Question 1

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.E) B) and D)
F) A) and B)

Question 2

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)  ThiaminE) All of the above
F) A) and D)

Question 3

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 acidE) All of the above
F) C) and D)

Question 4

Exposing milk to light can reduce its _____ content.

Accepted Answer

A)  riboflavin
B)  niacin
C)  thiamin
D)  vitamin DE) B) and C)
F) A) and D)

Question 5

Which vitamin is needed to make coenzyme A?

Accepted Answer

A)  Vitamin A
B)  Vitamin B-6
C)  Biotin
D)  Pantothenic acidE) None of the above
F) All of the above

Question 6

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)  BroccoliE) A) and C)
F) C) and D)

Question 7

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

Accepted Answer

A)  Riboflavin
B)  Vitamin C
C)  Vitamin K
D)  Vitamin AE) All of the above
F) None of the above

Question 8

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.E) A) and D)
F) B) and D)

Question 9

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 applesE) A) and B)
F) B) and C)

Question 10

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

Accepted Answer

A)  K
B)  E
C)  B-12
D)  DE) None of the above
F) B) and D)

Question 11

Green leafy vegetables and orange juice are rich sources of

Accepted Answer

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

Question 12

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

Accepted Answer

A)  biotin
B)  thiamin
C)  nicotinic acid
D)  vitamin KE) A) and B)
F) A) and C)

Question 13

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.E) A) and D)
F) A) and C)

Question 14

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.E) All of the above
F) B) and C)

Question 15

Vitamin D helps the body absorb

Accepted Answer

A)  sodium and potassium.
B)  magnesium and iodine.
C)  phosphorus and calcium.
D)  iron and copper.E) A) and B)
F) None of the above

Question 16

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

Accepted Answer

A)  ion
B)  oncogene
C)  enzyme
D)  antioxidantE) None of the above
F) A) and C)

Question 17

_____ 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 EE) A) and D)
F) None of the above

Question 18

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

Accepted Answer

A)  Peanuts
B)  Apples
C)  Whole-wheat bread
D)  EggsE) B) and C)
F) C) and D)

Question 19

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

Accepted Answer

A)  D
B)  C
C)  B-12
D)  ThiaminE) A) and B)
F) A) and C)

Question 20

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.E) A) and B)
F) All of the above

Exam 8: Vitamins

Which vitamin is needed to make coenzyme A?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Excessive vitamin D intakes can result in

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

To conserve the vitamin content of foods,

Correct Answer
verified

Exposing milk to light can reduce its _____ content.

Correct Answer
verified

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

Correct Answer
verified

Vitamin D helps the body absorb

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Green leafy vegetables and orange juice are rich sources of

Correct Answer
verified

_____ are fat-soluble vitamins.

Correct Answer
verified

Exam 8: Vitamins

Which vitamin is needed to make coenzyme A?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Excessive vitamin D intakes can result in

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

To conserve the vitamin content of foods,

Correct AnswerverifiedShow Answer

Exposing milk to light can reduce its _____ content.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Vitamin D helps the body absorb

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Green leafy vegetables and orange juice are rich sources of

Correct AnswerverifiedShow Answer

_____ are fat-soluble vitamins.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified