Question 1

What is the role of vitamin E in the metabolism of free radicals?

Accepted Answer

A)  Carrier
B)  Promoter
C)  Eliminator
D)  Synthesizer

Question 2

What are the known effects of raising animals on diets containing retinoic acid as the only source of vitamin A?

Accepted Answer

A)  Growth is stunted
B)  Blindness develops
C)  Retinal synthesis is stimulated
D)  Retinol synthesis is stimulated

Question 3

Which of the following compounds is known to function as a hormone?

Accepted Answer

A)  Vitamin D
B)  Vitamin K
C)  Phylloquinone
D)  Alpha-tocopherol

Question 4

The animal version of vitamin D is known as

Accepted Answer

A)  ergocalciferol.
B)  foliocalciferol.
C)  cholecalciferol.
D)  phyllocalciferol.

Question 5

What is the adult AI for vitamin K?

Accepted Answer

A)  45-60 µg
B)  90-120 µg
C)  150-300 µg
D)  500-550 µg

Question 6

Greg says that he usually eats 1 medium carrot every day to ensure that he's consuming enough vitamin A.Today he said he didn't eat any carrots and is worried that there is not enough vitamin A in his system.What would you say to Greg to allay his fear?

Accepted Answer

A)  "Take a vitamin A supplement as soon as you can!"
B)  "As long as you eat some chicken tonight you will not develop chicken eyes."
C)  "Well,there isn't any vitamin A in carrots so you probably haven't consumed vitamin A for some time now."
D)  "Don't worry; fat-soluble vitamins are stored in the body.It takes a lot longer than one day to develop any adverse effects."

Question 7

Which of the following conditions may improve with vitamin E therapy?

Accepted Answer

A)  Diabetes
B)  Pernicious anemia
C)  Muscular dystrophy
D)  Intermittent claudication

Question 8

If the diet contains precursor vitamin A,which of the following tissues can use it to form vitamin A?

Accepted Answer

A)  Eyes
B)  Kidneys
C)  Adipose cells
D)  Intestinal cells

Question 9

What is/are the main function(s) of vitamin D?

Accepted Answer

A)  Promotes secretion of calcitonin
B)  Promotes synthesis of 7-dehydrocholesterol
C)  Promotes synthesis of carotenoids and controls absorption of fat-soluble vitamins
D)  Promotes calcium and phosphorus absorption and promotes calcium mobilization from bone

Question 10

Which of the following vitamins is most associated with promoting synthesis of gastrointestinal mucus?

Accepted Answer

A)  A
B)  B12
C)  E
D)  Pantothenic acid

Question 11

Which of the following is a major form of vitamin K in foods?

Accepted Answer

A)  Ergodione
B)  Ergoquinone
C)  Tocopherone
D)  Phylloquinone

Question 12

Which of the following is a naturally occurring food source of vitamin D?

Accepted Answer

A)  Egg yolks
B)  Red meats
C)  Tomato juice
D)  Whole-wheat bread

Question 13

Which of the following is a feature of antioxidants and health?

Accepted Answer

A)  Dietary antioxidants protect against free radical formation but not against DNA damage
B)  Beta-carotene supplements have actually been shown to increase the risk of lung cancer in smokers
C)  Diet surveys show that most of the U.S.population consumes recommended amounts of antioxidant nutrients
D)  People who eat foods rich in vitamin E still have the same level of atherosclerotic plaques as consumers who don't

Question 14

Which of the following properties do vitamins D and K share?

Accepted Answer

A)  Both are synthesized in the body
B)  Both are required for normal vision
C)  Neither has an effect on bone metabolism
D)  Neither has an effect on erythrocyte function

Question 15

Which of the following enables much of the world's population to maintain adequate vitamin D status?

Accepted Answer

A)  Outdoor exposure of the skin to sunlight
B)  Wide availability of low-cost fish products
C)  Wide availability of food assistance programs
D)  World Health Organization distribution of vitamin D capsules

Question 16

Which of the following conditions is known to lead to formation of mineral deposits in the blood vessels and kidney?

Accepted Answer

A)  Excessive intake of vitamin D
B)  Inadequate intake of vitamin D
C)  Excessive intake of tocopherols
D)  Inadequate intake of tocopherols

Question 17

Which of the following is a feature of vitamin A nutrition?

Accepted Answer

A)  Deficiency is common in both the United States and many developing countries
B)  Toxicity occurs from excess intakes of preformed vitamin A as well as beta-carotene
C)  Supplements are recommended for certain groups of infants and children infected with the measles in the United States
D)  In poor countries,supplements prevent and cure night blindness but offer little protection against malaria and lung disease

Question 18

Which of the following describes an association between vitamin A and vision?

Accepted Answer

A)  Retinoic acid is the form required for synthesis of retinoblasts
B)  Light causes retinal to shift from a cis to a trans configuration
C)  Retinol is the form bound to beta-carotene in the corneal membrane
D)  Pigment molecules in the retina are composed of a molecule of vitamin A bound to an omega-3 fatty acid

Question 19

The plant version of vitamin D is known as

Accepted Answer

A)  ergocalciferol.
B)  foliocalciferol.
C)  cholecalciferol.
D)  phyllocalciferol.

Question 20

Where is calbindin primarily found in the body?

Accepted Answer

A)  Liver
B)  Kidneys
C)  Intestine
D)  Chylomicrons

Exam 11: The Fat-Soluble Vitamins: A, d, e, and K

What are the known effects of raising animals on diets containing retinoic acid as the only source of vitamin A?

Correct AnswerverifiedShow Answer

Which of the following enables much of the world's population to maintain adequate vitamin D status?

Correct AnswerverifiedShow Answer

Which of the following is a naturally occurring food source of vitamin D?

Correct AnswerverifiedShow Answer

Greg says that he usually eats 1 medium carrot every day to ensure that he's consuming enough vitamin A.Today he said he didn't eat any carrots and is worried that there is not enough vitamin A in his system.What would you say to Greg to allay his fear?

Correct AnswerverifiedShow Answer

Which of the following conditions is known to lead to formation of mineral deposits in the blood vessels and kidney?

Correct AnswerverifiedShow Answer

Which of the following compounds is known to function as a hormone?

Correct AnswerverifiedShow Answer

Which of the following conditions may improve with vitamin E therapy?

Correct AnswerverifiedShow Answer

Which of the following properties do vitamins D and K share?

Correct AnswerverifiedShow Answer

Which of the following is a feature of antioxidants and health?

Correct AnswerverifiedShow Answer

Which of the following vitamins is most associated with promoting synthesis of gastrointestinal mucus?

Correct AnswerverifiedShow Answer

Which of the following is a feature of vitamin A nutrition?

Correct AnswerverifiedShow Answer

What is/are the main function(s) of vitamin D?

Correct AnswerverifiedShow Answer

Which of the following is a major form of vitamin K in foods?

Correct AnswerverifiedShow Answer

The plant version of vitamin D is known as

Correct AnswerverifiedShow Answer

What is the role of vitamin E in the metabolism of free radicals?

Correct AnswerverifiedShow Answer

Where is calbindin primarily found in the body?

Correct AnswerverifiedShow Answer

What is the adult AI for vitamin K?

Correct AnswerverifiedShow Answer

The animal version of vitamin D is known as

Correct AnswerverifiedShow Answer

If the diet contains precursor vitamin A,which of the following tissues can use it to form vitamin A?

Correct AnswerverifiedShow Answer

Which of the following describes an association between vitamin A and vision?

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