Question 1

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. 
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 2

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

Question 3

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

Question 4

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 
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 5

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 6

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 
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 7

Explain why lipoproteins are necessary for lipid transport.

Accepted Answer

Lipids are not water soluble.Lipoprotein

Question 8

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 9

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

Accepted Answer

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

Question 10

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 11

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

Question 12

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 
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 13

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

Accepted Answer

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

Question 14

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

Question 15

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 16

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. 
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 17

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. 
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 18

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. 
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 19

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 20

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

Exam 5: Lipids

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

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:

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

Which of the following is characteristic of atherosclerosis?

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

Foods containing fat replacers:

Explain why lipoproteins are necessary for lipid transport.

Dietary sources of cholesterol include all of the following EXCEPT:

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

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

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

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

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

Phospholipids consist of glycerol with __________ attached.

The primary function of lipoprotein lipase is to:

Women tend to develop heart disease later than men because:

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

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

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

Which of the following organs is able to manufacture cholesterol?

Nutrition: Food for Health

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

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 Elements

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 Biotechnology

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Supplements

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