Question 1

In an atom,the electrons orbiting around the nucleus have what kind of a charge?

Accepted Answer

A)  positive 
B)  negative 
C)  equal 
D)  neutral 
A)  positive 
B)  negative 
C)  equal 
D)  neutral

Question 2

Ninety percent of the vitamin A we absorb is stored in adipose tissue.

Accepted Answer

A) True 
 B)False

Question 3

People who consume large amounts of raw eggs are susceptible to biotin deficiency.

Accepted Answer

A) True 
 B)False

Question 4

Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

Accepted Answer

A)  vitamin B₆ 
B)  vitamin B₁₂ 
C)  vitamin C 
D)  folate 
A)  vitamin B₆ 
B)  vitamin B₁₂ 
C)  vitamin C 
D)  folate

Question 5

To consume the highest level of vitamin E,what should Hari spread on his toast?

Accepted Answer

A)  honey 
B)  butter 
C)  cream cheese 
D)  peanut butter 
A)  honey 
B)  butter 
C)  cream cheese 
D)  peanut butter

Question 6

Explain the link between the increasing worldwide adoption of the practice of iodization of table salt and the decreasing worldwide prevalence of goiter and cretinism.

Accepted Answer

The increasing worldwide adoption of the

Question 7

Vitamin E deficiencies are common in people in developing nations.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements is FALSE regarding the mineral selenium?

Accepted Answer

A)  Most selenium in our bodies is contained within two amino acids. 
B)  Selenium is involved in the maintenance of basal metabolism and body temperature. 
C)  Selenium is present only in foods of animal origin. 
D)  Selenium is a component of the glutathione peroxidase antioxidant enzyme system. 
A)  Most selenium in our bodies is contained within two amino acids. 
B)  Selenium is involved in the maintenance of basal metabolism and body temperature. 
C)  Selenium is present only in foods of animal origin. 
D)  Selenium is a component of the glutathione peroxidase antioxidant enzyme system.

Question 9

Acetylcholine is a vitamin-like nutrient important in metabolism.

Accepted Answer

A) True 
 B)False

Question 10

Which of these micronutrients is destroyed by exposure to light?

Accepted Answer

A)  riboflavin 
B)  iron 
C)  iodine 
D)  vitamin D 
A)  riboflavin 
B)  iron 
C)  iodine 
D)  vitamin D

Question 11

Which vitamin can be made from the amino acid tryptophan?

Accepted Answer

A)  niacin 
B)  vitamin C 
C)  folate 
D)  vitamin B₁₂ 
A)  niacin 
B)  vitamin C 
C)  folate 
D)  vitamin B₁₂

Question 12

There is neither an RDA or an AI for

Accepted Answer

A)  choline. 
B)  manganese. 
C)  sulfur. 
D)  chromium. 
A)  choline. 
B)  manganese. 
C)  sulfur. 
D)  chromium.

Question 13

Research suggests that vitamin C supplements taken daily will reduce the incidence of the common cold.

Accepted Answer

A) True 
 B)False

Question 14

A lack of dietary iodine during pregnancy is the primary cause of which of the following medical conditions,worldwide?

Accepted Answer

A)  goiters 
B)  neural tube defects 
C)  anemia 
D)  cretinism 
A)  goiters 
B)  neural tube defects 
C)  anemia 
D)  cretinism

Question 15

A free radical is highly unstable because it has an unpaired electron in its outermost shell.

Accepted Answer

A) True 
 B)False

Question 16

Neural tube defects typically occur before a woman even knows she is pregnant.

Accepted Answer

A) True 
 B)False

Question 17

A deficiency of thiamin leads to the development of pellagra.

Accepted Answer

A) True 
 B)False

Question 18

Define coenzymes and describe their primary functions.Give two examples of how the B-vitamins act as coenzymes during energy metabolism.

Accepted Answer

Coenzymes are organic molecules that wor

Question 19

Vitamin A plays an essential role in the human body in

Accepted Answer

A)  preventing acne. 
B)  acting as an antioxidant and scavenging free radicals. 
C)  protecting polyunsaturated fatty acids (PUFAs) from oxidation. 
D)  maintaining healthy vision. 
A)  preventing acne. 
B)  acting as an antioxidant and scavenging free radicals. 
C)  protecting polyunsaturated fatty acids (PUFAs) from oxidation. 
D)  maintaining healthy vision.

Question 20

Free radicals

Accepted Answer

A)  have an even number of electrons in their outermost shell. 
B)  are rarely formed during normal cellular metabolism. 
C)  can extend the life of body cells. 
D)  can damage the integrity of cell membranes. 
A)  have an even number of electrons in their outermost shell. 
B)  are rarely formed during normal cellular metabolism. 
C)  can extend the life of body cells. 
D)  can damage the integrity of cell membranes.

Exam 8: Nutrients Essential to Key Body Functions

In an atom,the electrons orbiting around the nucleus have what kind of a charge?

Ninety percent of the vitamin A we absorb is stored in adipose tissue.

People who consume large amounts of raw eggs are susceptible to biotin deficiency.

Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

To consume the highest level of vitamin E,what should Hari spread on his toast?

Explain the link between the increasing worldwide adoption of the practice of iodization of table salt and the decreasing worldwide prevalence of goiter and cretinism.

Vitamin E deficiencies are common in people in developing nations.

Which of the following statements is FALSE regarding the mineral selenium?

Acetylcholine is a vitamin-like nutrient important in metabolism.

Which of these micronutrients is destroyed by exposure to light?

Which vitamin can be made from the amino acid tryptophan?

There is neither an RDA or an AI for

Research suggests that vitamin C supplements taken daily will reduce the incidence of the common cold.

A lack of dietary iodine during pregnancy is the primary cause of which of the following medical conditions,worldwide?

A free radical is highly unstable because it has an unpaired electron in its outermost shell.

Neural tube defects typically occur before a woman even knows she is pregnant.

A deficiency of thiamin leads to the development of pellagra.

Define coenzymes and describe their primary functions.Give two examples of how the B-vitamins act as coenzymes during energy metabolism.

Vitamin A plays an essential role in the human body in

Free radicals

Nutrition: Linking Food and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Essential to Healthy Tissues

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Protecting Our Food

Food Equity,Sustainability,and Quality: The Challenge of Good Food

Nutrition Through the Lifecycle: Pregnancy and the First Year of Life

Nutrition Through the Lifecycle: Childhood to Late Adulthood

New Frontiers in Nutrition and Health

Healthful Eating Patterns

Disorders Related to Specific Foods

Diabetes

Cardiovascular Disease

Vitamins and Minerals: Micronutrients With Macro Powers

Alcohol

Cancer

Osteoporosis

Obesity

Disorders Related to Body Image, Eating, and Exercise

The Safety and Effectiveness of Dietary Supplements

Malnutrition

The Fetal Environment

Searching for the Fountain of Youth

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