylomicrons.

Question 18

Which of the following organs is able to manufacture cholesterol?

Accepted Answer

A)  Liver.
B)  Pancreas.
C)  Gallbladder.
D)  All of these organs manufacture cholesterol.

Question 19

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.

Question 20

Phospholipids consist of glycerol with __________ attached.

Accepted Answer

A)  three fatty acids
B)  three amino acids
C)  two fatty acids and a phosphate group
D)  two fatty acids and lecithin

Exam 5: Lipids

Immune cells within the lining of blood vessels have _____________ receptors which mediate the uptake of oxidized LDL cholesterol.

Correct AnswerverifiedShow Answer

Fatty acids are categorized based on the carbon chain length as well as:

Correct AnswerverifiedShow Answer

Explain why lipoproteins are necessary for lipid transport.

Correct AnswerverifiedLipids are not water soluble.Lipoprotein...View AnswerShow Answer

Dietary sources of cholesterol include all of the following EXCEPT:

Correct AnswerverifiedShow Answer

The primary function of lipoprotein lipase is to:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When needed for a source of energy,fatty acids are broken down into:

Correct AnswerverifiedShow Answer

Phospholipids consist of glycerol with __________ attached.

Correct AnswerverifiedShow Answer

Foods containing fat replacers:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which statement is true about hamburger that is labeled 80% lean?

Correct AnswerverifiedShow Answer

Which of the following organs is able to manufacture cholesterol?

Correct AnswerverifiedShow Answer

Omega-3 and omega-6 fatty acids are examples of:

Correct AnswerverifiedShow Answer

Which of the following is a good source of essential fatty acids?

Correct AnswerverifiedShow Answer

Women tend to develop heart disease later than men because:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is characteristic of atherosclerosis?

Correct AnswerverifiedShow Answer

Which of the following most accurately describes the chemical structure of a fatty acid?

Correct AnswerverifiedShow Answer

What is the most likely reason that high fat diets contribute to weight gain and obesity?

Correct AnswerverifiedShow Answer

A reduced fat food that contains a fat replacer consisting of millions of microscopic balls that slide over each other to give the creamy texture of fats is:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Lipids are not water soluble.Lipoprotein...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified