Question 1

Discuss the role of vitamin K in bone metabolism.

Accepted Answer

Vitamin K participates in the metabolism...

Question 2

What are the major food and non-food sources of vitamin K? What factors may adversely affect vitamin K nutrition in the body?

Accepted Answer

Like vitamin D, vitamin K can be obtaine...

Question 3

What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to the circulation?

Accepted Answer

A)  Albumin
B)  Cholesterol
C)  Chylomicrons
D)  Liposoluble binding proteins
E)  Osteocalcin.F) All of the above
G) B) and E)

Question 4

Which of the following foods is a very good source of vitamin A?

Accepted Answer

A)  Corn
B)  Pumpkin pie
C)  Baked potato
D)  Whole-grain bread
E)  BananasF) A) and C)
G) D) and E)

Question 5

MATCHING
-Typical food source of vitamin E

Accepted Answer

A)  Acne
B)  Rickets
C)  Keratin
D)  Hemolytic
E)  CaroteneF) Vitamin AG) Vitamin EH) Vitamin KI) CholesterolJ) CoagulationK) AntibioticsL) OsteomalaciaM) CalbindinN) XerophthalmiaO) AnticoagulantP) FibrinQ) Vegetable oilsR) Erythrocyte hemolysisS) Green leafy vegetablesT) Retinol-binding proteinU) C) and R)
V) C) and M)

Question 6

Blindness due to vitamin A deficiency is called ____________________.

Accepted Answer

The answer of Blindness due to vitamin A deficiency is...

Question 7

The three different forms of vitamin A that are active in the body are ____________________.

Accepted Answer

retinol; retinal; retinoic aci...

Question 8

Which of the following is a characteristic of vitamin D nutrition?

Accepted Answer

A)  Vitamin D deficiency may be created by a calcium deficiency
B)  Only about one-half of the world's population relies on sunlight to maintain adequate vitamin D nutrition
C)  Prolonged exposure to sunlight degrades the vitamin D precursor in skin, thus preventing vitamin D toxicity
D)  In people living in northern U.S. cities, vitamin D stores from synthesis during the summer are usually sufficient to meet the needs during the winter
E)  Pigments in dark skins increase vitamin D synthesis.F) A) and E)
G) A) and B)

Question 9

Studies in developing countries have demonstrated that the mortality rate of children with measles can be significantly reduced by providing supplements of

Accepted Answer

A)  iron.
B)  vitamin A.
C)  folic acid.
D)  phylloquinone.
E)  vitamin E.F) B) and C)
G) A) and E)

Question 10

Which of the following is a feature of vitamin K?

Accepted Answer

A)  Deficiencies lead to intravascular clotting.
B)  Major dietary sources are whole grains and legumes.
C)  No adverse effects have been reported with high intakes.
D)  Primary deficiencies are more common than secondary deficiencies.
E)  Dietary vitamin K comes mostly from orange vegetables.F) A) and E)
G) C) and D)

Question 11

What population group has the highest risk for vitamin K deficiency?

Accepted Answer

A)  Young adults
B)  Elderly
C)  Newborns
D)  Teenagers
E)  Middle-aged adultsF) A) and C)
G) A) and D)

Question 12

What is the Recommended Dietary Allowance for vitamin D in individuals around 20 years of age?

Accepted Answer

A)  5 mg
B)  10 mg
C)  15 mg
D)  20 mg
E)  50 mgF) A) and C)
G) A) and D)

Question 13

MATCHING
-Vitamin E deficiency disorder in premature infants

Accepted Answer

A)  Acne
B)  Rickets
C)  Keratin
D)  Hemolytic
E)  CaroteneF) Vitamin AG) Vitamin EH) Vitamin KI) CholesterolJ) CoagulationK) AntibioticsL) OsteomalaciaM) CalbindinN) XerophthalmiaO) AnticoagulantP) FibrinQ) Vegetable oilsR) Erythrocyte hemolysisS) Green leafy vegetablesT) Retinol-binding proteinU) A) and M)
V) E) and O)

Question 14

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
E)  Egg whitesF) A) and B)
G) None of the above

Question 15

Which of the following is a feature of vitamin E?

Accepted Answer

A)  The vitamin functions as a hormone-like substance.
B)  Toxicity symptoms include bone abnormalities.
C)  Deficiencies occur from inability to absorb dietary lipids.
D)  Important food sources include enriched breads and pasta.
E)  The RDA is based on the tocopherols and the tocotrienols.F) All of the above
G) A) and D)

Question 16

Which of the following compounds serves as the major precursor for the body's synthesis of vitamin D?

Accepted Answer

A)  Cholesterol
B)  Tryptophan
C)  Beta-carotene
D)  Eicosapentanoic acid
E)  HistamineF) All of the above
G) None of the above

Question 17

Which of the following is the most reliable source of vitamin D in the diet?

Accepted Answer

A)  Meat
B)  Fortified milk
C)  Fruits and vegetables
D)  Enriched breads and cereals
E)  Whole grainsF) None of the above
G) C) and D)

Question 18

Discuss the scientific evidence for the role of dietary antioxidants in reducing risk for chronic diseases.

Accepted Answer

Cancer
Foods rich in vitamin C seem to p...

Question 19

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
E)  Genetically modified crops such as Golden RiceF) C) and E)
G) D) and E)

Question 20

Which of the following is a feature of vitamin D?

Accepted Answer

A)  Toxicity from vitamin D may result from overexposure to the sun.
B)  Requirements are much higher in the elderly due to degenerative bone diseases.
C)  Fortification of milk with the vitamin is common in order to provide people with a reliable source.
D)  Absorption from most food sources is very poor, necessitating the enrichment of grain products.
E)  People who stay in the shade and wear long-sleeved clothing are 10 times as likely to develop vitamin D deficiency as those who rarely do so.F) C) and D)
G) A) and D)

Exam 11: The Fat-Soluble Vitamins: A, D, E, and K

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

Correct AnswerverifiedShow Answer

MATCHING -Typical food source of vitamin E

Correct AnswerverifiedShow Answer

What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to the circulation?

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of vitamin D nutrition?

Correct AnswerverifiedShow Answer

MATCHING -Vitamin E deficiency disorder in premature infants

Correct AnswerverifiedShow Answer

Blindness due to vitamin A deficiency is called ____________________.

Correct AnswerverifiedShow Answer

What population group has the highest risk for vitamin K deficiency?

Correct AnswerverifiedShow Answer

Which of the following compounds serves as the major precursor for the body's synthesis of vitamin D?

Correct AnswerverifiedShow Answer

Which of the following foods is a very good source of vitamin A?

Correct AnswerverifiedShow Answer

What is the Recommended Dietary Allowance for vitamin D in individuals around 20 years of age?

Correct AnswerverifiedShow Answer

What are the major food and non-food sources of vitamin K? What factors may adversely affect vitamin K nutrition in the body?

Correct AnswerverifiedLike vitamin D, vitamin K can be obtaine...View AnswerShow Answer

Discuss the scientific evidence for the role of dietary antioxidants in reducing risk for chronic diseases.

Correct AnswerverifiedCancerFoods rich in vitamin C seem to p...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

The three different forms of vitamin A that are active in the body are ____________________.

Correct Answerverifiedretinol; retinal; retinoic aci...View AnswerShow Answer

Which of the following is a feature of vitamin K?

Correct AnswerverifiedShow Answer

Which of the following is the most reliable source of vitamin D in the diet?

Correct AnswerverifiedShow Answer

Discuss the role of vitamin K in bone metabolism.

Correct AnswerverifiedVitamin K participates in the metabolism...View AnswerShow Answer

Studies in developing countries have demonstrated that the mortality rate of children with measles can be significantly reduced by providing supplements of

Correct AnswerverifiedShow Answer

Which of the following is a feature of vitamin E?

Correct AnswerverifiedShow Answer

Which of the following is a feature of vitamin D?

Correct AnswerverifiedShow Answer

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Like vitamin D, vitamin K can be obtaine...
View Answer

Correct Answer
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Cancer
Foods rich in vitamin C seem to p...
View Answer

Correct Answer
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Correct Answer
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retinol; retinal; retinoic aci...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
verified
Vitamin K participates in the metabolism...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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