Question 1

Most vitamin A is sted in the

Accepted Answer

A)   kidneys.
B)   small intestine.
C)   liver.
D)   adipose tissue.E) A) and B)
F) B) and C)

Question 2

Which of the following is true about our current knowledge about vitamins?

Accepted Answer

A)   We are sure there are more vitamins to be discovered for humans.
B)   We cannot effectively feed individuals intravenously for long periods of time because we do not know about all the vitamins that must be included.
C)   Most scientists believe we have discovered all vitamins relevant to humans.
D)   We know that there are more fat-soluble vitamins to discover.E) A) and D)
F) B) and C)

Question 3

Intestinal bacteria can make this B vitamin in adequate amounts to meet human needs.

Accepted Answer

A)   Folate
B)   Vitamin B-6
C)   Pantothenic acid
D)   BiotinE) B) and D)
F) All of the above

Question 4

Drying of the cnea due to vitamin A deficiency is called

Accepted Answer

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

Question 5

A rich source of vitamin E is

Accepted Answer

A)   an orange.
B)   a chicken breast.
C)   corn oil.
D)   prime rib.E) A) and D)
F) All of the above

Question 6

Vitamin B-12 is supplied almost entirely by

Accepted Answer

A)   animal products.
B)   vegetables and fruits.
C)   intestinal bacteria.
D)   whole grain cereals and legumes.E) A) and D)
F) A) and C)

Question 7

Pernicious anemia is due to an impaired absption of _______________.

Accepted Answer

vitamin B-...

Question 8

Vitamin E functions as a(n)

Accepted Answer

A)   coenzyme.
B)   antioxidant.
C)   hormone.
D)   enzyme.E) C) and D)
F) A) and B) B

Question 9

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

Accepted Answer

Vitamin E OR 
E OR
 tocopherol OR 
alpha-tocopherol

Question 10

The most reliable source of vitamin D in the diet is

Accepted Answer

A)   poultry.
B)   whole-grain cereals.
C)   yellow squash.
D)   fortified milk.E) None of the above
F) B) and C)

Question 11

Vitamin D deficiency in adulthood leads to ____________.

Accepted Answer

The answer of Vitamin D deficiency in adulthood leads to...

Question 12

Generally, good folate sources are

Accepted Answer

A)   fruits.
B)   green leafy vegetables.
C)   milk and dairy products.
D)   poultry.E) None of the above
F) All of the above B

Question 13

Megadoses are defined as vitamin intake ________ times the estimated human need to prevent a deficiency.

Accepted Answer

A)   1 to 3
B)   3 to 5
C)   2 to 10
D)   50E) A) and B)
F) All of the above

Question 14

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) B) and C)
F) A) and B)

Question 15

Vitamin C intake over 2 grams per day may cause which of the following symptoms?

Accepted Answer

A)   Diarrhea
B)   Oxalate kidney stones
C)   Beriberi
D)   Rebound scurvyE) A) and B)
F) A) and C)

Question 16

Beriberi is caused by a _______________ deficiency.

Accepted Answer

thiamin OR...

Question 17

All of the following are true of B vitamins except they

Accepted Answer

A)   are water soluble.
B)   serve as coenzymes.
C)   can be lost during food processing and preparation.
D)   are stored in the liver.E) B) and D)
F) C) and D)

Question 18

The main fm of vitamin E in the body is

Accepted Answer

A)   alpha-tocopherol.
B)   gamma-tocopherol.
C)   beta-tocopherol.
D)   delta-tocopherol.E) B) and D)
F) A) and D)

Question 19

Some niacin is fmed in the body from

Accepted Answer

A)   phenylalanine.
B)   tyrosine.
C)   tryptophan.
D)   lysine.E) B) and C)
F) A) and B)

Question 20

In general, excess amounts of water-soluble vitamins are excreted via the

Accepted Answer

A)   kidneys.
B)   intestine.
C)   lungs.
D)   liver.E) A) and B)
F) None of the above

Exam 8: Vitamins

Most vitamin A is sted in the

Correct AnswerverifiedShow Answer

Which of the following is true about our current knowledge about vitamins?

Correct AnswerverifiedShow Answer

Intestinal bacteria can make this B vitamin in adequate amounts to meet human needs.

Correct AnswerverifiedShow Answer

Drying of the cnea due to vitamin A deficiency is called

Correct AnswerverifiedShow Answer

A rich source of vitamin E is

Correct AnswerverifiedShow Answer

Vitamin B-12 is supplied almost entirely by

Correct AnswerverifiedShow Answer

Pernicious anemia is due to an impaired absption of _______________.

Correct Answerverifiedvitamin B-...View AnswerShow Answer

Vitamin E functions as a(n)

Correct AnswerverifiedB

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

Correct AnswerverifiedVitamin E OR E OR tocopherol OR alpha-tocopherol

The most reliable source of vitamin D in the diet is

Correct AnswerverifiedShow Answer

Vitamin D deficiency in adulthood leads to ____________.

Correct AnswerverifiedShow Answer

Generally, good folate sources are

Correct AnswerverifiedB

Megadoses are defined as vitamin intake ________ times the estimated human need to prevent a deficiency.

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

Vitamin C intake over 2 grams per day may cause which of the following symptoms?

Correct AnswerverifiedShow Answer

Beriberi is caused by a _______________ deficiency.

Correct Answerverifiedthiamin OR...View AnswerShow Answer

All of the following are true of B vitamins except they

Correct AnswerverifiedShow Answer

The main fm of vitamin E in the body is

Correct AnswerverifiedShow Answer

Some niacin is fmed in the body from

Correct AnswerverifiedShow Answer

In general, excess amounts of water-soluble vitamins are excreted via the

Correct AnswerverifiedShow Answer

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vitamin B-...
View Answer

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B

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Vitamin E OR E OR tocopherol OR alpha-tocopherol

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B

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thiamin OR...
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