Question 1

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

Accepted Answer

A)   Vitamin C
B)   Vitamin D
C)   Vitamin E
D)   Vitamin KE) A) and C)
F) B) and C)

Question 2

Which of the following is true about the regulation of the production and sale of vitamin and mineral supplements?

Accepted Answer

A)   There is no federal legislation regulating supplements.
B)   The FDA does not regulate all vitamin and mineral supplements closely.
C)   Americans can rest assured that the federal government will protect them from vitamin and mineral supplement overuse.
D)   Supplement companies are free to market their products with invalid and illegal claims.E) A) and D)
F) A) and B)

Question 3

The ability of the skin to synthesize vitamin D is decreased by

Accepted Answer

A)   use of sunscreen.
B)   excessive dietary calcium intake.
C)   excessive dietary phosphorus intake.
D)   use of a tanning bed.E) C) and D)
F) B) and D)

Question 4

Which of the following populations is most susceptible to vitamin K deficiency?

Accepted Answer

A)   Vegans
B)   Preschool children who are picky eaters
C)   Children with cystic fibrosis
D)   Older adultsE) B) and C)
F) A) and C)

Question 5

Vitamin ______ can be produced in the skin in response to ultraviolet light.

Accepted Answer

A)   A
B)   C
C)   D
D)   EE) A) and C)
F) B) and D)

Question 6

A niacin deficiency causes the disease _______________.

Accepted Answer

A)   anemia
B)   beriberi
C)   cheilosis
D)   pellegraE) C) and D)
F) All of the above

Question 7

If a supplement label includes a structure/function claim, it also must include

Accepted Answer

A)   an illustration of the supplement's chemical structure.
B)   the FDA warning that these claims have not been evaluated by the agency.
C)   a reference to a scientific study that supports this claim.
D)   a description of the supplement's biological function.E) All of the above
F) None of the above

Question 8

Lycopene is found in

Accepted Answer

A)   grapes.
B)   carrots.
C)   tomatoes.
D)   whole grain products.E) C) and D)
F) None of the above

Question 9

The vitamin required specifically in carbohydrate metabolism is _______________.

Accepted Answer

A)   folate
B)   niacin
C)   riboflavin
D)   thiaminE) A) and B)
F) All of the above

Question 10

Vitamin K is required for optimal bone health due to its role in activating

Accepted Answer

A)   vitamin D in the kidneys.
B)   vitamin D in the liver.
C)   clotting factors in the blood.
D)   proteins that bind calcium.E) A) and B)
F) A) and C)

Question 11

In the United States, bread and cereal products made from milled grains are enriched with the vitamins ______________________________ and with the mineral iron.

Accepted Answer

A)   A, D, and E
B)   thiamin, niacin, and riboflavin
C)   A, C, and K
D)   folate, choline, and B-12E) C) and D)
F) B) and C)

Question 12

______ is a water-soluble vitamin that is important for the release of energy from carbohydrates as well as the synthesis of RNA, DNA, and some neurotransmitters.

Accepted Answer

A)   thiamin.
B)   pyridoxine.
C)   niacin.
D)   riboflavin.E) All of the above
F) C) and D)

Question 13

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) A) and C)
F) None of the above

Question 14

All of the following forms of cancer are related to excessive calorie intake except

Accepted Answer

A)   lung cancer.
B)   breast cancer.
C)   colon cancer.
D)   pancreatic cancer.E) A) and B)
F) A) and C)

Question 15

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)   B-6E) B) and C)
F) A) and D)

Question 16

The name of the active vitamin B-6 coenzyme is

Accepted Answer

A)   nicotinamide.
B)   pyridoxal phosphate (PLP) .
C)   thiamin pyrophosphate (TPP) .
D)   flavin dinucleotide (FA
D)  .E) A) and C)
F) A) and D)

Question 17

Consuming high doses of ______ can mask signs of a vitamin B-12 deficiency.

Accepted Answer

A)   vitamin K
B)   iron
C)   vitamin B-6
D)   folateE) A) and D)
F) A) and C)

Question 18

In green vegetables, such as broccoli, the orange pigments of provitamin A carotenoids are masked by

Accepted Answer

A)   lycopene.
B)   chlorophyll.
C)   lutein.
D)   anthocyanin.E) B) and C)
F) A) and B)

Question 19

Which of the following would be the best source of vitamin D for person following a vegan diet?

Accepted Answer

A)   Fish oil
B)   Vitamin D-fortified soymilk
C)   Spinach
D)   Whole grain productsE) All of the above
F) A) and C)

Question 20

Drying of the cornea due to vitamin A deficiency is called

Accepted Answer

A)   apnea.
B)   dysphagia.
C)   xerophthalmia.
D)   cachexia.E) A) and B)
F) A) and C)

Exam 8: Vitamins

Which of the following would be the best source of vitamin D for person following a vegan diet?

Correct AnswerverifiedShow Answer

In green vegetables, such as broccoli, the orange pigments of provitamin A carotenoids are masked by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The vitamin required specifically in carbohydrate metabolism is _______________.

Correct AnswerverifiedShow Answer

Which of the following is true about the regulation of the production and sale of vitamin and mineral supplements?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All of the following forms of cancer are related to excessive calorie intake except

Correct AnswerverifiedShow Answer

______ is a water-soluble vitamin that is important for the release of energy from carbohydrates as well as the synthesis of RNA, DNA, and some neurotransmitters.

Correct AnswerverifiedShow Answer

The ability of the skin to synthesize vitamin D is decreased by

Correct AnswerverifiedShow Answer

If a supplement label includes a structure/function claim, it also must include

Correct AnswerverifiedShow Answer

Vitamin ______ can be produced in the skin in response to ultraviolet light.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In the United States, bread and cereal products made from milled grains are enriched with the vitamins ______________________________ and with the mineral iron.

Correct AnswerverifiedShow Answer

Consuming high doses of ______ can mask signs of a vitamin B-12 deficiency.

Correct AnswerverifiedShow Answer

Lycopene is found in

Correct AnswerverifiedShow Answer

A niacin deficiency causes the disease _______________.

Correct AnswerverifiedShow Answer

Which of the following populations is most susceptible to vitamin K deficiency?

Correct AnswerverifiedShow Answer

Drying of the cornea due to vitamin A deficiency is called

Correct AnswerverifiedShow Answer

The name of the active vitamin B-6 coenzyme is

Correct AnswerverifiedShow Answer

Vitamin K is required for optimal bone health due to its role in activating

Correct AnswerverifiedShow Answer

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