Question 1

Which of the following vitamins can be made by the human body?

Accepted Answer

A) C 
B) B-12 
C) D 
D) E 
A) C 
B) B-12 
C) D 
D) E

Question 2

A researcher has isolated an organic,water-soluble chemical from roses.After performing tests,the scientist determines that the chemical supplies no energy for cells,but protects cell membranes from being damaged by certain environmental factors.Based on this information,the researcher may have discovered a (an)

Accepted Answer

A) antioxidant. 
B) amino acid. 
C) teratogen. 
D) free radical. 
A) antioxidant. 
B) amino acid. 
C) teratogen. 
D) free radical.

Question 3

Why is taking excess amounts of fat-soluble vitamins more likely to cause toxicity than taking excesses of water-soluble vitamins?

Accepted Answer

A) The body has higher requirements for water-soluble vitamins. 
B) In general,excesses of fat-soluble vitamins cannot be excreted as easily as water-soluble vitamins. 
C) The body has higher requirements for fat-soluble vitamins. 
D) In general,water-soluble vitamins are more likely to be stored in the body than fat-soluble vitamins. 
A) The body has higher requirements for water-soluble vitamins. 
B) In general,excesses of fat-soluble vitamins cannot be excreted as easily as water-soluble vitamins. 
C) The body has higher requirements for fat-soluble vitamins. 
D) In general,water-soluble vitamins are more likely to be stored in the body than fat-soluble vitamins.

Question 4

Which of the following foods is a rich dietary source of beta-carotene?

Accepted Answer

A) pumpkin pie 
B) canned salmon 
C) sliced ham 
D) baked chicken 
A) pumpkin pie 
B) canned salmon 
C) sliced ham 
D) baked chicken

Question 5

Which of the following substances enhances fat-soluble vitamin absorption in the small intestine?

Accepted Answer

A) bile 
B) hydrochloric acid 
C) pepsin 
D) pancreatic amylase 
A) bile 
B) hydrochloric acid 
C) pepsin 
D) pancreatic amylase

Question 6

Which of the following statements is true?

Accepted Answer

A) Excessive intakes of vitamin D cause rickets in children. 
B) Skin can form previtamin D after being exposed to sunlight. 
C) Pellagra is the vitamin D deficiency disorder in adults. 
D) Hair loss is the primary sign of vitamin D deficiency. 
A) Excessive intakes of vitamin D cause rickets in children. 
B) Skin can form previtamin D after being exposed to sunlight. 
C) Pellagra is the vitamin D deficiency disorder in adults. 
D) Hair loss is the primary sign of vitamin D deficiency.

Question 7

A(An)_____ is a chemically unstable substance that can damage vulnerable molecules,such as DNA.

Accepted Answer

A) intrinsic factor 
B) free radical 
C) coenzyme 
D) carotenoid 
A) intrinsic factor 
B) free radical 
C) coenzyme 
D) carotenoid

Question 8

The best way to reduce your risk of cancer is to

Accepted Answer

A) eat a variety of fruits and vegetables daily. 
B) take dietary supplements that contain vitamins C and 
C) consume a high glycemic diet. 
D) eat red and processed meats at least 3 times per week. 
A) eat a variety of fruits and vegetables daily. 
B) take dietary supplements that contain vitamins C and 
C) consume a high glycemic diet. 
D) eat red and processed meats at least 3 times per week.

Question 9

Which of the following foods is a rich source of vitamin C?

Accepted Answer

A) eggs 
B) guava 
C) chicken 
D) tuna 
A) eggs 
B) guava 
C) chicken 
D) tuna

Question 10

In the body,vitamin A helps

Accepted Answer

A) reduce collagen synthesis. 
B) insulin enter cells. 
C) maintain epithelial cells. 
D) the small intestine absorb calcium and phosphorus. 
A) reduce collagen synthesis. 
B) insulin enter cells. 
C) maintain epithelial cells. 
D) the small intestine absorb calcium and phosphorus.

Question 11

Which of the following foods is a good source of thiamin?

Accepted Answer

A) whole milk 
B) fresh spinach 
C) enriched bread 
D) iceberg lettuce 
A) whole milk 
B) fresh spinach 
C) enriched bread 
D) iceberg lettuce

Question 12

Which of the following vitamins acts as a hormone in the human body?

Accepted Answer

A) C 
B) niacin 
C) riboflavin 
D) D 
A) C 
B) niacin 
C) riboflavin 
D) D

Question 13

Humans need vitamin B-6 for

Accepted Answer

A) magnesium absorption. 
B) vitamin C synthesis. 
C) carbohydrate excretion. 
D) amino acid metabolism. 
A) magnesium absorption. 
B) vitamin C synthesis. 
C) carbohydrate excretion. 
D) amino acid metabolism.

Question 14

Exposing milk to light can reduce its _____ content.

Accepted Answer

A) thiamin 
B) riboflavin 
C) niacin 
D) vitamin D 
A) thiamin 
B) riboflavin 
C) niacin 
D) vitamin D

Question 15

Which of the following foods is a good source of vitamin B-12?

Accepted Answer

A) cheddar cheese 
B) green beans 
C) frozen corn 
D) olive oil 
A) cheddar cheese 
B) green beans 
C) frozen corn 
D) olive oil

Question 16

______ prevent or limit the ability of free radicals to damage polyunsaturated fatty acids and DNA in cells.

Accepted Answer

A) Carcinogens 
B) Coenzymes 
C) Antioxidants 
D) Megadoses 
A) Carcinogens 
B) Coenzymes 
C) Antioxidants 
D) Megadoses

Question 17

Which of the following foods is a good source of vitamin B-12?

Accepted Answer

A) raw carrots 
B) lean meats 
C) whole-wheat bread 
D) walnut oil 
A) raw carrots 
B) lean meats 
C) whole-wheat bread 
D) walnut oil

Question 18

_____ is added to refined grain products as part of the enrichment process.

Accepted Answer

A) Niacin 
B) Pantothenic acid 
C) Vitamin D 
D) Vitamin B-6 
A) Niacin 
B) Pantothenic acid 
C) Vitamin D 
D) Vitamin B-6

Question 19

Adding a small amount of _____ to cooked vegetables can enhance the intestinal tract's ability to absorb the fat-soluble vitamins they contain.

Accepted Answer

A) water 
B) wine 
C) oil 
D) sugar 
A) water 
B) wine 
C) oil 
D) sugar

Question 20

Which of the following foods is a rich source of vitamin K?

Accepted Answer

A) enriched breads 
B) spinach salad 
C) roast chicken 
D) citrus fruit 
A) enriched breads 
B) spinach salad 
C) roast chicken 
D) citrus fruit

Which of the following vitamins can be made by the human body?

Why is taking excess amounts of fat-soluble vitamins more likely to cause toxicity than taking excesses of water-soluble vitamins?

Which of the following foods is a rich dietary source of beta-carotene?

Which of the following substances enhances fat-soluble vitamin absorption in the small intestine?

Which of the following statements is true?

A(An)_____ is a chemically unstable substance that can damage vulnerable molecules,such as DNA.

The best way to reduce your risk of cancer is to

Which of the following foods is a rich source of vitamin C?

In the body,vitamin A helps

Which of the following foods is a good source of thiamin?

Which of the following vitamins acts as a hormone in the human body?

Humans need vitamin B-6 for

Exposing milk to light can reduce its _____ content.

Which of the following foods is a good source of vitamin B-12?

______ prevent or limit the ability of free radicals to damage polyunsaturated fatty acids and DNA in cells.

Which of the following foods is a good source of vitamin B-12?

_____ is added to refined grain products as part of the enrichment process.

Adding a small amount of _____ to cooked vegetables can enhance the intestinal tract's ability to absorb the fat-soluble vitamins they contain.

Which of the following foods is a rich source of vitamin K?

Food Is More Than Something to Eat

Nutrition Information: Fact or Fiction

Making More Nutritious Choices

How Food Becomes You

Carbohydrates: Fuel and Fiber

Lipids: Focusing on Fats and Cholesterol

Proteins: Lifes Building Blocks

Key Minerals,Water,and the Nonnutrient Alcohol

Nutrition for a Healthy Weight and Fit Body

Nutrition for Your Life, Environment, and World

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Exam 8: Vitamins: Nutrients That Multitask

Which of the following vitamins can be made by the human body?

Why is taking excess amounts of fat-soluble vitamins more likely to cause toxicity than taking excesses of water-soluble vitamins?

Which of the following foods is a rich dietary source of beta-carotene?

Which of the following substances enhances fat-soluble vitamin absorption in the small intestine?

Which of the following statements is true?

A(An)_____ is a chemically unstable substance that can damage vulnerable molecules,such as DNA.

The best way to reduce your risk of cancer is to

Which of the following foods is a rich source of vitamin C?

In the body,vitamin A helps

Which of the following foods is a good source of thiamin?

Which of the following vitamins acts as a hormone in the human body?

Humans need vitamin B-6 for

Exposing milk to light can reduce its _____ content.

Which of the following foods is a good source of vitamin B-12?

______ prevent or limit the ability of free radicals to damage polyunsaturated fatty acids and DNA in cells.

Which of the following foods is a good source of vitamin B-12?

_____ is added to refined grain products as part of the enrichment process.

Adding a small amount of _____ to cooked vegetables can enhance the intestinal tract's ability to absorb the fat-soluble vitamins they contain.

Which of the following foods is a rich source of vitamin K?

Food Is More Than Something to Eat

Nutrition Information: Fact or Fiction

Making More Nutritious Choices

How Food Becomes You

Carbohydrates: Fuel and Fiber

Lipids: Focusing on Fats and Cholesterol

Proteins: Lifes Building Blocks

Key Minerals,Water,and the Nonnutrient Alcohol

Nutrition for a Healthy Weight and Fit Body

Nutrition for Your Life, Environment, and World

Filters