Question 1

Which population groups would benefit the most from fluoridation of the water? Why?

Accepted Answer

Fluoridation of water has the

Question 2

Why does zinc deficiency produce symptoms of vitamin A deficiency?

Accepted Answer

A) Zinc deficiency and vitamin A deficiency are unrelated. 
B) Zinc is must bind to opsin to create rhodopsin. 
C) Zinc binds to mRNA promoting the translation of proteins and these proteins are regulated by vitamin A 
D) Vitamin A binds to a protein receptor that requires zinc fingers to bind to DNA. 
A) Zinc deficiency and vitamin A deficiency are unrelated. 
B) Zinc is must bind to opsin to create rhodopsin. 
C) Zinc binds to mRNA promoting the translation of proteins and these proteins are regulated by vitamin A 
D) Vitamin A binds to a protein receptor that requires zinc fingers to bind to DNA.

Question 3

Which statement about chromium supplementation is TRUE?

Accepted Answer

A) Chromium supplementation may improve the symptoms of those with type 2 diabetes. 
B) Chromium supplementation increases lean body mass. 
C) Chromium supplementation leads to weight loss. 
D) Chromium supplementation improves athletic performance. 
A) Chromium supplementation may improve the symptoms of those with type 2 diabetes. 
B) Chromium supplementation increases lean body mass. 
C) Chromium supplementation leads to weight loss. 
D) Chromium supplementation improves athletic performance.

Question 4

Which of the following types of foods is NOT fortified with zinc??

Accepted Answer

A) simulated meat 
B) dairy products 
C) breakfast cereal 
D) beverages derived from legumes 
A) simulated meat 
B) dairy products 
C) breakfast cereal 
D) beverages derived from legumes

Question 5

Why are people who consume locally grown food more vulnerable to trace element deficiencies than those who consume food from many locations?

Accepted Answer

A) Food prices might limit the ability of people to buy nutritious foods. 
B) Nutrient content declines when food is transported over long distances. 
C) The trace element content of local soil might influence whether there is enough of a mineral in the food supply. 
D) Local food is more vulnerable to spoilage and microbial contamination. 
A) Food prices might limit the ability of people to buy nutritious foods. 
B) Nutrient content declines when food is transported over long distances. 
C) The trace element content of local soil might influence whether there is enough of a mineral in the food supply. 
D) Local food is more vulnerable to spoilage and microbial contamination.

Question 6

Why is it especially important for trace elements to have a high level of bioavailability?

Accepted Answer

A) Because very small amounts are found in the diet. 
B) Because very small amounts are required by the body 
C) Because there are no known interactions between trace elements,that might limit absorption. 
D) Because they are no known interactions between the trace elements and organic components,that limit absorption. 
A) Because very small amounts are found in the diet. 
B) Because very small amounts are required by the body 
C) Because there are no known interactions between trace elements,that might limit absorption. 
D) Because they are no known interactions between the trace elements and organic components,that limit absorption.

Question 7

How can individuals increase their intake of dietary iron?

Accepted Answer

The best sources of absorbable

Question 8

Copper deficiency is most likely to occur in which population?

Accepted Answer

A) pre-term infants. 
B) children aged 1-3. 
C) adolescents. 
D) the elderly. 
A) pre-term infants. 
B) children aged 1-3. 
C) adolescents. 
D) the elderly.

Question 9

When zinc intake is high what happens to the expression of zinc transport proteins and metallothionein?

Accepted Answer

A) decreased expression of transporters that move zinc from the mucosal cell into the lumen and decreased expression of metallothionein,reducing the amount of zinc that moves from the mucosal cell into the blood 
B) increased expression of transporters that move zinc from the lumen into the mucosal cells and increased expression of metallothionein,reducing the amount of zinc that moves from the mucosal cell into the blood. 
C) Decreased expression of transporters that move zinc from the mucosal cell into the lumen and increased expression of metallothionein,increaseing the amount of zinc that moves from the mucosal cell into the blood. 
D) increased expression of transporters that move zinc from the mucosal cell into the lumen and decreased expression of metallothionein,reducing the amount of zinc that moves from the mucosal cell into the blood. 
A) decreased expression of transporters that move zinc from the mucosal cell into the lumen and decreased expression of metallothionein,reducing the amount of zinc that moves from the mucosal cell into the blood 
B) increased expression of transporters that move zinc from the lumen into the mucosal cells and increased expression of metallothionein,reducing the amount of zinc that moves from the mucosal cell into the blood. 
C) Decreased expression of transporters that move zinc from the mucosal cell into the lumen and increased expression of metallothionein,increaseing the amount of zinc that moves from the mucosal cell into the blood. 
D) increased expression of transporters that move zinc from the mucosal cell into the lumen and decreased expression of metallothionein,reducing the amount of zinc that moves from the mucosal cell into the blood.

Question 10

Which statement(s)about zinc and the common cold are correct?

Accepted Answer

A) Research suggests that zinc may reduce the duration and severity of a cold. 
B) Zinc must be consumed in a lozenge so that there is contact between zinc and the cells of the throat and nose. 
C) Zinc prevents the cold virus from binding to cells. 
D) All of the above. 
A) Research suggests that zinc may reduce the duration and severity of a cold. 
B) Zinc must be consumed in a lozenge so that there is contact between zinc and the cells of the throat and nose. 
C) Zinc prevents the cold virus from binding to cells. 
D) All of the above.

Question 11

If the initiative does not pass and fluoride is not added to the drinking water,what are other means by which the dental health of children in the community could be protected?

Accepted Answer

The Canadian Paediatric Society suggests

Question 12

Manganese is required for the functioning of which protein?

Accepted Answer

A) superoxide dismutase in the mitochondria 
B) superoxide dismutase in the cytosol 
C) ceruloplasmin 
D) glutathione peroxide. 
A) superoxide dismutase in the mitochondria 
B) superoxide dismutase in the cytosol 
C) ceruloplasmin 
D) glutathione peroxide.

Question 13

What is the basis for the AI for fluoride?

Accepted Answer

A) The amount that reduces dental caries without side effects. 
B) The amount that maintain bone health. 
C) The amount that prevent Colorado brown stain. 
D) The amount that stimulates saliva flow. 
A) The amount that reduces dental caries without side effects. 
B) The amount that maintain bone health. 
C) The amount that prevent Colorado brown stain. 
D) The amount that stimulates saliva flow.

Question 14

Which are the best dietary sources of manganese?

Accepted Answer

A) fruits and vegetables. 
B) nuts and whole grains. 
C) meats. 
D) dairy products. 
A) fruits and vegetables. 
B) nuts and whole grains. 
C) meats. 
D) dairy products.

Question 15

How does chromium function in the body?

Accepted Answer

A) by binding to insulin. 
B) by slowing the absorption of glucose. 
C) by binding to the insulin receptor. 
D) by stimulating the pancreas. 
A) by binding to insulin. 
B) by slowing the absorption of glucose. 
C) by binding to the insulin receptor. 
D) by stimulating the pancreas.

Question 16

Which of the following statements regarding iron loss is TRUE?

Accepted Answer

A) When red blood cells die,the iron in the cells is excreted. 
B) Most loss of iron from the body is associated with loss of blood. 
C) There is significant loss of iron through the urinary tract. 
D) Iron from red blood cells binds to calcium and is excreted in bile. 
A) When red blood cells die,the iron in the cells is excreted. 
B) Most loss of iron from the body is associated with loss of blood. 
C) There is significant loss of iron through the urinary tract. 
D) Iron from red blood cells binds to calcium and is excreted in bile.

Question 17

Which of the following sentences about iron requirements is TRUE?

Accepted Answer

A) The RDA for young adult women is higher than the RDA for young adult men. 
B) The RDA is the same for adolescent males and females. 
C) Iron requirements increase after menopause. 
D) Babies should not be fed iron containing formulas because of the risk of toxicity. 
A) The RDA for young adult women is higher than the RDA for young adult men. 
B) The RDA is the same for adolescent males and females. 
C) Iron requirements increase after menopause. 
D) Babies should not be fed iron containing formulas because of the risk of toxicity.

Question 18

Which is the best source of chromium?

Accepted Answer

A) dairy. 
B) whole grains. 
C) vegetables. 
D) fruits. 
A) dairy. 
B) whole grains. 
C) vegetables. 
D) fruits.

Question 19

What are good dietary sources of iodine?

Accepted Answer

Most of the iodine in the Nort

Question 20

Which mineral is a component of gluthathione peroxidase,which helps destroy free radicals?

Accepted Answer

A) Molybdenum 
B) Nickel 
C) Selenium 
D) Boron 
A) Molybdenum 
B) Nickel 
C) Selenium 
D) Boron

Exam 12: The Trace Elements

Which population groups would benefit the most from fluoridation of the water? Why?

Why does zinc deficiency produce symptoms of vitamin A deficiency?

Which statement about chromium supplementation is TRUE?

Which of the following types of foods is NOT fortified with zinc??

Why are people who consume locally grown food more vulnerable to trace element deficiencies than those who consume food from many locations?

Why is it especially important for trace elements to have a high level of bioavailability?

How can individuals increase their intake of dietary iron?

Copper deficiency is most likely to occur in which population?

When zinc intake is high what happens to the expression of zinc transport proteins and metallothionein?

Which statement(s)about zinc and the common cold are correct?

If the initiative does not pass and fluoride is not added to the drinking water,what are other means by which the dental health of children in the community could be protected?

Manganese is required for the functioning of which protein?

What is the basis for the AI for fluoride?

Which are the best dietary sources of manganese?

How does chromium function in the body?

Which of the following statements regarding iron loss is TRUE?

Which of the following sentences about iron requirements is TRUE?

Which is the best source of chromium?

What are good dietary sources of iodine?

Which mineral is a component of gluthathione peroxidase,which helps destroy free radicals?

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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