Question 1

The recommended daily intake of fiber is larger for men than for women. Considering this, what is the range of recommended daily intake for people under age 50?

Accepted Answer

A)  5 to 10 g 
B)  25 to 35 g 
C)  65 to 75 g 
D)  90 to 100 g 
A)  5 to 10 g 
B)  25 to 35 g 
C)  65 to 75 g 
D)  90 to 100 g B

Question 2

Which of the following is true of animal proteins?

Accepted Answer

A)  All are complete. 
B)  All are incomplete. 
C)  Most are complete. 
D)  Most are incomplete. 
A)  All are complete. 
B)  All are incomplete. 
C)  Most are complete. 
D)  Most are incomplete. C

Question 3

Examine the following structure.  
-Consider the hydrolysis reaction catalyzed by the enzyme carboxypeptidase. Which location in the diagram represented by a letter would be the site of this type of hydrolysis?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  Hydrolysis could occur at any of the indicated points. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  Hydrolysis could occur at any of the indicated points. D

Question 4

Which of the following hydrolyzes proteins only on the amino side of tryptophan, phenylalanine and tyrosine?

Accepted Answer

A)  carboxypeptidase 
B)  pepsin 
C)  trypsin 
D)  none of these 
A)  carboxypeptidase 
B)  pepsin 
C)  trypsin 
D)  none of these

Question 5

Deficiency of which of the following is associated with beriberi?

Accepted Answer

A)  vitamin A 
B)  vitamin B1 
C)  vitamin C 
D)  vitamin D 
A)  vitamin A 
B)  vitamin B1 
C)  vitamin C 
D)  vitamin D

Question 6

Why is creatine not considered equivalent to banned anabolic steroids?

Accepted Answer

A)  It is a natural amino acid found in muscles. 
B)  It is a natural amino acid found in proteins. 
C)  It is not a useful ergogenic aid. 
D)  All of the above are true. 
A)  It is a natural amino acid found in muscles. 
B)  It is a natural amino acid found in proteins. 
C)  It is not a useful ergogenic aid. 
D)  All of the above are true.

Question 7

Which of the following hydrolyzes proteins only on the C=O side of tryptophan, phenylalanine and tyrosine?

Accepted Answer

A)  carboxypeptidase 
B)  chymotrypsin 
C)  pepsin 
D)  trypsin 
A)  carboxypeptidase 
B)  chymotrypsin 
C)  pepsin 
D)  trypsin

Question 8

Deficiency of which of the following is associated with rickets?

Accepted Answer

A)  vitamin A 
B)  vitamin B1 
C)  vitamin C 
D)  vitamin D 
A)  vitamin A 
B)  vitamin B1 
C)  vitamin C 
D)  vitamin D

Question 9

Why did the USDA revise its 1992 Food Guide Pyramid?

Accepted Answer

A)  New data suggested that the 1992 pyramid was too simplistic. 
B)  Research showed little evidence to support the claim that high carbohydrate intake is beneficial. 
C)  The 1992 pyramid did not recognize the importance of exercise. 
D)  All of the above are correct. 
A)  New data suggested that the 1992 pyramid was too simplistic. 
B)  Research showed little evidence to support the claim that high carbohydrate intake is beneficial. 
C)  The 1992 pyramid did not recognize the importance of exercise. 
D)  All of the above are correct.

Question 10

Deficiency of which of the following is associated with night blindness?

Accepted Answer

A)  vitamin A 
B)  vitamin B1 
C)  vitamin C 
D)  vitamin D 
A)  vitamin A 
B)  vitamin B1 
C)  vitamin C 
D)  vitamin D

Question 11

Deficiency of which of the following is associated with anemia?

Accepted Answer

A)  folic acid 
B)  nicotinic acid 
C)  riboflavin 
D)  thiamine 
A)  folic acid 
B)  nicotinic acid 
C)  riboflavin 
D)  thiamine

Question 12

Consider the blank food pyramid shown below.  
-In which level of the food pyramid are substances such as bread, cereal, rice and pasta likely to be found (those high in starch)?

Accepted Answer

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

Question 13

The following structure represents a storage polysaccharide such a glycogen or starch. Each sphere represent a monomer of the polymer.  
-When this structure is broken down during metabolism, the debranching enzyme would hydrolyze monomers at which point in the polymer as indicated by letters?

Accepted Answer

A)  A only 
B)  B only 
C)  C only 
D)  Hydrolysis could occur at B or C. 
E)  Hydrolysis could occur at A, B or C. 
A)  A only 
B)  B only 
C)  C only 
D)  Hydrolysis could occur at B or C. 
E)  Hydrolysis could occur at A, B or C.

Question 14

Why is fiber essential in a healthy diet?

Accepted Answer

A)  It contains essential amino acids. 
B)  It contains essential fatty acids. 
C)  It is necessary for proper functioning of the digestive system. 
D)  All of the above are correct. 
A)  It contains essential amino acids. 
B)  It contains essential fatty acids. 
C)  It is necessary for proper functioning of the digestive system. 
D)  All of the above are correct.

Question 15

Examine the following structure.  
-Hydrolysis by HCl in the stomach could occur at which of the points indicated by a letter?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  Hydrolysis could occur at any of the indicated points. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  Hydrolysis could occur at any of the indicated points.

Question 16

Which of the following effects are associated with caffeine?

Accepted Answer

A)  activation of lipases 
B)  dehydration 
C)  stimulation of the central nervous system 
D)  all of these 
A)  activation of lipases 
B)  dehydration 
C)  stimulation of the central nervous system 
D)  all of these

Question 17

Which of the following can pass directly into the bloodstream?

Accepted Answer

A)  only glucose 
B)  only monosaccharides 
C)  only disaccharides 
D)  both monosaccharides and disaccharides 
A)  only glucose 
B)  only monosaccharides 
C)  only disaccharides 
D)  both monosaccharides and disaccharides

Question 18

Approximately what percentage of dietary lipids is in the form of triglycerides?

Accepted Answer

A)  2% 
B)  25% 
C)  75% 
D)  98% 
A)  2% 
B)  25% 
C)  75% 
D)  98%

Question 19

Which of the following may soon be tested in a clinical trial related to insulin resistance and mood in diabetic females?

Accepted Answer

A)  omega unsaturated fatty acids 
B)  Vitamin C 
C)  Vitamin D 
D)  Vitamin B12 
E)  None of these has been linked to insulin resistance and mood. 
A)  omega unsaturated fatty acids 
B)  Vitamin C 
C)  Vitamin D 
D)  Vitamin B12 
E)  None of these has been linked to insulin resistance and mood.

Question 20

The recommended daily amount (based on 2000 Cal and 2500 Cal intake) of which of the following need not be shown on a food packaging label?

Accepted Answer

A)  cholesterol 
B)  magnesium 
C)  potassium 
D)  sodium 
A)  cholesterol 
B)  magnesium 
C)  potassium 
D)  sodium

Exam 30: Nutrition

The recommended daily intake of fiber is larger for men than for women. Considering this, what is the range of recommended daily intake for people under age 50?

Which of the following is true of animal proteins?

Examine the following structure. -Consider the hydrolysis reaction catalyzed by the enzyme carboxypeptidase. Which location in the diagram represented by a letter would be the site of this type of hydrolysis?

Which of the following hydrolyzes proteins only on the amino side of tryptophan, phenylalanine and tyrosine?

Deficiency of which of the following is associated with beriberi?

Why is creatine not considered equivalent to banned anabolic steroids?

Which of the following hydrolyzes proteins only on the C=O side of tryptophan, phenylalanine and tyrosine?

Deficiency of which of the following is associated with rickets?

Why did the USDA revise its 1992 Food Guide Pyramid?

Deficiency of which of the following is associated with night blindness?

Deficiency of which of the following is associated with anemia?

Consider the blank food pyramid shown below. -In which level of the food pyramid are substances such as bread, cereal, rice and pasta likely to be found (those high in starch)?

The following structure represents a storage polysaccharide such a glycogen or starch. Each sphere represent a monomer of the polymer. -When this structure is broken down during metabolism, the debranching enzyme would hydrolyze monomers at which point in the polymer as indicated by letters?

Why is fiber essential in a healthy diet?

Examine the following structure. -Hydrolysis by HCl in the stomach could occur at which of the points indicated by a letter?

Which of the following effects are associated with caffeine?

Which of the following can pass directly into the bloodstream?

Approximately what percentage of dietary lipids is in the form of triglycerides?

Which of the following may soon be tested in a clinical trial related to insulin resistance and mood in diabetic females?

The recommended daily amount (based on 2000 Cal and 2500 Cal intake) of which of the following need not be shown on a food packaging label?

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