Question 1

Why is fluoride commonly added to drinking water?

Accepted Answer

Fluoride is essential for bone and dental health.Fluoride is commonly added to drinking water in Canada because there are few food sources of fluoride and the content in water is highly variable.

Question 2

Which statement about zinc toxicity is FALSE?

Accepted Answer

A) Zinc toxicity can lower HDL cholesterol. 
B) Zinc toxicity can occur as a result of food and beverage contamination from galvanized containers. 
C) Zinc toxicity interferes with the function of iron in superoxide dismutase. 
D) Zinc toxicity can decrease immune function. 
A) Zinc toxicity can lower HDL cholesterol. 
B) Zinc toxicity can occur as a result of food and beverage contamination from galvanized containers. 
C) Zinc toxicity interferes with the function of iron in superoxide dismutase. 
D) Zinc toxicity can decrease immune function. C

Question 3

Why is leavened bread a better source of zinc than unleavened bread?

Accepted Answer

A) The yeast in leavened bread is a good source of zinc. 
B) Leavened bread is made from high-zinc whole wheat flour. 
C) The yeast in leavened bread binds copper and copper interferes with zinc absorption. 
D) The yeast in leavened bread breaks down phytate,and phytate reduces zinc's bioavailability. 
A) The yeast in leavened bread is a good source of zinc. 
B) Leavened bread is made from high-zinc whole wheat flour. 
C) The yeast in leavened bread binds copper and copper interferes with zinc absorption. 
D) The yeast in leavened bread breaks down phytate,and phytate reduces zinc's bioavailability. D

Question 4

What is a goitrogen? What are common sources?

Accepted Answer

Goitrogens are substances in f

Question 5

What are the best food sources of zinc?

Accepted Answer

Beef and crab are both excelle

Question 6

What role does zinc play in reducing the prevalence and severity of the common cold?

Accepted Answer

For individuals consuming adequate zinc,

Question 7

Why is eating food from many different locations protective against selenium deficiency?

Accepted Answer

A) It ensures that the food consumed does not all come from selenium deficient soil. 
B) It protects against metal contaminants that interfere with selenium absorption. 
C) It ensures that food consumed contains enzymes required for selenium metabolism. 
D) It protects selenoproteins from degradation. 
A) It ensures that the food consumed does not all come from selenium deficient soil. 
B) It protects against metal contaminants that interfere with selenium absorption. 
C) It ensures that food consumed contains enzymes required for selenium metabolism. 
D) It protects selenoproteins from degradation.

Question 8

Which of the following improves bioavailability?

Accepted Answer

A) Minerals bound to oxalates 
B) Complexes of tannins and trace elements 
C) Soluble salts of trace elements 
D) None of the above 
A) Minerals bound to oxalates 
B) Complexes of tannins and trace elements 
C) Soluble salts of trace elements 
D) None of the above

Question 9

What is the basis for the AI for chromium in adults?

Accepted Answer

A) Amount of chromium required to maintain normal blood glucose levels. 
B) The average intake of a healthy population. 
C) Amount of chromium in a balanced diet. 
D) Amount of chromium to maintain normal blood cholesterol levels. 
A) Amount of chromium required to maintain normal blood glucose levels. 
B) The average intake of a healthy population. 
C) Amount of chromium in a balanced diet. 
D) Amount of chromium to maintain normal blood cholesterol levels.

Question 10

"Substances that interfere with the utilization of iodine or with the function of the thyroid gland." What is being described?

Accepted Answer

A) deleterious iodine compounds. 
B) goitrogens. 
C) thyroid function abusers (TF
A) . 
D) thyroid interference aggregates. 
A) deleterious iodine compounds. 
B) goitrogens. 
C) thyroid function abusers (TF
A) . 
D) thyroid interference aggregates.

Question 11

What is a copper-containing plasma protein that converts iron to a form that can be transported and stored?

Accepted Answer

A) ceruloplasmin 
B) ferritin 
C) hemoglobin 
D) transferrin 
A) ceruloplasmin 
B) ferritin 
C) hemoglobin 
D) transferrin

Question 12

Which mineral functions to protect the body from oxidative damage and also helps synthesize thyroid hormone?

Accepted Answer

A) copper 
B) manganese 
C) selenium 
D) zinc 
A) copper 
B) manganese 
C) selenium 
D) zinc

Question 13

An inherited condition that causes individuals to absorb and accumulate too much iron.What is being described?

Accepted Answer

A) Hemochromatosis 
B) Hematocrit absorption syndrome 
C) Hyperferritosis 
D) Reverse anemia 
A) Hemochromatosis 
B) Hematocrit absorption syndrome 
C) Hyperferritosis 
D) Reverse anemia

Question 14

What caused the zinc deficiency discovered in Iranian and Egyptian men in the early 1960's?

Accepted Answer

A) their diet contained a significant amount of meat. 
B) their diet was low in zinc since local soils were low in zinc. 
C) tannins in the diet bound too much zinc,making it unavailable. 
D) phytates in the diet bound too much zinc,making it unavailable. 
A) their diet contained a significant amount of meat. 
B) their diet was low in zinc since local soils were low in zinc. 
C) tannins in the diet bound too much zinc,making it unavailable. 
D) phytates in the diet bound too much zinc,making it unavailable.

Question 15

What is your opinion on the issue?

Accepted Answer

Fluoridated water is the primary source

Question 16

Copper absorption into the blood is inhibited,when there is a high intake of which nutrient?

Accepted Answer

A) chromium 
B) fluoride 
C) iodine 
D) zinc 
A) chromium 
B) fluoride 
C) iodine 
D) zinc

Question 17

What is the name given to salt fortified with iodine?

Accepted Answer

A) iodized salt. 
B) sea salt. 
C) table salt. 
D) added salt. 
A) iodized salt. 
B) sea salt. 
C) table salt. 
D) added salt.

Question 18

What factors enhance iron absorption? What are factors that interfere with iron absorption?

Accepted Answer

Enhance absorption: consuming heme iron

Question 19

Compared to a health person what change occurs during the development of iron deficiency anemia?

Accepted Answer

A) Formation of megaloblastic and microcytic cells 
B) Reduction in serum ferritin 
C) Increased hematocrit 
D) Both a and b. 
A) Formation of megaloblastic and microcytic cells 
B) Reduction in serum ferritin 
C) Increased hematocrit 
D) Both a and b.

Question 20

Which is the effect of selenium supplements doses above the RDA?

Accepted Answer

A) to protect against environmental pollutants. 
B) to prevent heart disease. 
C) to slow the aging process. 
D) there is no effect 
A) to protect against environmental pollutants. 
B) to prevent heart disease. 
C) to slow the aging process. 
D) there is no effect

Exam 12: The Trace Elements

Why is fluoride commonly added to drinking water?

Which statement about zinc toxicity is FALSE?

Why is leavened bread a better source of zinc than unleavened bread?

What is a goitrogen? What are common sources?

What are the best food sources of zinc?

What role does zinc play in reducing the prevalence and severity of the common cold?

Why is eating food from many different locations protective against selenium deficiency?

Which of the following improves bioavailability?

What is the basis for the AI for chromium in adults?

"Substances that interfere with the utilization of iodine or with the function of the thyroid gland." What is being described?

What is a copper-containing plasma protein that converts iron to a form that can be transported and stored?

Which mineral functions to protect the body from oxidative damage and also helps synthesize thyroid hormone?

An inherited condition that causes individuals to absorb and accumulate too much iron.What is being described?

What caused the zinc deficiency discovered in Iranian and Egyptian men in the early 1960's?

What is your opinion on the issue?

Copper absorption into the blood is inhibited,when there is a high intake of which nutrient?

What is the name given to salt fortified with iodine?

What factors enhance iron absorption? What are factors that interfere with iron absorption?

Compared to a health person what change occurs during the development of iron deficiency anemia?

Which is the effect of selenium supplements doses above the RDA?

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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