Question 1

Which of the following vitamin deficiencies leads to rickets?

Accepted Answer

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

Question 2

Which of the following mineral deficiencies leads to anemia?

Accepted Answer

A)  chromium deficiency 
B)  manganese deficiency 
C)  iron deficiency 
D)  selenium deficiency 
A)  chromium deficiency 
B)  manganese deficiency 
C)  iron deficiency 
D)  selenium deficiency C

Question 3

What is an essential amino acid?

Accepted Answer

A)  any amino acid that the body needs for fat digestion 
B)  any amino acid that the body needs for proteins synthesis 
C)  any amino acid that the body needs but cannot synthesize 
D)  any amino acid that the body needs and must synthesize 
A)  any amino acid that the body needs for fat digestion 
B)  any amino acid that the body needs for proteins synthesis 
C)  any amino acid that the body needs but cannot synthesize 
D)  any amino acid that the body needs and must synthesize C

Question 4

What is the role of HCl in the digestion of proteins?

Accepted Answer

A)  It denatures proteins. 
B)  It hydrolyzes peptide bonds. 
C)  It denatures proteins and it hydrolyzes peptide bonds. 
D)  None of these. 
A)  It denatures proteins. 
B)  It hydrolyzes peptide bonds. 
C)  It denatures proteins and it hydrolyzes peptide bonds. 
D)  None of these.

Question 5

Approximately what percentage of stomach acid is HCl?

Accepted Answer

A)  0.5% 
B)  1.0% 
C)  5.0% 
D)  10.0% 
A)  0.5% 
B)  1.0% 
C)  5.0% 
D)  10.0%

Question 6

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 7

Which of the following vitamins is an important antioxidant?

Accepted Answer

A)  vitamin A 
B)  vitamin D 
C)  vitamin C 
D)  vitamin K 
A)  vitamin A 
B)  vitamin D 
C)  vitamin C 
D)  vitamin K

Question 8

Which of the following metals is part of the structure of vitamin B12?

Accepted Answer

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

Question 9

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 10

Which of the following vitamins acts as a photosensitizer?

Accepted Answer

A)  vitamins B2 
B)  vitamin B1 
C)  vitamin B6 
D)  vitamin B12 
A)  vitamins B2 
B)  vitamin B1 
C)  vitamin B6 
D)  vitamin B12

Question 11

Which of the following types of sugars can directly pass into the bloodstream without digestion?

Accepted Answer

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

Question 12

The following structure represents a storage polysaccharide such as glycogen or starch. Each sphere represents 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 the 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 13

Where in the body does the absorption of nutrients into the blood stream or lymphatic system occur?

Accepted Answer

A)  through the intestinal walls 
B)  in the mouth 
C)  in the stomach 
D)  all of these 
A)  through the intestinal walls 
B)  in the mouth 
C)  in the stomach 
D)  all of these

Question 14

Which of the following foods contain gluten?

Accepted Answer

A)  green vegetables 
B)  dairy products 
C)  fruits 
D)  grains 
A)  green vegetables 
B)  dairy products 
C)  fruits 
D)  grains

Question 15

Which of the following vitamins helps in blood clotting?

Accepted Answer

A)  vitamin A 
B)  vitamin E 
C)  vitamin K 
D)  vitamin D 
A)  vitamin A 
B)  vitamin E 
C)  vitamin K 
D)  vitamin D

Question 16

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

Accepted Answer

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

Question 17

Which of the following conditions is not associated with obesity?

Accepted Answer

A)  cardiovascular disease 
B)  diabetes 
C)  hypertension 
D)  None, these are all associated with obesity. 
A)  cardiovascular disease 
B)  diabetes 
C)  hypertension 
D)  None, these are all associated with obesity.

Question 18

Which of the following vitamin deficiencies leads to anemia?

Accepted Answer

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

Question 19

Which of the following vitamin deficiencies is associated with depression?

Accepted Answer

A)  thiamine deficiency 
B)  riboflavin deficiency 
C)  biotin deficiency 
D)  folic acid deficiency 
A)  thiamine deficiency 
B)  riboflavin deficiency 
C)  biotin deficiency 
D)  folic acid deficiency

Question 20

Which of the following statements is true of gelatin?

Accepted Answer

A)  It is a complete protein. 
B)  It is rich in tryptophan. 
C)  It is an animal protein. 
D)  It is an amino acid. 
A)  It is a complete protein. 
B)  It is rich in tryptophan. 
C)  It is an animal protein. 
D)  It is an amino acid.

Exam 29: Nutrition

Which of the following vitamin deficiencies leads to rickets?

Which of the following mineral deficiencies leads to anemia?

What is an essential amino acid?

What is the role of HCl in the digestion of proteins?

Approximately what percentage of stomach acid is HCl?

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

Which of the following vitamins is an important antioxidant?

Which of the following metals is part of the structure of vitamin B12?

Which of the following is a major component of saliva?

Which of the following vitamins acts as a photosensitizer?

Which of the following types of sugars can directly pass into the bloodstream without digestion?

The following structure represents a storage polysaccharide such as glycogen or starch. Each sphere represents 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 the letters?

Where in the body does the absorption of nutrients into the blood stream or lymphatic system occur?

Which of the following foods contain gluten?

Which of the following vitamins helps in blood clotting?

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

Which of the following conditions is not associated with obesity?

Which of the following vitamin deficiencies leads to anemia?

Which of the following vitamin deficiencies is associated with depression?

Which of the following statements is true of gelatin?

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, Alkynes, and Aromatic Compounds

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

Which of the following metals is part of the structure of vitamin B₁₂?