Question 1

How can a person increase their intake of dietary iron?

Accepted Answer

The best sources of absorbable iron are read meats and organ meats such as liver and kidney.Good nonheme sources are legumes,dried fruits,leafy greens,and fortified grain products.Consuming these foods with vitamin C (e.g.orange juice)and without foods containing phytates,oxalates or polyphenols (e.g.in tea)will enhance absorption.

Question 2

What is a goitrogen? What are common sources?

Accepted Answer

Goitrogens are substances in food that interfere with the utilization of iodine or with thyroid function.Common sources include turnips,rutabaga,cabbage,cassava,and millet.

Question 3

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. B

Question 4

Why is fluoride commonly added to drinking water?

Accepted Answer

Fluoride is essential for bone and denta

Question 5

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 6

Which of the following would NOT enhance absorption of the iron found in supplements?

Accepted Answer

A) Consuming the supplement with a meal containing beef 
B) Taking it with a calcium supplement 
C) Taking the supplement with a meal containing fish 
D) Consuming it with orange juice 
A) Consuming the supplement with a meal containing beef 
B) Taking it with a calcium supplement 
C) Taking the supplement with a meal containing fish 
D) Consuming it with orange juice

Question 7

Zinc deficiency in Iranian and Egyptian men occurred because:

Accepted Answer

A) they did not eat meat. 
B) the diet was low in zinc since local soils were low in zinc. 
C) they consumed diets high in animal protein,which inhibits zinc absorption. 
D) phytates in the diet bound zinc,decreasing its bioavailability. 
A) they did not eat meat. 
B) the diet was low in zinc since local soils were low in zinc. 
C) they consumed diets high in animal protein,which inhibits zinc absorption. 
D) phytates in the diet bound zinc,decreasing its bioavailability.

Question 8

For which population groups is iron deficiency most likely? Why?

Accepted Answer

Iron deficiency is most common in women

Question 9

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 10

Which of the following is NOT a true statement?

Accepted Answer

A) Cooking in iron skillets can provide dietary iron. 
B) Vitamin C enhances iron absorption. 
C) Phytates in cereal enhance the absorption of iron. 
D) Calcium supplements decrease iron absorption. 
A) Cooking in iron skillets can provide dietary iron. 
B) Vitamin C enhances iron absorption. 
C) Phytates in cereal enhance the absorption of iron. 
D) Calcium supplements decrease iron absorption.

Question 11

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.

Question 12

What are good dietary sources of iodine?

Accepted Answer

Most of the iodine in the Nort

Question 13

____________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 14

Iodine deficiency during pregnancy may cause ____________ in the offspring.

Accepted Answer

A) cretinism 
B) neural tube defects 
C) fetal goiter syndrome 
D) hypoglycemia 
A) cretinism 
B) neural tube defects 
C) fetal goiter syndrome 
D) hypoglycemia

Question 15

The following are physiologic roles of copper EXCEPT:

Accepted Answer

A) connective tissue synthesis. 
B) maintenance of heart muscle. 
C) normal sexual development. 
D) functioning of the central nervous system. 
A) connective tissue synthesis. 
B) maintenance of heart muscle. 
C) normal sexual development. 
D) functioning of the central nervous system.

Question 16

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

Accepted Answer

Enhance absorption: consuming heme iron

Question 17

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 18

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 19

Which of the following statements about Keshan disease is FALSE?

Accepted Answer

A) A virus appears to be involved. 
B) It causes an enlarged heart and poor heart function. 
C) Middle aged men are most at risk. 
D) Keshan disease occurred in areas of China where soil selenium is very low. 
A) A virus appears to be involved. 
B) It causes an enlarged heart and poor heart function. 
C) Middle aged men are most at risk. 
D) Keshan disease occurred in areas of China where soil selenium is very low.

Question 20

What are consequences of a zinc deficient diet?

Accepted Answer

The symptoms of zinc deficienc

Exam 12: The Trace Minerals

How can a person increase their intake of dietary iron?

What is a goitrogen? What are common sources?

Of the following,the best source of chromium is:

Why is fluoride commonly added to drinking water?

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

Which of the following would NOT enhance absorption of the iron found in supplements?

Zinc deficiency in Iranian and Egyptian men occurred because:

For which population groups is iron deficiency most likely? Why?

Which of the following statements is true regarding copper absorption?

Which of the following is NOT a true statement?

Which statement about chromium supplementation is the most accurate?

What are good dietary sources of iodine?

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

Iodine deficiency during pregnancy may cause ____________ in the offspring.

The following are physiologic roles of copper EXCEPT:

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

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

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

Which of the following statements about Keshan disease is FALSE?

What are consequences of a zinc deficient diet?

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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