Question 1

Selenium is the only mineral with a known antioxidant function.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following lunches would provide the MOST preformed vitamin A?

Accepted Answer

A)  a salad made with lettuce, carrots, avocado slices, and ranch dressing, and a glass of iced tea 
B)  an egg-salad sandwich and a glass of whole milk 
C)  a bowl of vegetable soup with a glass of cranberry juice 
D)  shrimp and scallions over rice with a cup of black coffee 
A)  a salad made with lettuce, carrots, avocado slices, and ranch dressing, and a glass of iced tea 
B)  an egg-salad sandwich and a glass of whole milk 
C)  a bowl of vegetable soup with a glass of cranberry juice 
D)  shrimp and scallions over rice with a cup of black coffee

Question 3

What cells enable us see in different colors?

Accepted Answer

A)  rod cells 
B)  cone cells 
C)  corneal cells 
D)  pyramid cells 
A)  rod cells 
B)  cone cells 
C)  corneal cells 
D)  pyramid cells

Question 4

Antioxidants must be consumed in our diet because our bodies cannot make them.

Accepted Answer

A) True 
 B)False

Question 5

Insufficient folate during fetal development causes the type of mental impairment known as cretinism.

Accepted Answer

A) True 
 B)False

Question 6

Iodine is naturally found in many foods and beverages.

Accepted Answer

A) True 
 B)False

Question 7

In the chemical reaction called reduction,atoms gain electrons.

Accepted Answer

A) True 
 B)False

Question 8

A toxicity of folate can disguise a deficiency of which nutrient,resulting in nerve damage?

Accepted Answer

A)  niacin 
B)  vitamin B₆ 
C)  iron 
D)  vitamin B₁₂ 
A)  niacin 
B)  vitamin B₆ 
C)  iron 
D)  vitamin B₁₂

Question 9

Cheri has been trying to conceive for the past three months.Explain why Cheri should be especially careful to consume adequate folate.

Accepted Answer

Cheri should be especially careful to co

Question 10

Which of the following is the BEST source of thiamin?

Accepted Answer

A)  a fruit salad 
B)  a baked sweet potato 
C)  a glass of milk 
D)  a bowl of whole-grain cereal 
A)  a fruit salad 
B)  a baked sweet potato 
C)  a glass of milk 
D)  a bowl of whole-grain cereal

Question 11

Which of the following is NOT a symptom of pellagra?

Accepted Answer

A)  dermatitis 
B)  diarrhea 
C)  dementia 
D)  dizziness 
A)  dermatitis 
B)  diarrhea 
C)  dementia 
D)  dizziness

Question 12

Two B-vitamins contain the major mineral sulfur.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements is FALSE regarding free radicals?

Accepted Answer

A)  Free radicals are formed as a by-product of healthy metabolism. 
B)  Our body has no mechanism to stabilize free radicals. 
C)  Exposure to pollution increases free radical production. 
D)  Many diseases, such as cancer and heart disease, are linked to free radical damage. 
A)  Free radicals are formed as a by-product of healthy metabolism. 
B)  Our body has no mechanism to stabilize free radicals. 
C)  Exposure to pollution increases free radical production. 
D)  Many diseases, such as cancer and heart disease, are linked to free radical damage.

Question 14

The B-vitamins are converted by body cells into energy.

Accepted Answer

A) True 
 B)False

Question 15

Only the retina's rod cells,and not its cone cells,require retinal.

Accepted Answer

A) True 
 B)False

Question 16

Beta-carotene is a precursor of

Accepted Answer

A)  retinol. 
B)  alpha-tocopherol. 
C)  zeaxanthin. 
D)  ascorbic acid. 
A)  retinol. 
B)  alpha-tocopherol. 
C)  zeaxanthin. 
D)  ascorbic acid.

Question 17

A chemical reaction in which atoms lose electrons is known as

Accepted Answer

A)  oxidation. 
B)  reduction. 
C)  a valence reaction. 
D)  an exchange reaction. 
A)  oxidation. 
B)  reduction. 
C)  a valence reaction. 
D)  an exchange reaction.

Question 18

Beta-carotene is

Accepted Answer

A)  an important antioxidant in the extracellular fluid. 
B)  a retinol. 
C)  an antioxidant phytochemical. 
D)  absorbed more efficiently from raw foods than from cooked foods. 
A)  an important antioxidant in the extracellular fluid. 
B)  a retinol. 
C)  an antioxidant phytochemical. 
D)  absorbed more efficiently from raw foods than from cooked foods.

Question 19

Which of the following provides more than the RDA of vitamin A?

Accepted Answer

A)  1 cup of vitamin A-fortified skim milk 
B)  1 cup of raisin bran cereal 
C)  1 cup of cooked broccoli 
D)  1 cup of cooked carrots 
A)  1 cup of vitamin A-fortified skim milk 
B)  1 cup of raisin bran cereal 
C)  1 cup of cooked broccoli 
D)  1 cup of cooked carrots

Question 20

The first B-vitamin discovered was

Accepted Answer

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

Exam 8: Nutrients Essential to Key Body Functions

Selenium is the only mineral with a known antioxidant function.

Which of the following lunches would provide the MOST preformed vitamin A?

What cells enable us see in different colors?

Antioxidants must be consumed in our diet because our bodies cannot make them.

Insufficient folate during fetal development causes the type of mental impairment known as cretinism.

Iodine is naturally found in many foods and beverages.

In the chemical reaction called reduction,atoms gain electrons.

A toxicity of folate can disguise a deficiency of which nutrient,resulting in nerve damage?

Cheri has been trying to conceive for the past three months.Explain why Cheri should be especially careful to consume adequate folate.

Which of the following is the BEST source of thiamin?

Which of the following is NOT a symptom of pellagra?

Two B-vitamins contain the major mineral sulfur.

Which of the following statements is FALSE regarding free radicals?

The B-vitamins are converted by body cells into energy.

Only the retina's rod cells,and not its cone cells,require retinal.

Beta-carotene is a precursor of

A chemical reaction in which atoms lose electrons is known as

Beta-carotene is

Which of the following provides more than the RDA of vitamin A?

The first B-vitamin discovered was

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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