Question 1

Which is NOT a functions of copper?

Accepted Answer

A) connective tissue synthesis. 
B) heart muscle maintenance. 
C) normal sexual development. 
D) central nervous system functioning. 
A) connective tissue synthesis. 
B) heart muscle maintenance. 
C) normal sexual development. 
D) central nervous system functioning.

Question 2

What is the criterion of adequacy for the AI for zinc in infants?

Accepted Answer

A) amount of zinc in breast milk 
B) zinc needed to replace daily losses 
C) zinc needed for growth 
D) amount needed to maintain blood levels. 
A) amount of zinc in breast milk 
B) zinc needed to replace daily losses 
C) zinc needed for growth 
D) amount needed to maintain blood levels.

Question 3

Which does NOT require molybdenum?

Accepted Answer

A) metabolism of sulfur-containing amino acids. 
B) production of uric acid. 
C) synthesis of collagen. 
D) metabolism of nitrogen containing compounds in RNA and DNA. 
A) metabolism of sulfur-containing amino acids. 
B) production of uric acid. 
C) synthesis of collagen. 
D) metabolism of nitrogen containing compounds in RNA and DNA.

Question 4

Which element is found in one form of the enzyme superoxide dismutase (SOD)?

Accepted Answer

A) iron. 
B) copper. 
C) sulfur. 
D) sodium. 
A) iron. 
B) copper. 
C) sulfur. 
D) sodium.

Question 5

Which of the following statements regarding zinc's function in the body is FALSE?

Accepted Answer

A) Zinc is a cofactor for hundreds of enzymes. 
B) Zinc is needed for development of sex organs. 
C) Zinc is needed for growth and repair of tissues. 
D) Zinc is needed for synthesis of vitamin E. 
A) Zinc is a cofactor for hundreds of enzymes. 
B) Zinc is needed for development of sex organs. 
C) Zinc is needed for growth and repair of tissues. 
D) Zinc is needed for synthesis of vitamin E.

Question 6

Which is NOT a reason a reason why salt was selected as a vehicle for added iodine?

Accepted Answer

A) its taste is preferred by most of the population. 
B) iodine can be added to it inexpensively. 
C) it is a food item consistently consumed by a majority of the population. 
D) it is a form that is well used by the body. 
A) its taste is preferred by most of the population. 
B) iodine can be added to it inexpensively. 
C) it is a food item consistently consumed by a majority of the population. 
D) it is a form that is well used by the body.

Question 7

What is a consequence of too much fluoride in drinking water?

Accepted Answer

A) arthritis. 
B) diarrhea. 
C) hives and dermatitis. 
D) mottled teeth. 
A) arthritis. 
B) diarrhea. 
C) hives and dermatitis. 
D) mottled teeth.

Question 8

Why are adequate intakes of iodine essential to good health? What are the characteristics of iodine deficiency?

Accepted Answer

Iodine is needed for synthesis of thyroi

Question 9

What do arsenic,boron,nickel,silicon and vanadium have in common?

Accepted Answer

A) none have an AI 
B) none have an RDA 
C) some have a UL 
D) all of the above 
A) none have an AI 
B) none have an RDA 
C) some have a UL 
D) all of the above

Question 10

What was aprimary finding from the Brantford-Sarnia-Stratford study of water fluoridation in Canada?

Accepted Answer

A) the establishment of the prevalence of fluorosis in Brantford,Ontario. 
B) the presence of "Colorado brown stain" on the teeth of all Canadian children. 
C) that filtering the fluoride out of the water supply improved glucose regulation in Canadian adults. 
D) that artificially fluoridating the water supply significantly reduced the prevalence of dental caries in Canadian children. 
A) the establishment of the prevalence of fluorosis in Brantford,Ontario. 
B) the presence of "Colorado brown stain" on the teeth of all Canadian children. 
C) that filtering the fluoride out of the water supply improved glucose regulation in Canadian adults. 
D) that artificially fluoridating the water supply significantly reduced the prevalence of dental caries in Canadian children.

Question 11

What is the basis for AI for manganese?

Accepted Answer

A) The amount consumed by a healthy population 
B) The amount required for the maintenance of antioxidant activity. 
C) The amount needed for bone formation. 
D) The amount to maintain normal cholesterol levels. 
A) The amount consumed by a healthy population 
B) The amount required for the maintenance of antioxidant activity. 
C) The amount needed for bone formation. 
D) The amount to maintain normal cholesterol levels.

Question 12

Which statement best distinguishes between the absorption of heme and non-heme iron?

Accepted Answer

A) Both are equally well absorbed. 
B) Heme iron is absorbed and bind to ferritin in the mucosal cell,while hon-heme iron is bound to transferrin. 
C) Heme iron is more readily absorbed into the mucosal cell than non-heme iron. 
D) Non-heme iron is absorbed in the ferric form,which is more soluble than the ferrous form. 
A) Both are equally well absorbed. 
B) Heme iron is absorbed and bind to ferritin in the mucosal cell,while hon-heme iron is bound to transferrin. 
C) Heme iron is more readily absorbed into the mucosal cell than non-heme iron. 
D) Non-heme iron is absorbed in the ferric form,which is more soluble than the ferrous form.

Question 13

The criteria of adequacy used to establish the RDA for iron is the amount of iron required for which functions?

Accepted Answer

A) to maintain a high level of stores in the liver and high hemoglobin levels. 
B) to maintain a low level of stores in the liver and low hemoglobin levels. 
C) to maintain good health and low iron stores in the liver. 
D) to maintain normal function and high iron stores in the liver. 
A) to maintain a high level of stores in the liver and high hemoglobin levels. 
B) to maintain a low level of stores in the liver and low hemoglobin levels. 
C) to maintain good health and low iron stores in the liver. 
D) to maintain normal function and high iron stores in the liver.

Question 14

Which statement about overt chromium deficiency is CORRECT?

Accepted Answer

A) Overt chromium deficiency is behind the obesity epidemic in Canada. 
B) Overt chromium deficiency is common among Canadians since so many processed foods are consumed. 
C) Overt chromium deficiency is rare. 
D) Overt chromium deficiency symptoms are often confused with zinc deficiency symptoms. 
A) Overt chromium deficiency is behind the obesity epidemic in Canada. 
B) Overt chromium deficiency is common among Canadians since so many processed foods are consumed. 
C) Overt chromium deficiency is rare. 
D) Overt chromium deficiency symptoms are often confused with zinc deficiency symptoms.

Question 15

increase in the amount of iron stored in the liver Because of the use of iron supplements,a young woman is recovering from iron deficiency anemia.What is the order of changes you would expect to see as the recovery progresses?

Accepted Answer

A) 1,2,3 
B) 3,2,1 
C) 2,3,1 
D) None of the above 
A) 1,2,3 
B) 3,2,1 
C) 2,3,1 
D) None of the above

Question 16

Which statement best describes the relationship between thyroid stimulated hormone and iodine?

Accepted Answer

A) Low iodine intakes lead tolow thyroid hormone levels.As a result,thyroid stimulating hormone is released,but no thyroid hormone is synthesized and the thyroid gland enlarges. 
B) Normal iodine intakes lead to high thyroid hormone levels.As a result,thyroid stimulating hormone is released and thyroid hormone is synthesized causing the thyroid gland to enlarge. 
C) lowiodine intakes lead to low thyroid hormone levels.As a result no thyroid stimulating hormone is released and the thyroid gland shrinks in size. 
D) Normal iodine intakes lead to low thyroid hormone levels.As a result thyroid stimulating hormone is released and the thyroid gland enlarges. 
A) Low iodine intakes lead tolow thyroid hormone levels.As a result,thyroid stimulating hormone is released,but no thyroid hormone is synthesized and the thyroid gland enlarges. 
B) Normal iodine intakes lead to high thyroid hormone levels.As a result,thyroid stimulating hormone is released and thyroid hormone is synthesized causing the thyroid gland to enlarge. 
C) lowiodine intakes lead to low thyroid hormone levels.As a result no thyroid stimulating hormone is released and the thyroid gland shrinks in size. 
D) Normal iodine intakes lead to low thyroid hormone levels.As a result thyroid stimulating hormone is released and the thyroid gland enlarges.

Question 17

What increases the risk of goitre?

Accepted Answer

A) Iodization 
B) Low less of thyroid stimulating hormone 
C) Goitrogens 
D) Protein receptors 
A) Iodization 
B) Low less of thyroid stimulating hormone 
C) Goitrogens 
D) Protein receptors

Question 18

What is the primary function of iodine in the body?

Accepted Answer

A) an antioxidant,to reduce the number of free radicals 
B) a component of hemoglobin 
C) a component of thyroid hormones,which regulate metabolic rate 
D) functions in carbohydrate metabolism 
A) an antioxidant,to reduce the number of free radicals 
B) a component of hemoglobin 
C) a component of thyroid hormones,which regulate metabolic rate 
D) functions in carbohydrate metabolism

Question 19

What is the relationship between the transferrin receptor and ferritin when iron stores are low?

Accepted Answer

A) The expression of transferrin receptor increase to maximize the uptake of iron from the blood into the cells,and the expression of ferritin decrease. 
B) The expression of both the transferrin receptor and ferritin increase,to promote the uptake of iron into the cells. 
C) The expression of transferrin receptor decrease and the expression of ferritin increase so iron remains in the cell. 
D) The expression of both the transferrin receptor and ferritin decrease to maximize the amount of iron circulating in the blood. 
A) The expression of transferrin receptor increase to maximize the uptake of iron from the blood into the cells,and the expression of ferritin decrease. 
B) The expression of both the transferrin receptor and ferritin increase,to promote the uptake of iron into the cells. 
C) The expression of transferrin receptor decrease and the expression of ferritin increase so iron remains in the cell. 
D) The expression of both the transferrin receptor and ferritin decrease to maximize the amount of iron circulating in the blood.

Question 20

Which of the following is a non-heme function of iron?

Accepted Answer

A) Bone turnover 
B) Reduction of oxidative stress 
C) Keratin biosynthesis 
D) Deactivation of ATP 
A) Bone turnover 
B) Reduction of oxidative stress 
C) Keratin biosynthesis 
D) Deactivation of ATP

Exam 12: The Trace Elements

Which is NOT a functions of copper?

What is the criterion of adequacy for the AI for zinc in infants?

Which does NOT require molybdenum?

Which element is found in one form of the enzyme superoxide dismutase (SOD)?

Which of the following statements regarding zinc's function in the body is FALSE?

Which is NOT a reason a reason why salt was selected as a vehicle for added iodine?

What is a consequence of too much fluoride in drinking water?

Why are adequate intakes of iodine essential to good health? What are the characteristics of iodine deficiency?

What do arsenic,boron,nickel,silicon and vanadium have in common?

What was aprimary finding from the Brantford-Sarnia-Stratford study of water fluoridation in Canada?

What is the basis for AI for manganese?

Which statement best distinguishes between the absorption of heme and non-heme iron?

The criteria of adequacy used to establish the RDA for iron is the amount of iron required for which functions?

Which statement about overt chromium deficiency is CORRECT?

increase in the amount of iron stored in the liver Because of the use of iron supplements,a young woman is recovering from iron deficiency anemia.What is the order of changes you would expect to see as the recovery progresses?

Which statement best describes the relationship between thyroid stimulated hormone and iodine?

What increases the risk of goitre?

What is the primary function of iodine in the body?

What is the relationship between the transferrin receptor and ferritin when iron stores are low?

Which of the following is a non-heme function of iron?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

A: the Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

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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