Question 1

High intakes of zinc stimulate the synthesis of _____________ in the mucosal cells.

Accepted Answer

A) ferritin 
B) metallothionein 
C) transferrin 
D) zinc oxide dismutase 
A) ferritin 
B) metallothionein 
C) transferrin 
D) zinc oxide dismutase B

Question 2

How iron levels maintained in the body?

Accepted Answer

Since no regulated excretory system exists,body iron levels are controlled by intestinal absorption.When body iron stores decrease,iron absorption increases and when iron stores are high it decreases.

Question 3

Which statement about chromium supplementation is the most accurate?

Accepted Answer

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

Question 4

Of the following,the best source of chromium is:

Accepted Answer

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

Question 5

Most of the fluoride in the U.S.comes from:

Accepted Answer

A) drinking water and toothpaste. 
B) dark green and yellow vegetables. 
C) tea. 
D) seafood and treated salt. 
A) drinking water and toothpaste. 
B) dark green and yellow vegetables. 
C) tea. 
D) seafood and treated salt.

Question 6

Which statement regarding antioxidant supplements is FALSE?

Accepted Answer

A) Some antioxidant supplements can actually enhance oxidation. 
B) The optimum dose of each antioxidant is unknown. 
C) Supplements cannot replace the benefits of eating antioxidant-rich foods. 
D) Antioxidant enzyme supplements have been shown to boost defenses. 
A) Some antioxidant supplements can actually enhance oxidation. 
B) The optimum dose of each antioxidant is unknown. 
C) Supplements cannot replace the benefits of eating antioxidant-rich foods. 
D) Antioxidant enzyme supplements have been shown to boost defenses.

Question 7

Which statement is FALSE regarding the function of zinc in the body?

Accepted Answer

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

Question 8

The richest source(s)of copper in the diet is (are):

Accepted Answer

A) organ meats such as liver and kidney. 
B) brewer's yeast. 
C) avocados. 
D) chicken and turkey. 
A) organ meats such as liver and kidney. 
B) brewer's yeast. 
C) avocados. 
D) chicken and turkey.

Question 9

Which of the following is an excellent source of selenium?

Accepted Answer

A) Salmon 
B) Kiwi 
C) Potato 
D) Drinking water 
A) Salmon 
B) Kiwi 
C) Potato 
D) Drinking water

Question 10

Which statement about fluoride is FALSE?

Accepted Answer

A) Fluoride is poorly absorbed,with only ~20% transported across the intestine. 
B) Calcium containing foods decrease fluoride absorption. 
C) Fluoridated water typically contains 0.7-1.2 ppm fluoride. 
D) Fluoride has the greatest effect on caries prevention before age 13. 
A) Fluoride is poorly absorbed,with only ~20% transported across the intestine. 
B) Calcium containing foods decrease fluoride absorption. 
C) Fluoridated water typically contains 0.7-1.2 ppm fluoride. 
D) Fluoride has the greatest effect on caries prevention before age 13.

Question 11

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 12

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 13

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

Accepted Answer

Fluoridation of water has the

Question 14

Which statement about zinc toxicity is FALSE?

Accepted Answer

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

Question 15

What are the best food sources of zinc?

Accepted Answer

Beef and crab are both excelle

Question 16

Chromium is thought to work by:

Accepted Answer

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

Question 17

What role does chromium play in the body?

Accepted Answer

Chromium is involved in carboh

Question 18

Substances that interfere with the utilization of iodine or with the function of the thyroid gland are called:

Accepted Answer

A) thyroxin interference aggregates. 
B) goitrogens. 
C) homeostatic decoupling agents. 
D) cretinoids. 
A) thyroxin interference aggregates. 
B) goitrogens. 
C) homeostatic decoupling agents. 
D) cretinoids.

Question 19

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 20

The symptoms of zinc deficiency include all of the following EXCEPT:

Accepted Answer

A) hair loss. 
B) impaired reproduction. 
C) anemia. 
D) reduced immune function. 
A) hair loss. 
B) impaired reproduction. 
C) anemia. 
D) reduced immune function.

Exam 12: The Trace Elements

High intakes of zinc stimulate the synthesis of _____________ in the mucosal cells.

How iron levels maintained in the body?

Which statement about chromium supplementation is the most accurate?

Of the following,the best source of chromium is:

Most of the fluoride in the U.S.comes from:

Which statement regarding antioxidant supplements is FALSE?

Which statement is FALSE regarding the function of zinc in the body?

The richest source(s)of copper in the diet is (are):

Which of the following is an excellent source of selenium?

Which statement about fluoride is FALSE?

Excess fluoride consumption may cause:

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

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

Which statement about zinc toxicity is FALSE?

What are the best food sources of zinc?

Chromium is thought to work by:

What role does chromium play in the body?

Substances that interfere with the utilization of iodine or with the function of the thyroid gland are called:

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?

The symptoms of zinc deficiency include all of the following 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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