Question 1

Certain proteins act as buffers in the blood. In this role they are responsible for:

Accepted Answer

A)  providing immunity from foreign substances that invade the body. 
B)  making sure that sodium is transported outside the cells. 
C)  ensuring that too much fluid in the cells doesn't cause edema. 
D)  picking up and releasing hydrogens in the blood to balance its pH. 
A)  providing immunity from foreign substances that invade the body. 
B)  making sure that sodium is transported outside the cells. 
C)  ensuring that too much fluid in the cells doesn't cause edema. 
D)  picking up and releasing hydrogens in the blood to balance its pH.

Question 2

Use the "chicken" patty label below to answer questions
  
-How does the fat content of this product compare with that of an actual piece of chicken eaten with the skin?

Accepted Answer

A)  Both foods have exactly the same type of fat composition. 
B)  This product is higher in cholesterol. 
C)  This product is higher in total fat. 
D)  This product is lower in saturated fat. 
A)  Both foods have exactly the same type of fat composition. 
B)  This product is higher in cholesterol. 
C)  This product is higher in total fat. 
D)  This product is lower in saturated fat.

Question 3

Which of the following is found in protein but not in carbohydrate or fat?

Accepted Answer

A)  carbon 
B)  hydrogen 
C)  nitrogen 
D)  oxygen 
A)  carbon 
B)  hydrogen 
C)  nitrogen 
D)  oxygen

Question 4

In making recommendations for protein intake, the committee on DRI took into consideration that the protein in a normal diet would be:

Accepted Answer

A)  primarily from animal sources. 
B)  primarily from plant sources. 
C)  a combination of animal and plant sources. 
D)  used with 100% efficiency by everyone. 
A)  primarily from animal sources. 
B)  primarily from plant sources. 
C)  a combination of animal and plant sources. 
D)  used with 100% efficiency by everyone.

Question 5

The roles of enzymes formed by body proteins are important when foods are eaten because:

Accepted Answer

A)  each enzyme is responsible for numerous different chemical reactions. 
B)  an enzyme acts as a catalyst to speed up a reaction without being altered itself. 
C)  enzymes signal certain organs to respond to a change in conditions in the body. 
D)  some enzymes can become chemical messengers in the nervous system. 
A)  each enzyme is responsible for numerous different chemical reactions. 
B)  an enzyme acts as a catalyst to speed up a reaction without being altered itself. 
C)  enzymes signal certain organs to respond to a change in conditions in the body. 
D)  some enzymes can become chemical messengers in the nervous system.

Question 6

For the majority of exercisers, adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following would have the highest protein DRI per unit of body weight?

Accepted Answer

A)  a 28-year-old pregnant woman 
B)  a 6-year-old child 
C)  a 40-year-old male 
D)  a 34-year-old woman 
A)  a 28-year-old pregnant woman 
B)  a 6-year-old child 
C)  a 40-year-old male 
D)  a 34-year-old woman

Question 8

Poorly-planned vegetarian diets typically lack all of the following except:

Accepted Answer

A)  calcium. 
B)  vitamin B12. 
C)  zinc. 
D)  folate. 
A)  calcium. 
B)  vitamin B12. 
C)  zinc. 
D)  folate.

Question 9

The body normally makes tyrosine from the essential amino acid:

Accepted Answer

A)  phenylalanine. 
B)  leucine. 
C)  valine. 
D)  lysine. 
A)  phenylalanine. 
B)  leucine. 
C)  valine. 
D)  lysine.

Question 10

Compared to meat eaters, vegetarians tend to have:

Accepted Answer

A)  higher death rates from heart disease. 
B)  healthier body weights. 
C)  lower blood pressure. 
D)  a and b 
E)  b and c 
A)  higher death rates from heart disease. 
B)  healthier body weights. 
C)  lower blood pressure. 
D)  a and b 
E)  b and c

Question 11

The DRI for protein for healthy adults is _____ gram(s) per kilogram of body weight.

Accepted Answer

A)  0.5 
B)  0.8 
C)  1.0 
D)  1.5 
A)  0.5 
B)  0.8 
C)  1.0 
D)  1.5

Question 12

Your neighbor has placed herself on a gluten-free diet to help her lose weight. What advice would you give her?

Accepted Answer

A)  She should be successful because it is an excellent way to lose weight. 
B)  It will help relieve any digestive symptoms she may have. 
C)  Gluten-free weight-loss diets offer no advantages over other low-calorie diets. 
D)  Gluten-free diets help prevent cancer. 
A)  She should be successful because it is an excellent way to lose weight. 
B)  It will help relieve any digestive symptoms she may have. 
C)  Gluten-free weight-loss diets offer no advantages over other low-calorie diets. 
D)  Gluten-free diets help prevent cancer.

Question 13

The role of enzymes in the small intestine in protein digestion is to split proteins into all except:

Accepted Answer

A)  oligopeptides. 
B)  amino acids. 
C)  dipeptides. 
D)  tripeptides. 
A)  oligopeptides. 
B)  amino acids. 
C)  dipeptides. 
D)  tripeptides.

Question 14

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.

Accepted Answer

A) True 
 B)False

Question 15

A(n) _____ bond is formed between the amine group end of one amino acid and the acid group end of the next amino acid in a protein.

Accepted Answer

A)  peptide 
B)  amino acid 
C)  denatured 
D)  sulfur 
A)  peptide 
B)  amino acid 
C)  denatured 
D)  sulfur

Question 16

Sickle-cell disease is an example of an inherited mistake in the amino acid sequence.

Accepted Answer

A) True 
 B)False

Question 17

Many healthy people can consume less than the recommended amount of protein and still meet their bodies' protein needs.

Accepted Answer

A) True 
 B)False

Question 18

Tim, who lost a large amount of weight during an illness, is thinking about taking amino acid supplements to help him regain muscle mass. What advice would you give him?

Accepted Answer

A)  Amino acid supplements are an excellent way to quickly provide energy to muscles for rebuilding. 
B)  Taking amino acid supplements helps keep the digestive system from overworking while you recover from illness. 
C)  Extra carbohydrate, but never extra protein, is needed for recovery. 
D)  Whole protein is better handled by the digestive system and will better promote recovery. 
A)  Amino acid supplements are an excellent way to quickly provide energy to muscles for rebuilding. 
B)  Taking amino acid supplements helps keep the digestive system from overworking while you recover from illness. 
C)  Extra carbohydrate, but never extra protein, is needed for recovery. 
D)  Whole protein is better handled by the digestive system and will better promote recovery.

Question 19

All of the following are needed for the body to synthesize protein except:

Accepted Answer

A)  adequate carbohydrate and fat. 
B)  an adequate total amount of protein. 
C)  all essential amino acids in the proper amounts. 
D)  amino acid supplements. 
A)  adequate carbohydrate and fat. 
B)  an adequate total amount of protein. 
C)  all essential amino acids in the proper amounts. 
D)  amino acid supplements.

Question 20

Sound nutrition authorities acknowledge that well-chosen vegetarian diets are consistent with good health and can meet nutrient needs.

Accepted Answer

A) True 
 B)False

Certain proteins act as buffers in the blood. In this role they are responsible for:

Use the "chicken" patty label below to answer questions -How does the fat content of this product compare with that of an actual piece of chicken eaten with the skin?

Which of the following is found in protein but not in carbohydrate or fat?

In making recommendations for protein intake, the committee on DRI took into consideration that the protein in a normal diet would be:

The roles of enzymes formed by body proteins are important when foods are eaten because:

For the majority of exercisers, adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.

Which of the following would have the highest protein DRI per unit of body weight?

Poorly-planned vegetarian diets typically lack all of the following except:

The body normally makes tyrosine from the essential amino acid:

Compared to meat eaters, vegetarians tend to have:

The DRI for protein for healthy adults is _____ gram(s) per kilogram of body weight.

Your neighbor has placed herself on a gluten-free diet to help her lose weight. What advice would you give her?

The role of enzymes in the small intestine in protein digestion is to split proteins into all except:

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.

A(n) _____ bond is formed between the amine group end of one amino acid and the acid group end of the next amino acid in a protein.

Sickle-cell disease is an example of an inherited mistake in the amino acid sequence.

Many healthy people can consume less than the recommended amount of protein and still meet their bodies' protein needs.

Tim, who lost a large amount of weight during an illness, is thinking about taking amino acid supplements to help him regain muscle mass. What advice would you give him?

All of the following are needed for the body to synthesize protein except:

Sound nutrition authorities acknowledge that well-chosen vegetarian diets are consistent with good health and can meet nutrient needs.

Food Choices and Human Health

Nutrition Toolsstandards and Guidelines

The Remarkable Body

The Carbohydrates: Sugar, Starch, Glycogen, and Fiber

The Lipids: Fats, Oils, Phospholipids, and Sterols

The Vitamins

Water and Minerals

Energy Balance and Healthy Body Weight

Nutrients, Physical Activity, and the Bodys Responses

Diet and Health

Food Safety and Food Technology

Life Cycle Nutrition: Mother and Infant

Child, Teen, and Older Adult

Hunger and the Global Environment

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Exam 6: The Proteins and Amino Acids

Certain proteins act as buffers in the blood. In this role they are responsible for:

Use the "chicken" patty label below to answer questions -How does the fat content of this product compare with that of an actual piece of chicken eaten with the skin?

Which of the following is found in protein but not in carbohydrate or fat?

In making recommendations for protein intake, the committee on DRI took into consideration that the protein in a normal diet would be:

The roles of enzymes formed by body proteins are important when foods are eaten because:

For the majority of exercisers, adding excess protein or amino acid supplements to an adequate diet will stimulate muscle building.

Which of the following would have the highest protein DRI per unit of body weight?

Poorly-planned vegetarian diets typically lack all of the following except:

The body normally makes tyrosine from the essential amino acid:

Compared to meat eaters, vegetarians tend to have:

The DRI for protein for healthy adults is _____ gram(s) per kilogram of body weight.

Your neighbor has placed herself on a gluten-free diet to help her lose weight. What advice would you give her?

The role of enzymes in the small intestine in protein digestion is to split proteins into all except:

The body is able to make all of the 20 amino acids needed from fragments derived from carbohydrate and fat.

A(n) _____ bond is formed between the amine group end of one amino acid and the acid group end of the next amino acid in a protein.

Sickle-cell disease is an example of an inherited mistake in the amino acid sequence.

Many healthy people can consume less than the recommended amount of protein and still meet their bodies' protein needs.

Tim, who lost a large amount of weight during an illness, is thinking about taking amino acid supplements to help him regain muscle mass. What advice would you give him?

All of the following are needed for the body to synthesize protein except:

Sound nutrition authorities acknowledge that well-chosen vegetarian diets are consistent with good health and can meet nutrient needs.

Food Choices and Human Health

Nutrition Toolsstandards and Guidelines

The Remarkable Body

The Carbohydrates: Sugar, Starch, Glycogen, and Fiber

The Lipids: Fats, Oils, Phospholipids, and Sterols

The Vitamins

Water and Minerals

Energy Balance and Healthy Body Weight

Nutrients, Physical Activity, and the Bodys Responses

Diet and Health

Food Safety and Food Technology

Life Cycle Nutrition: Mother and Infant

Child, Teen, and Older Adult

Hunger and the Global Environment

Filters