Question 1

Which of the following vitamins does not play a direct role in energy metabolism?

Accepted Answer

A) Vitamin B-12 
B) Pantothenic acid 
C) Niacin 
D) Thiamin 
A) Vitamin B-12 
B) Pantothenic acid 
C) Niacin 
D) Thiamin

Question 2

An _____ is a substance that protects vulnerable molecules from free radicals.

Accepted Answer

A) ion 
B) oncogene 
C) enzyme 
D) antioxidant 
A) ion 
B) oncogene 
C) enzyme 
D) antioxidant

Question 3

Libby wants to have a birthday party for her 5-year old daughter and several of the child's friends.She plans to serve cake,ice cream,and milk to the children in the backyard on a warm sunny afternoon.To conserve vitamins in the milk,Libby should

Accepted Answer

A) serve the milk in a clear glass container. 
B) store the milk in the refrigerator until serving time. 
C) heat the milk to the boiling point,and let it cool before serving it. 
D) add a teaspoon of baking soda and chocolate syrup to it. 
A) serve the milk in a clear glass container. 
B) store the milk in the refrigerator until serving time. 
C) heat the milk to the boiling point,and let it cool before serving it. 
D) add a teaspoon of baking soda and chocolate syrup to it.

Question 4

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

Accepted Answer

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

Question 5

Which of the following vitamins plays a direct role in energy metabolism?

Accepted Answer

A) Riboflavin 
B) Vitamin C 
C) Vitamin K 
D) Vitamin A 
A) Riboflavin 
B) Vitamin C 
C) Vitamin K 
D) Vitamin A

Question 6

Vitamin D helps the body absorb

Accepted Answer

A) sodium and potassium. 
B) magnesium and iodine. 
C) phosphorus and calcium. 
D) iron and copper. 
A) sodium and potassium. 
B) magnesium and iodine. 
C) phosphorus and calcium. 
D) iron and copper.

Question 7

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

Accepted Answer

A) D 
B) C 
C) B-12 
D) Thiamin 
A) D 
B) C 
C) B-12 
D) Thiamin

Question 8

Megadoses of ____ may be used to reduce elevated LDL cholesterol levels.

Accepted Answer

A) biotin 
B) thiamin 
C) nicotinic acid 
D) vitamin K 
A) biotin 
B) thiamin 
C) nicotinic acid 
D) vitamin K

Question 9

Exposing milk to light can reduce its _____ content.

Accepted Answer

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

Question 10

Green leafy vegetables and orange juice are rich sources of

Accepted Answer

A) thiamin. 
B) folate. 
C) vitamin B-12. 
D) iron. 
A) thiamin. 
B) folate. 
C) vitamin B-12. 
D) iron.

Question 11

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

Accepted Answer

A) Grapefruit juice 
B) Whole-wheat crackers 
C) Fat-free milk 
D) Broccoli 
A) Grapefruit juice 
B) Whole-wheat crackers 
C) Fat-free milk 
D) Broccoli

Question 12

A researcher has isolated an organic,water-soluble chemical from roses.After performing in-vivo 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) precursor. 
D) autoanalyzing agent. 
A) antioxidant. 
B) amino acid. 
C) precursor. 
D) autoanalyzing agent.

Question 13

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

Accepted Answer

A) Peanuts 
B) Apples 
C) Whole-wheat bread 
D) Eggs 
A) Peanuts 
B) Apples 
C) Whole-wheat bread 
D) Eggs

Question 14

Vitamin _____ protects polyunsaturated fatty acids from being damaged by free radicals.

Accepted Answer

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

Question 15

Which vitamin is needed to make coenzyme A?

Accepted Answer

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

Question 16

Excessive vitamin D intakes can result in

Accepted Answer

A) increased blood clot formation. 
B) megaloblastic anemia. 
C) No particular health problems,because the vitamin is rapidly excreted in urine. 
D) deposition of calcium in soft tissues. 
A) increased blood clot formation. 
B) megaloblastic anemia. 
C) No particular health problems,because the vitamin is rapidly excreted in urine. 
D) deposition of calcium in soft tissues.

Question 17

Which of the following vitamins is part of a coenzyme that participates in energy metabolism?

Accepted Answer

A) Vitamin A 
B) Vitamin K 
C) Pantothenic acid 
D) Ascorbic acid 
A) Vitamin A 
B) Vitamin K 
C) Pantothenic acid 
D) Ascorbic acid

Question 18

To conserve the vitamin content of foods,

Accepted Answer

A) stir-fry instead of boil. 
B) store in warm conditions,and expose to sunlight and air. 
C) cook slowly in large amounts of water. 
D) peel vegetables and cut into small pieces before cooking in water. 
A) stir-fry instead of boil. 
B) store in warm conditions,and expose to sunlight and air. 
C) cook slowly in large amounts of water. 
D) peel vegetables and cut into small pieces before cooking in water.

Question 19

Of the following foods,which is the richest source of riboflavin?

Accepted Answer

A) Fat-free milk 
B) Corn oil margarine 
C) Tomatoes 
D) Red delicious apples 
A) Fat-free milk 
B) Corn oil margarine 
C) Tomatoes 
D) Red delicious apples

Question 20

_____ are fat-soluble vitamins.

Accepted Answer

A) Vitamins B-12 and B-6 
B) Pantothenic acid and vitamin A 
C) Niacin and thiamin 
D) Vitamins D and E 
A) Vitamins B-12 and B-6 
B) Pantothenic acid and vitamin A 
C) Niacin and thiamin 
D) Vitamins D and E

Which of the following vitamins does not play a direct role in energy metabolism?

An _____ is a substance that protects vulnerable molecules from free radicals.

Libby wants to have a birthday party for her 5-year old daughter and several of the child's friends.She plans to serve cake,ice cream,and milk to the children in the backyard on a warm sunny afternoon.To conserve vitamins in the milk,Libby should

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 vitamins plays a direct role in energy metabolism?

Vitamin D helps the body absorb

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

Megadoses of ____ may be used to reduce elevated LDL cholesterol levels.

Exposing milk to light can reduce its _____ content.

Green leafy vegetables and orange juice are rich sources of

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

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

Vitamin _____ protects polyunsaturated fatty acids from being damaged by free radicals.

Which vitamin is needed to make coenzyme A?

Excessive vitamin D intakes can result in

Which of the following vitamins is part of a coenzyme that participates in energy metabolism?

To conserve the vitamin content of foods,

Of the following foods,which is the richest source of riboflavin?

_____ are fat-soluble vitamins.

The Basics of Nutrition

Evaluating Nutrition Information

Planning Nutritious Diets

Body Basics

Carbohydrates

Fats and Other Lipids

Proteins

Water and Minerals

Energy Balance and Weight Control

Nutrition for Physically-Active Lifestyles

Food Safety Concerns

Nutrition for a Lifetime

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Exam 8: Vitamins

Which of the following vitamins does not play a direct role in energy metabolism?

An _____ is a substance that protects vulnerable molecules from free radicals.

Libby wants to have a birthday party for her 5-year old daughter and several of the child's friends.She plans to serve cake,ice cream,and milk to the children in the backyard on a warm sunny afternoon.To conserve vitamins in the milk,Libby should

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 vitamins plays a direct role in energy metabolism?

Vitamin D helps the body absorb

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

Megadoses of ____ may be used to reduce elevated LDL cholesterol levels.

Exposing milk to light can reduce its _____ content.

Green leafy vegetables and orange juice are rich sources of

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

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

Vitamin _____ protects polyunsaturated fatty acids from being damaged by free radicals.

Which vitamin is needed to make coenzyme A?

Excessive vitamin D intakes can result in

Which of the following vitamins is part of a coenzyme that participates in energy metabolism?

To conserve the vitamin content of foods,

Of the following foods,which is the richest source of riboflavin?

_____ are fat-soluble vitamins.

The Basics of Nutrition

Evaluating Nutrition Information

Planning Nutritious Diets

Body Basics

Carbohydrates

Fats and Other Lipids

Proteins

Water and Minerals

Energy Balance and Weight Control

Nutrition for Physically-Active Lifestyles

Food Safety Concerns

Nutrition for a Lifetime

Filters