Question 1

The primary role of iodine in the body is:

Accepted Answer

A) as an antioxidant. 
B) as a cofactor in hemoglobin synthesis. 
C) as a component of thyroid hormones. 
D) participation in carbohydrate metabolism 
A) as an antioxidant. 
B) as a cofactor in hemoglobin synthesis. 
C) as a component of thyroid hormones. 
D) participation in carbohydrate metabolism

Question 2

Iron stores that are higher than normal but not at a toxic level may be associated with:

Accepted Answer

A) an increased risk of cancer and heart disease. 
B) hyper-hemoglobinemia. 
C) an improved immune system. 
D) increased stamina and endurance. 
A) an increased risk of cancer and heart disease. 
B) hyper-hemoglobinemia. 
C) an improved immune system. 
D) increased stamina and endurance.

Question 3

Marginal chromium deficiency has been linked to:

Accepted Answer

A) breast cancer. 
B) polio. 
C) strokes. 
D) type 2 diabetes. 
A) breast cancer. 
B) polio. 
C) strokes. 
D) type 2 diabetes.

Question 4

What role does chromium play in the body?

Accepted Answer

Chromium is involved in carboh

Question 5

Proteins containing selenium as a component of their amino acids are called:

Accepted Answer

A) glutathione peroxidases. 
B) selenoenzymes. 
C) selenoproteins. 
D) superoxide dismutases. 
A) glutathione peroxidases. 
B) selenoenzymes. 
C) selenoproteins. 
D) superoxide dismutases.

Question 6

Identify the most accurate statement regarding copper.

Accepted Answer

A) Copper deficiency usually causes iron-deficiency anemia. 
B) Copper deficiency may result in zinc deficiency. 
C) High copper intake can cause osteoporosis. 
D) Copper excess may cause changes in hair color. 
A) Copper deficiency usually causes iron-deficiency anemia. 
B) Copper deficiency may result in zinc deficiency. 
C) High copper intake can cause osteoporosis. 
D) Copper excess may cause changes in hair color.

Question 7

What is the role of selenium in Keshan disease?

Accepted Answer

Keshan disease has been linked

Question 8

The trace minerals are difficult to study in humans because:

Accepted Answer

A) some of them are required in such small amounts that environmental contamination can obscure experimental results. 
B) they are so small,they are difficult to identify. 
C) they are required in such small amounts that deficiencies do not occur. 
D) biological tests are imprecise. 
A) some of them are required in such small amounts that environmental contamination can obscure experimental results. 
B) they are so small,they are difficult to identify. 
C) they are required in such small amounts that deficiencies do not occur. 
D) biological tests are imprecise.

Question 9

The water supply in the small city where you live is not fluoridated.There is an initiative on an upcoming ballot to add fluoride in small amounts to the water in order to decrease dental caries.What is your opinion on the issue?

Accepted Answer

Fluoridated water is the primary source

Question 10

What role does soil selenium content play in Keshan Disease?

Accepted Answer

Regions with low soil contents of seleni

Question 11

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

Accepted Answer

For individuals consuming adequate zinc,

Question 12

What factors influence copper absorption into the body?

Accepted Answer

Copper absorption is reduced b

Question 13

Excess fluoride consumption may cause:

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 14

Which statement about manganese toxicity is FALSE?

Accepted Answer

A) Toxic levels can occur in mineworkers exposed to manganese dust. 
B) Manganese toxicity damages the nervous system. 
C) Manganese toxicity is not the result of eating manganese-containing foods. 
D) Manganese toxicity is a common cause of birth defects. 
A) Toxic levels can occur in mineworkers exposed to manganese dust. 
B) Manganese toxicity damages the nervous system. 
C) Manganese toxicity is not the result of eating manganese-containing foods. 
D) Manganese toxicity is a common cause of birth defects.

Question 15

_______________ is an inherited condition that causes individuals to absorb and accumulate too much iron.

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 16

How is iron transported in the blood?

Accepted Answer

Iron is transported

Question 17

When the intake of __________ is high,copper absorption into the blood is inhibited.

Accepted Answer

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

Question 18

___________ is a component of the antioxidant enzyme gluthathione peroxidase.

Accepted Answer

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

Question 19

A low selenium diet has been most highly associated with:

Accepted Answer

A) arthritis. 
B) cancer. 
C) dementia. 
D) diabetes. 
A) arthritis. 
B) cancer. 
C) dementia. 
D) diabetes.

Question 20

What role does chromium play in glucose uptake into cells?

Accepted Answer

Chromium enhances the activity of insuli

Exam 12: The Trace Minerals

The primary role of iodine in the body is:

Iron stores that are higher than normal but not at a toxic level may be associated with:

Marginal chromium deficiency has been linked to:

What role does chromium play in the body?

Proteins containing selenium as a component of their amino acids are called:

Identify the most accurate statement regarding copper.

What is the role of selenium in Keshan disease?

The trace minerals are difficult to study in humans because:

The water supply in the small city where you live is not fluoridated.There is an initiative on an upcoming ballot to add fluoride in small amounts to the water in order to decrease dental caries.What is your opinion on the issue?

What role does soil selenium content play in Keshan Disease?

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

What factors influence copper absorption into the body?

Excess fluoride consumption may cause:

Which statement about manganese toxicity is FALSE?

_______________ is an inherited condition that causes individuals to absorb and accumulate too much iron.

How is iron transported in the blood?

When the intake of __________ is high,copper absorption into the blood is inhibited.

___________ is a component of the antioxidant enzyme gluthathione peroxidase.

A low selenium diet has been most highly associated with:

What role does chromium play in glucose uptake into cells?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, absorption, and Metabolism

Carbohydrates: Sugars, starches, and Fiber

Lipids: Triglycerides, phospholipids, and Cholesterol

Proteins and Amino Acids

Energy Balance and Weight Management

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 On Alcohol

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Nonvitamin/Nonmineral Supplements

Focus on Biotechnology

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