Question 1

What role does chromium play in glucose uptake into cells?

Accepted Answer

Chromium enhances the activity of insuli

Question 2

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

Accepted Answer

Iodine is needed for synthesis of thyroi

Question 3

What are good dietary sources of iodine?

Accepted Answer

Most of the iodine in the Nort

Question 4

Fluoride has shown to be most effective in preventing:

Accepted Answer

A) colon cancer. 
B) dental caries. 
C) osteomalacia. 
D) obesity. 
A) colon cancer. 
B) dental caries. 
C) osteomalacia. 
D) obesity.

Question 5

Which of the following is a true statement about iron requirements?

Accepted Answer

A) The RDA for young adult women is higher than the RDA young adult men. 
B) For adolescents 14 to 18 years-of-age,the RDA is the same for 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 young adult men. 
B) For adolescents 14 to 18 years-of-age,the RDA is the same for 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 6

____________is needed to activate enzymes and in the production of uric acid.

Accepted Answer

A) Chromium 
B) Molybdenum 
C) Selenium 
D) Zinc 
A) Chromium 
B) Molybdenum 
C) Selenium 
D) Zinc

Question 7

Which mineral protects against 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 8

Lack of which trace element is the most common nutritional deficiency worldwide?

Accepted Answer

A) Copper 
B) Zinc 
C) Iron 
D) Iodine 
A) Copper 
B) Zinc 
C) Iron 
D) Iodine

Question 9

What are common physiologic functions of manganese?

Accepted Answer

Manganese-containing enzymes are involve

Question 10

___________ is not a component of an antioxidant enzyme.

Accepted Answer

A) Copper 
B) Iodine 
C) Selenium 
D) Zinc 
A) Copper 
B) Iodine 
C) Selenium 
D) Zinc

Question 11

In most people,taking selenium supplements to increase intake over the RDA:

Accepted Answer

A) will protect against environmental pollutants. 
B) will prevent heart disease. 
C) will not provide any additional benefits. 
D) will slow the aging process. 
A) will protect against environmental pollutants. 
B) will prevent heart disease. 
C) will not provide any additional benefits. 
D) will slow the aging process.

Question 12

The poorest source of fluoride among the following is:

Accepted Answer

A) toothpaste. 
B) foods cooked with Teflon. 
C) tea. 
D) pork. 
A) toothpaste. 
B) foods cooked with Teflon. 
C) tea. 
D) pork.

Question 13

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 14

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 15

Which of the following 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 16

The best dietary sources of manganese are:

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 17

Copper deficiency is most likely to occur in:

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 18

How can a person increase their intake of dietary iron?

Accepted Answer

The best sources of absorbable iron are

Question 19

Which of the following statements is true regarding copper absorption?

Accepted Answer

A) Zinc promotes the absorption of copper. 
B) About 80% of copper is absorbed. 
C) Vitamin C enhances copper absorption. 
D) By inhibiting zinc absorption,phytates may enhance the copper absorption. 
A) Zinc promotes the absorption of copper. 
B) About 80% of copper is absorbed. 
C) Vitamin C enhances copper absorption. 
D) By inhibiting zinc absorption,phytates may enhance the copper absorption.

Question 20

All of the following are adequate sources of nonheme iron EXCEPT:

Accepted Answer

A) apples. 
B) enriched white rice. 
C) garbanzo beans. 
D) spinach. 
A) apples. 
B) enriched white rice. 
C) garbanzo beans. 
D) spinach.

Exam 12: The Trace Elements

What role does chromium play in glucose uptake into cells?

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

What are good dietary sources of iodine?

Fluoride has shown to be most effective in preventing:

Which of the following is a true statement about iron requirements?

____________is needed to activate enzymes and in the production of uric acid.

Which mineral protects against oxidative damage and also helps synthesize thyroid hormone?

Lack of which trace element is the most common nutritional deficiency worldwide?

What are common physiologic functions of manganese?

___________ is not a component of an antioxidant enzyme.

In most people,taking selenium supplements to increase intake over the RDA:

The poorest source of fluoride among the following is:

The trace minerals are difficult to study in humans because:

The primary role of iodine in the body is:

Which of the following is a copper-containing plasma protein that converts iron to a form that can be transported and stored?

The best dietary sources of manganese are:

Copper deficiency is most likely to occur in:

How can a person increase their intake of dietary iron?

Which of the following statements is true regarding copper absorption?

All of the following are adequate sources of nonheme iron EXCEPT:

Nutrition: Food for Health

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

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 Biotechnology

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Supplements

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