Question 1

Which of the following is the name of the vitamin A compound that is active in the visual response?

Accepted Answer

A)  Opsin
B)  Keratin
C)  Retinal
D)  CaroteneE) A) and D)
F) A) and C)

Question 2

Which of the following is a feature of vitamin K?

Accepted Answer

A)  It participates in synthesis of bone proteins
B)  Large amounts can be stored in adipose tissue
C)  Good food sources are legumes and raw fruits
D)  Intestinal bacterial synthesis provides over 90% of the body's need for most peopleE) All of the above
F) A) and D)

Question 3

Which of the following are major sources of vitamin E in the diet?

Accepted Answer

A)  Meats
B)  Citrus fruits
C)  Vegetable oils
D)  Milk and dairy productsE) All of the above
F) None of the above

Question 4

Which of the following describes the primary function of vitamin A in bone health?

Accepted Answer

A)  It stimulates uptake of calcium from the intestines
B)  It promotes synthesis of specific bone proteins involved in the mineralization process
C)  It assists enzymes that degrade certain regions of the bone thereby allowing remodeling to occur
D)  It inhibits oxidation of bone mucopolysaccharides thereby preserving bone crystal integrity and promoting growthE) B) and D)
F) All of the above

Question 5

Substances that promote oxidation are usually termed

Accepted Answer

A)  prooxidants.
B)  antioxidants.
C)  free radical generators.
D)  reactive electron oxidants.E) A) and C)
F) C) and D)

Question 6

Among the following, which contains the highest concentration of vitamin E?

Accepted Answer

A)  Butter
B)  Carrots
C)  Milk fat
D)  Corn oilE) A) and B)
F) B) and C)

Question 7

Which of the following may result from excessive intakes of vitamin D by adults?

Accepted Answer

A)  Increased bone density
B)  Increased bone calcification
C)  Deformity of leg bones, ribs, and skull
D)  Mineral deposits in soft tissues such as the kidneyE) All of the above
F) A) and D)

Question 8

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

Accepted Answer

A)  Adults
B)  Elderly
C)  Newborns
D)  TeenagersE) A) and B)
F) All of the above

Question 9

As far as is known, vitamin A does not play an important role in which of the following processes?

Accepted Answer

A)  Blood clotting
B)  Growth of bones and teeth
C)  Synthesis of visual pigment
D)  Maintaining mucous membranesE) B) and D)
F) A) and B)

Question 10

What is prothrombin?

Accepted Answer

A)  A storage protein for vitamin K
B)  A transport protein for vitamin E
C)  A protein needed for bone formation
D)  A protein needed for blood clot formationE) All of the above
F) C) and D)

Question 11

The effects of vitamin A deficiency are most severe in what population group?

Accepted Answer

A)  Adults
B)  Elderly
C)  Newborns
D)  AdolescentsE) A) and C)
F) None of the above

Question 12

Approximately what percentage of the body's store of vitamin K is derived from GI tract bacterial synthesis?

Accepted Answer

A)  Less than 5
B)  25
C)  50
D)  85E) B) and D)
F) All of the above

Question 13

Which of the following is a feature of Accutane?

Accepted Answer

A)  It is effective in treating rickets
B)  It is less toxic than pure vitamin A
C)  It is known to be effective in treating mild but not severe acne
D)  It is known to cause birth defects when used by pregnant womenE) B) and D)
F) C) and D)

Question 14

Which of the following vitamins is synthesized by intestinal bacteria?

Accepted Answer

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

Question 15

The risk for vitamin D deficiency increases with advancing age for all of the following reasons except reduced

Accepted Answer

A)  exposure to sunlight.
B)  milk intake of older people.
C)  absorption of dietary vitamin D.
D)  activation of vitamin D by the kidneys.E) All of the above
F) B) and D)

Question 16

Which of the following symptoms would indicate a vitamin D deficiency?

Accepted Answer

A)  Bowed legs
B)  Rupture of red blood cells
C)  Frequent respiratory infections
D)  Abnormally high blood calcium levelE) C) and D)
F) A) and D)

Question 17

Your sister Ellen has just joined the Peace Corps and will be working on ways to improve the nutritional status of children in Indonesia.Once there, she saw that many of the children and some adults suffer from night blindness.Which of the following foods should she recommend be incorporated into the Indonesian diet to help prevent future generations from developing this condition?

Accepted Answer

A)  Sweet potato
B)  Orange juice
C)  Peanut butter
D)  Powdered skim milkE) B) and C)
F) C) and D)

Question 18

What population group is most vulnerable to vitamin A toxicity?

Accepted Answer

A)  Children
B)  Adolescents
C)  Adults
D)  ElderlyE) B) and C)
F) A) and B)

Question 19

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 cerealsE) A) and B)
F) B) and D)

Question 20

What part of the body is affected most by keratomalacia?

Accepted Answer

A)  Bone
B)  Liver
C)  Cornea
D)  Immune cellsE) All of the above
F) B) and D)

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

Which of the following vitamins is synthesized by intestinal bacteria?

Correct Answer
verified

What part of the body is affected most by keratomalacia?

Correct Answer
verified

The effects of vitamin A deficiency are most severe in what population group?

Correct Answer
verified

Which of the following may result from excessive intakes of vitamin D by adults?

Correct Answer
verified

Which of the following is the name of the vitamin A compound that is active in the visual response?

Correct Answer
verified

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

Correct Answer
verified

What population group is most vulnerable to vitamin A toxicity?

Correct Answer
verified

Which of the following is a feature of vitamin K?

Correct Answer
verified

Which of the following is a feature of Accutane?

Correct Answer
verified

Which of the following describes the primary function of vitamin A in bone health?

Correct Answer
verified

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

Correct Answer
verified

What is prothrombin?

Correct Answer
verified

The risk for vitamin D deficiency increases with advancing age for all of the following reasons except reduced

Correct Answer
verified

Correct Answer
verified

Which of the following symptoms would indicate a vitamin D deficiency?

Correct Answer
verified

As far as is known, vitamin A does not play an important role in which of the following processes?

Correct Answer
verified

Among the following, which contains the highest concentration of vitamin E?

Correct Answer
verified

Approximately what percentage of the body's store of vitamin K is derived from GI tract bacterial synthesis?

Correct Answer
verified

Substances that promote oxidation are usually termed

Correct Answer
verified

Which of the following are major sources of vitamin E in the diet?

Correct Answer
verified

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

Which of the following vitamins is synthesized by intestinal bacteria?

Correct AnswerverifiedShow Answer

What part of the body is affected most by keratomalacia?

Correct AnswerverifiedShow Answer

The effects of vitamin A deficiency are most severe in what population group?

Correct AnswerverifiedShow Answer

Which of the following may result from excessive intakes of vitamin D by adults?

Correct AnswerverifiedShow Answer

Which of the following is the name of the vitamin A compound that is active in the visual response?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What population group is most vulnerable to vitamin A toxicity?

Correct AnswerverifiedShow Answer

Which of the following is a feature of vitamin K?

Correct AnswerverifiedShow Answer

Which of the following is a feature of Accutane?

Correct AnswerverifiedShow Answer

Which of the following describes the primary function of vitamin A in bone health?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is prothrombin?

Correct AnswerverifiedShow Answer

The risk for vitamin D deficiency increases with advancing age for all of the following reasons except reduced

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following symptoms would indicate a vitamin D deficiency?

Correct AnswerverifiedShow Answer

As far as is known, vitamin A does not play an important role in which of the following processes?

Correct AnswerverifiedShow Answer

Among the following, which contains the highest concentration of vitamin E?

Correct AnswerverifiedShow Answer

Approximately what percentage of the body's store of vitamin K is derived from GI tract bacterial synthesis?

Correct AnswerverifiedShow Answer

Substances that promote oxidation are usually termed

Correct AnswerverifiedShow Answer

Which of the following are major sources of vitamin E in the diet?

Correct AnswerverifiedShow Answer

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