Question 1

What role does soil selenium content play in Keshan Disease?

Accepted Answer

Regions with low soil contents of seleni

Question 2

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 3

What are consequences of a zinc deficient diet?

Accepted Answer

The symptoms of zinc deficienc

Question 4

Which is NOT a factor in determining the rates of iron absorption?

Accepted Answer

A) Blood glucose levels 
B) Levels of iron stores 
C) Presence of vitamin C in foods 
D) Form of iron ingested 
A) Blood glucose levels 
B) Levels of iron stores 
C) Presence of vitamin C in foods 
D) Form of iron ingested

Question 5

Which of the following is the poorest source of iodine?

Accepted Answer

A) Apricots 
B) Milk 
C) Shrimp 
D) Iodized salt 
A) Apricots 
B) Milk 
C) Shrimp 
D) Iodized salt

Question 6

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

Accepted Answer

Enhance absorption: consuming heme iron

Question 7

There is not sufficient data to establish an AI or an RDA for the element:

Accepted Answer

A) molybdenum. 
B) nickel. 
C) chromium. 
D) selenium. 
A) molybdenum. 
B) nickel. 
C) chromium. 
D) selenium.

Question 8

Iodine deficiency during childhood and adolescence has been known to cause:

Accepted Answer

A) premature baldness. 
B) impaired mental function. 
C) cancer risk in later life. 
D) sudden death. 
A) premature baldness. 
B) impaired mental function. 
C) cancer risk in later life. 
D) sudden death.

Question 9

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 10

How is iron transported in the blood?

Accepted Answer

Iron is transported

Question 11

Which of the following is NOT a good source of heme iron?

Accepted Answer

A) Beef 
B) Chicken 
C) Salmon 
D) Spinach 
A) Beef 
B) Chicken 
C) Salmon 
D) Spinach

Question 12

Iron is a component of the protein,______ that binds and transports oxygen in the bloodstream.

Accepted Answer

A) ferritin 
B) albumin 
C) hemoglobin 
D) myoglobin 
A) ferritin 
B) albumin 
C) hemoglobin 
D) myoglobin

Question 13

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

Accepted Answer

Iron deficiency is most common in women

Question 14

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

Accepted Answer

For individuals consuming adequate zinc,

Question 15

Iodine deficiency often causes an enlarged thyroid gland resulting in:

Accepted Answer

A) blockage of arteries leading to the heart. 
B) a Dowager's hump. 
C) a goiter. 
D) shortness of breath. 
A) blockage of arteries leading to the heart. 
B) a Dowager's hump. 
C) a goiter. 
D) shortness of breath.

Question 16

Of the following,_______ is (are)the best source of zinc.

Accepted Answer

A) apples 
B) refined grains 
C) chocolate 
D) red meat 
A) apples 
B) refined grains 
C) chocolate 
D) red meat

Question 17

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 18

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 19

Which statement about overt chronic chromium deficiency is correct?

Accepted Answer

A) It may in part explain the obesity epidemic in the US. 
B) It is common in the U.S.since so many processed foods are consumed. 
C) Overt chronic chromium deficiency may occur in malnourished children. 
D) Chromium deficiency results in high blood pressure and increased risk of stroke. 
A) It may in part explain the obesity epidemic in the US. 
B) It is common in the U.S.since so many processed foods are consumed. 
C) Overt chronic chromium deficiency may occur in malnourished children. 
D) Chromium deficiency results in high blood pressure and increased risk of stroke.

Question 20

Which is NOT a plentiful source of zinc?

Accepted Answer

A) Beef 
B) Refried beans 
C) Saltine crackers 
D) Yogurt 
A) Beef 
B) Refried beans 
C) Saltine crackers 
D) Yogurt

Exam 12: The Trace Elements

What role does soil selenium content play in Keshan Disease?

Zinc deficiency in Iranian and Egyptian men occurred because:

What are consequences of a zinc deficient diet?

Which is NOT a factor in determining the rates of iron absorption?

Which of the following is the poorest source of iodine?

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

There is not sufficient data to establish an AI or an RDA for the element:

Iodine deficiency during childhood and adolescence has been known to cause:

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

How is iron transported in the blood?

Which of the following is NOT a good source of heme iron?

Iron is a component of the protein,______ that binds and transports oxygen in the bloodstream.

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

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

Iodine deficiency often causes an enlarged thyroid gland resulting in:

Of the following,_______ is (are)the best source of zinc.

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

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

Which statement about overt chronic chromium deficiency is correct?

Which is NOT a plentiful source of zinc?

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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