Question 1

Which statement regarding sources of protein is FALSE?

Accepted Answer

A) Bread,rice,and pasta provide small amounts of protein. 
B) It is difficult to meet most people's protein requirements without consuming animal-based products. 
C) Legumes are important sources of protein. 
D) Canada's Food Guide recommends lean meats and low-fat milk products. 
A) Bread,rice,and pasta provide small amounts of protein. 
B) It is difficult to meet most people's protein requirements without consuming animal-based products. 
C) Legumes are important sources of protein. 
D) Canada's Food Guide recommends lean meats and low-fat milk products. B

Question 2

What factors influence protein requirements?

Accepted Answer

A) body weight. 
B) age. 
C) health status. 
D) All of the above answer choices are correct. 
A) body weight. 
B) age. 
C) health status. 
D) All of the above answer choices are correct. D

Question 3

What is a consequence of a diet which provides foods of low protein quality?

Accepted Answer

A) weight gain. 
B) an increase in nitrogen loss in the urine. 
C) nitrogen retention in the body. 
D) muscle atrophy. 
A) weight gain. 
B) an increase in nitrogen loss in the urine. 
C) nitrogen retention in the body. 
D) muscle atrophy. B

Question 4

In a recent study,what did researchers find regarding the relative risk of death from cardiovascular disease?

Accepted Answer

A) non-vegetarians had a higher risk than vegetarians 
B) non-vegetarians had the same risk as vegetarians 
C) vegetarians had a higher risk than non-vegetarians 
D) there was no significant difference between vegetarians and non-vegetarians 
A) non-vegetarians had a higher risk than vegetarians 
B) non-vegetarians had the same risk as vegetarians 
C) vegetarians had a higher risk than non-vegetarians 
D) there was no significant difference between vegetarians and non-vegetarians

Question 5

High protein diets tend to have what other compositional characteristics?

Accepted Answer

A) The diet tends to be very high in carbohydrates. 
B) If most of protein comes from animal products,the diet will tend to be high in saturated fat. 
C) The diet will tend to be low in total fat. 
D) The diet will be harmful to bone health by increasing calcium excretion in the urine. 
A) The diet tends to be very high in carbohydrates. 
B) If most of protein comes from animal products,the diet will tend to be high in saturated fat. 
C) The diet will tend to be low in total fat. 
D) The diet will be harmful to bone health by increasing calcium excretion in the urine.

Question 6

Which of the following statements is recommended by Health Canada for those who have food allergies?

Accepted Answer

A) Read food labels carefully. 
B) Avoid foods with precautionary statements about ingredients to which they are allergic. 
C) Do not eat foods that contain ingredients with names they do not recognize. 
D) All of the above answer choices are correct. 
A) Read food labels carefully. 
B) Avoid foods with precautionary statements about ingredients to which they are allergic. 
C) Do not eat foods that contain ingredients with names they do not recognize. 
D) All of the above answer choices are correct.

Question 7

What is the function of the enzymes trypsin and chymotrypsin?

Accepted Answer

A) The breaking of large polypeptides into smaller peptides. 
B) The denaturation of proteins. 
C) The rearrangement of the sequence of amino acids in a polypeptide. 
D) The synthesis of nonessential amino acids. 
A) The breaking of large polypeptides into smaller peptides. 
B) The denaturation of proteins. 
C) The rearrangement of the sequence of amino acids in a polypeptide. 
D) The synthesis of nonessential amino acids.

Question 8

Name a pattern of food intake that eliminates all animal products.

Accepted Answer

A) lacto-ovo vegetarian. 
B) vegan vegetarian. 
C) phyto vegetarian. 
D) pollo-vegetarian. 
A) lacto-ovo vegetarian. 
B) vegan vegetarian. 
C) phyto vegetarian. 
D) pollo-vegetarian.

Question 9

Which statement about amino acid absorption is FALSE?

Accepted Answer

A) Each amino acid has its own specific transport system. 
B) Groups of similar amino acids share the same transport system. 
C) If one amino acid is supplemented,it can slow the absorption of other amino acids. 
D) Dipeptides and tripeptides are broken down to amino acids before leaving the mucosal cells of the small intestine. 
A) Each amino acid has its own specific transport system. 
B) Groups of similar amino acids share the same transport system. 
C) If one amino acid is supplemented,it can slow the absorption of other amino acids. 
D) Dipeptides and tripeptides are broken down to amino acids before leaving the mucosal cells of the small intestine.

Question 10

How does protein differ from carbohydrate and lipid?

Accepted Answer

A) It does not provide the body with a source of energy. 
B) It is classified as an inorganic molecule. 
C) It contains the element nitrogen. 
D) It is not considered to be an essential nutrient. 
A) It does not provide the body with a source of energy. 
B) It is classified as an inorganic molecule. 
C) It contains the element nitrogen. 
D) It is not considered to be an essential nutrient.

Question 11

Amino acid A can be synthesized from Amino acid B.Amino acid B must be obtained from the diet.Which statement best describes Amino Acid A and B?

Accepted Answer

A) Both amino acid A and B are essential. 
B) Amino acid A is essential.Amino acid B might become conditionally indispensable if the diet is limited in Amino acid A. 
C) Amino acid B is essential.Amino acid A might become conditionally indispensable if the diet is limited in Amino acid B 
D) Both amino acid A and B are conditionally essential, 
A) Both amino acid A and B are essential. 
B) Amino acid A is essential.Amino acid B might become conditionally indispensable if the diet is limited in Amino acid A. 
C) Amino acid B is essential.Amino acid A might become conditionally indispensable if the diet is limited in Amino acid B 
D) Both amino acid A and B are conditionally essential,

Question 12

Consider the functions of protein.Which is NOT correctly matched?

Accepted Answer

A) Transport protein: Protein moving amino acids into cells 
B) Buffer: Protein maintaining a specific level of acidity (pH)in the body 
C) collagen: structural protein 
D) hemoglobin: enzyme 
A) Transport protein: Protein moving amino acids into cells 
B) Buffer: Protein maintaining a specific level of acidity (pH)in the body 
C) collagen: structural protein 
D) hemoglobin: enzyme

Question 13

What kind of bond links one amino acid to the next?

Accepted Answer

A) disulfide 
B) ionic 
C) glycosidic 
D) peptide 
A) disulfide 
B) ionic 
C) glycosidic 
D) peptide

Question 14

What is a characteristic of a limiting amino acid?

Accepted Answer

A) it does not supply the element nitrogen. 
B) it is present in short supply relative to the body's need. 
C) it cannot be used by the body during protein synthesis. 
D) it is used to synthesize nonprotein molecules that contain nitrogen. 
A) it does not supply the element nitrogen. 
B) it is present in short supply relative to the body's need. 
C) it cannot be used by the body during protein synthesis. 
D) it is used to synthesize nonprotein molecules that contain nitrogen.

Question 15

Vegetarians have a lower risk of developing which medical condition?

Accepted Answer

A) diabetes. 
B) cardiovascular disease. 
C) high blood pressure. 
D) All of the above answer choices are correct. 
A) diabetes. 
B) cardiovascular disease. 
C) high blood pressure. 
D) All of the above answer choices are correct.

Question 16

What characterizes protein-energy malnutrition?

Accepted Answer

A) increased susceptibility to food allergies. 
B) wasting and increased susceptibility to infection. 
C) excessive urinary output. 
D) hyperglycemia. 
A) increased susceptibility to food allergies. 
B) wasting and increased susceptibility to infection. 
C) excessive urinary output. 
D) hyperglycemia.

Question 17

The synthesis of neurotransmitters from amino acids is an example of what type of synthesis?

Accepted Answer

A) nonprotein molecules from amino acids 
B) peptides from amino acids 
C) glucose from amino acids 
D) ketones from amino acids 
A) nonprotein molecules from amino acids 
B) peptides from amino acids 
C) glucose from amino acids 
D) ketones from amino acids

Question 18

Which of the following statements regarding protein is TRUE?

Accepted Answer

A) Most Canadians do not have enough protein in their diet. 
B) The Canada's Food Guide recommends the consumption of large amount of red meat to satisfy the needs in protein. 
C) The amount of protein used by the body is estimated by calculating nitrogen loss from the body. 
D) All of the above answer choices are correct. 
A) Most Canadians do not have enough protein in their diet. 
B) The Canada's Food Guide recommends the consumption of large amount of red meat to satisfy the needs in protein. 
C) The amount of protein used by the body is estimated by calculating nitrogen loss from the body. 
D) All of the above answer choices are correct.

Question 19

Which of the following can result from a deficiency of protein and energy?

Accepted Answer

A) PKU 
B) marasmus 
C) kidney stones 
D) All of the above answer choices are correct. 
A) PKU 
B) marasmus 
C) kidney stones 
D) All of the above answer choices are correct.

Question 20

What happens when a protein is heated?

Accepted Answer

A) transamination. 
B) deamination. 
C) denaturation. 
D) All of the above answer choices are correct. 
A) transamination. 
B) deamination. 
C) denaturation. 
D) All of the above answer choices are correct.

Exam 6: Proteins and Amino Acids

Which statement regarding sources of protein is FALSE?

What factors influence protein requirements?

What is a consequence of a diet which provides foods of low protein quality?

In a recent study,what did researchers find regarding the relative risk of death from cardiovascular disease?

High protein diets tend to have what other compositional characteristics?

Which of the following statements is recommended by Health Canada for those who have food allergies?

What is the function of the enzymes trypsin and chymotrypsin?

Name a pattern of food intake that eliminates all animal products.

Which statement about amino acid absorption is FALSE?

How does protein differ from carbohydrate and lipid?

Amino acid A can be synthesized from Amino acid B.Amino acid B must be obtained from the diet.Which statement best describes Amino Acid A and B?

Consider the functions of protein.Which is NOT correctly matched?

What kind of bond links one amino acid to the next?

What is a characteristic of a limiting amino acid?

Vegetarians have a lower risk of developing which medical condition?

What characterizes protein-energy malnutrition?

The synthesis of neurotransmitters from amino acids is an example of what type of synthesis?

Which of the following statements regarding protein is TRUE?

Which of the following can result from a deficiency of protein and energy?

What happens when a protein is heated?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Energy Balance and Weight Management

A: 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 1: Focus on Beyond the Basics

Focus 2: Focus on Alcohol

Focus 3: Focus on Obesity, Metabolism, and Disease Risk

Focus 4: Focus on Phytochemicals

Focus5:focus on Natural Health Products

Focus 6: Focus on Integrating Nutrient Function in the Body

Focus 7: Focus on Eating Disorders

Focus 8: Focus on Biotechnology

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