Question 1

Which of the following is an antioxidant?

Accepted Answer

A)   Vitamin C
B)   Vitamin B6
C)   Biotin
D)   NiacinE) All of the above
F) None of the above

Question 2

Which of the following is true about the absorption, transport, and storage of fat-soluble vitamins?

Accepted Answer

A)   They enter the bloodstream directly after absorption.
B)   Fat in the digestive contents is not important for their absorption.
C)   They are not stored to any great extent.
D)   After absorption, they are transported in the bloodstream to body cells and/or stored in the liver and fatty tissue.E) All of the above
F) B) and C)

Question 3

All of the following are true statements regarding fat malabsorption except

Accepted Answer

A)   results in decreased absorption of fat-soluble vitamins.
B)   increases the risk of fat-soluble vitamin deficiency.
C)   increases the risk of developing pellagra or beriberi.
D)   increases the risk of developing hypovitaminosis A, rickets, or osteomalacia.E) None of the above
F) All of the above C

Question 4

The vitamin that can mask B12 deficiency is _______________

Accepted Answer

folate folic acid folacin

Question 5

Which fat soluble vitamins are most toxic if consumed in excess amounts over long periods of time?

Accepted Answer

A)   Vitamins D and K
B)   Vitamins A and E
C)   Vitamins A and D
D)   Vitamins E and KE) C) and D)
F) B) and D)

Question 6

This vitamin, when consumed during pregnancy, can help prevent neural tube defects like spina bifida.

Accepted Answer

A)   Niacin
B)   Folate/folic acid
C)   Riboflavin
D)   B6E) A) and D)
F) B) and D)

Question 7

If you wanted to add significant quantities of vitamins and minerals to your diet from the food you eat, a good choice would be

Accepted Answer

A)   a doughnut made with enriched white flour.
B)   apple juice.
C)   a fortified breakfast cereal such as Total Raisin Bran.
D)   a banana.E) A) and D)
F) B) and C)

Question 8

Which of the following is true about the intake of vitamins?

Accepted Answer

A)   Supplemental vitamins are better than those from food.
B)   Occasional lapses in vitamin intake should cause no harm.
C)   It is hard to get all of the vitamins we need from food.
D)   Vitamins consumed in excess are excreted.E) C) and D)
F) All of the above

Question 9

An important role of vitamin K is the synthesis of

Accepted Answer

A)   alpha-tocopherol.
B)   rhodopsin.
C)   retinol.
D)   prothrombin.E) B) and D)
F) A) and B)

Question 10

_______________ is a fat-soluble, antioxidant vitamin that protects cell membranes, especially of red blood cells, from damage

Accepted Answer

Vitamin E ...

Question 11

The nutrient essential for synthesis of several blood clotting factors is vitamin

Accepted Answer

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

Question 12

Niacin is necessary to prevent the disease

Accepted Answer

A)   pernicious anemia.
B)   beriberi.
C)   scurvy.
D)   pellagra.E) B) and D)
F) None of the above

Question 13

The richest food source of preformed vitamin A is _______________

Accepted Answer

liver pola...

Question 14

The main form of vitamin E in the body is

Accepted Answer

A)   alpha-tocopherol.
B)   gamma-tocopherol.
C)   beta-tocopherol.
D)   delta-tocopherol.E) A) and D)
F) None of the above

Question 15

The foods that provide the largest source of riboflavin in the American diet are

Accepted Answer

A)   meats.
B)   whole grain cereals.
C)   milk and dairy products.
D)   dark green leafy vegetables.E) B) and D)
F) A) and D) C

Question 16

What disease is caused by a thiamin deficiency?

Accepted Answer

A)   Pellagra
B)   Scurvy
C)   Kwashiorkor
D)   BeriberiE) B) and C)
F) A) and D)

Question 17

Water-soluble and fat-soluble vitamins differ in which way?

Accepted Answer

A)   Water-soluble vitamins are stored, whereas fat-soluble vitamins are excreted readily.
B)   Water-soluble vitamins are less likely to be toxic.
C)   Fat-soluble vitamins have much less potential for toxicity.
D)   Water-soluble vitamins are best absorbed in the presence of dietary fat.E) C) and D)
F) A) and B)

Question 18

The B vitamins generally function as

Accepted Answer

A)   antioxidants.
B)   coenzymes.
C)   emulsifiers.
D)   reducing agents.E) A) and B)
F) A) and C)

Question 19

____________ are the form of vitamin A found in animal foods.

Accepted Answer

The answer of ____________ are the form of vitamin A...

Question 20

The vitamin that poses the greatest risk for toxicity is _______________

Accepted Answer

The answer of The vitamin that poses the greatest risk...

Exam 8: Vitamins

Which of the following is an antioxidant?

Correct AnswerverifiedShow Answer

Which of the following is true about the absorption, transport, and storage of fat-soluble vitamins?

Correct AnswerverifiedShow Answer

All of the following are true statements regarding fat malabsorption except

Correct AnswerverifiedC

The vitamin that can mask B12 deficiency is _______________

Correct Answerverifiedfolate folic acid folacin

Which fat soluble vitamins are most toxic if consumed in excess amounts over long periods of time?

Correct AnswerverifiedShow Answer

This vitamin, when consumed during pregnancy, can help prevent neural tube defects like spina bifida.

Correct AnswerverifiedShow Answer

If you wanted to add significant quantities of vitamins and minerals to your diet from the food you eat, a good choice would be

Correct AnswerverifiedShow Answer

Which of the following is true about the intake of vitamins?

Correct AnswerverifiedShow Answer

An important role of vitamin K is the synthesis of

Correct AnswerverifiedShow Answer

_______________ is a fat-soluble, antioxidant vitamin that protects cell membranes, especially of red blood cells, from damage

Correct AnswerverifiedVitamin E ...View AnswerShow Answer

The nutrient essential for synthesis of several blood clotting factors is vitamin

Correct AnswerverifiedShow Answer

Niacin is necessary to prevent the disease

Correct AnswerverifiedShow Answer

The richest food source of preformed vitamin A is _______________

Correct Answerverifiedliver pola...View AnswerShow Answer

The main form of vitamin E in the body is

Correct AnswerverifiedShow Answer

The foods that provide the largest source of riboflavin in the American diet are

Correct AnswerverifiedC

What disease is caused by a thiamin deficiency?

Correct AnswerverifiedShow Answer

Water-soluble and fat-soluble vitamins differ in which way?

Correct AnswerverifiedShow Answer

The B vitamins generally function as

Correct AnswerverifiedShow Answer

____________ are the form of vitamin A found in animal foods.

Correct AnswerverifiedShow Answer

The vitamin that poses the greatest risk for toxicity is _______________

Correct AnswerverifiedShow Answer

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C

The vitamin that can mask B₁₂ deficiency is _______________

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folate folic acid folacin

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Vitamin E ...
View Answer

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liver pola...
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C

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