Question 1

Which of the following is a major component of saliva?

Accepted Answer

A)  α-amylase 
B)  β-amylase 
C)  debranching enzyme 
D)  none of these 
A)  α-amylase 
B)  β-amylase 
C)  debranching enzyme 
D)  none of these

Question 2

The heat energy in a pound of body fat is 3500 Calories. If a woman's diet has an average caloric intake of 2500 Cal/day, by what percentage must this be reduced if she wishes to lose 10 pounds in 30 days? [Assume that her level of physical activity remains the same during the 30 days as it was before dieting began.]

Accepted Answer

A)  7.1% 
B)  14.2% 
C)  46.7% 
D)  53.3% 
A)  7.1% 
B)  14.2% 
C)  46.7% 
D)  53.3%

Question 3

Which of the following correctly describes how bottled water and water in public drinking systems are purified?

Accepted Answer

A)  They are usually both purified using chlorine. 
B)  They are usually both purified using ozone. 
C)  Bottled water is usually purified using chlorine, but public drinking systems are usually purified using ozone. 
D)  Bottled water is usually purified using ozone, but public drinking systems are usually purified using chlorine. 
A)  They are usually both purified using chlorine. 
B)  They are usually both purified using ozone. 
C)  Bottled water is usually purified using chlorine, but public drinking systems are usually purified using ozone. 
D)  Bottled water is usually purified using ozone, but public drinking systems are usually purified using chlorine.

Question 4

Deficiency of which mineral is associated with goiter?

Accepted Answer

A)  copper 
B)  iodine 
C)  iron 
D)  zinc 
A)  copper 
B)  iodine 
C)  iron 
D)  zinc

Question 5

Which of the following is not true?

Accepted Answer

A)  The body can convert protein to fat. 
B)  The body can store proteins. 
C)  Protein must be consumed on a regular basis. 
D)  None, these are all true. 
A)  The body can convert protein to fat. 
B)  The body can store proteins. 
C)  Protein must be consumed on a regular basis. 
D)  None, these are all true.

Question 6

Which of the following amino acids is missing from gelatin?

Accepted Answer

A)  lysine 
B)  tryptophan 
C)  valine 
D)  None, gelatin is a complete protein. 
A)  lysine 
B)  tryptophan 
C)  valine 
D)  None, gelatin is a complete protein.

Question 7

Approximately what percentage of the human diet should be protein?

Accepted Answer

A)  10% 
B)  20% 
C)  50% 
D)  70% 
A)  10% 
B)  20% 
C)  50% 
D)  70%

Question 8

Deficiency of which mineral is associated with anemia?

Accepted Answer

A)  cobalt 
B)  copper 
C)  iron 
D)  zinc 
A)  cobalt 
B)  copper 
C)  iron 
D)  zinc

Question 9

How do α-amylase and β-amylase differ in their functions?

Accepted Answer

A)  They do not differ, they are two different enzymes which perform the same function. 
B)  α-amylase hydrolyzes α(1 → 6) glycosidic bonds, but β-amylase hydrolyzes β(1 → 4) glycosidic bonds. 
C)  α-amylase hydrolyzes α(1 → 6) glycosidic bonds at in an orderly way, but β-amylase hydrolyzes α(1 → 4) glycosidic bonds at random. 
D)  α-amylase hydrolyzes α(1 → 4) glycosidic bonds at random, but β-amylase hydrolyzes α(1 → 4) glycosidic bonds in an orderly way. 
A)  They do not differ, they are two different enzymes which perform the same function. 
B)  α-amylase hydrolyzes α(1 → 6) glycosidic bonds, but β-amylase hydrolyzes β(1 → 4) glycosidic bonds. 
C)  α-amylase hydrolyzes α(1 → 6) glycosidic bonds at in an orderly way, but β-amylase hydrolyzes α(1 → 4) glycosidic bonds at random. 
D)  α-amylase hydrolyzes α(1 → 4) glycosidic bonds at random, but β-amylase hydrolyzes α(1 → 4) glycosidic bonds in an orderly way.

Question 10

Which of the following is true regarding glycogen depletion during vigorous exercise?

Accepted Answer

A)  Exercise does not affect glycogen supplies. 
B)  Glycogen is depleted rapidly and at equal rates from the muscle and the liver. 
C)  Glycogen is first depleted from the liver and then from the muscles. 
D)  Glycogen is first depleted from the muscles and then from the liver. 
A)  Exercise does not affect glycogen supplies. 
B)  Glycogen is depleted rapidly and at equal rates from the muscle and the liver. 
C)  Glycogen is first depleted from the liver and then from the muscles. 
D)  Glycogen is first depleted from the muscles and then from the liver.

Question 11

Deficiency of which mineral is associated with pernicious anemia?

Accepted Answer

A)  cobalt 
B)  copper 
C)  iron 
D)  zinc 
A)  cobalt 
B)  copper 
C)  iron 
D)  zinc

Question 12

Examine the following structure.  
-If the polymer shown in the diagram is hydrolyzed into its monomers, this process would represent which of the following?

Accepted Answer

A)  protein metabolism 
B)  lipid metabolism 
C)  fatty acid metabolism 
D)  carbohydrate metabolism 
A)  protein metabolism 
B)  lipid metabolism 
C)  fatty acid metabolism 
D)  carbohydrate metabolism

Question 13

Consider the blank food pyramid shown below.  
-In which level of the food pyramid are the substances found that should be minimized in the diet?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Exam 30: Nutrition

Which of the following is a major component of saliva?

Which of the following correctly describes how bottled water and water in public drinking systems are purified?

Deficiency of which mineral is associated with goiter?

Which of the following is not true?

Which of the following amino acids is missing from gelatin?

Approximately what percentage of the human diet should be protein?

Deficiency of which mineral is associated with anemia?

How do α-amylase and β-amylase differ in their functions?

Which of the following is true regarding glycogen depletion during vigorous exercise?

Deficiency of which mineral is associated with pernicious anemia?

Examine the following structure. -If the polymer shown in the diagram is hydrolyzed into its monomers, this process would represent which of the following?

Consider the blank food pyramid shown below. -In which level of the food pyramid are the substances found that should be minimized in the diet?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Immunochemistry

Body Fluids

Filters