Question 1

Niacin supplements:

Accepted Answer

A)  are commonly used in the US since niacin deficiency is a public health concern.
B)  provide an essential energy boost.
C)  may decrease LDL cholesterol and increase HDL cholesterol.
D)  are associated with an increase in heart attacks.

Question 2

Which group of people is most at risk for developing thiamin deficiency?

Accepted Answer

A)  Tobacco users
B)  Endurance athletes
C)  Older adults
D)  Chronic alcoholics

Question 3

Which statement regarding fortification of foods in the U.S.is NOT true?

Accepted Answer

A)  Fortification is always regulated by the FDA.
B)  Fortification can be an arbitrary act of the food manufacturer.
C)  Fortification can lead to nutrient imbalances and toxicities.
D)  Fortification of juice can help individuals meet their daily calcium requirement.

Question 4

High folate intake may:

Accepted Answer

A)  increase the incidence of colon cancer.
B)  cause other vitamin deficiencies because folate competes for absorption sites.
C)  mask a vitamin B12 deficiency,giving rise to permanent nerve damage.
D)  cause acne.

Question 5

Pellagra occurs when _________ is the staple grain in the diet and the diet does not provide a mixture of different foods.

Accepted Answer

A)  corn
B)  wheat
C)  rice
D)  barley

Question 6

A person consuming a diet deficient in dairy products but otherwise adequate,would have the most difficulty obtaining sufficient amounts of which vitamin?

Accepted Answer

A)  Niacin
B)  Riboflavin
C)  Iron
D)  Vitamin C

Question 7

Riboflavin supplementation:

Accepted Answer

A)  is recommended for those with low fiber intake.
B)  can decrease the high risk for deficiency in the American public.
C)  can improve vision.
D)  does not provide an energy boost.

Question 8

Vitamin B12 deficiency caused by a lack of intrinsic factor results in:

Accepted Answer

A)  beriberi.
B)  scurvy.
C)  pernicious anemia.
D)  pellagra.

Question 9

When the vitamins lost in grain processing are restored,which is a nutrient typically NOT added back?

Accepted Answer

A)  Iron
B)  Thiamin
C)  Pantothenic acid
D)  Riboflavin

Question 10

Elevated homocysteine is associated with increased risk of cardiovascular disease.In clinical studies,which vitamins have been shown to decrease homocysteine levels in the blood?

Accepted Answer

A)  Vitamins A,C & E
B)  Riboflavin,A & folate
C)  B6,folate & B12
D)  Pantothenic acid,riboflavin & biotin

Question 11

Folic acid supplements are most frequently recommended for:

Accepted Answer

A)  post-menopausal women.
B)  women who may become pregnant.
C)  toddlers.
D)  the elderly.

Question 12

Riboflavin is most easily destroyed when exposed to:

Accepted Answer

A)  light.
B)  vitamin C.
C)  oxygen.
D)  acid.

Question 13

The ____________ is the site of most vitamin absorption into the body.

Accepted Answer

A)  large intestine
B)  stomach
C)  small intestine
D)  mouth

Question 14

Folate deficiency may cause all the following except:

Accepted Answer

A)  development of cancer.
B)  microcytic anemia.
C)  poor growth.
D)  inflammation of the tongue.

Question 15

Low folate status increases the risk of:

Accepted Answer

A)  type 1 diabetes.
B)  heart disease.
C)  renal dysfunction.
D)  All of the above

Question 16

Beriberi is a disease caused by lack of ________ in the diet.

Accepted Answer

A)  riboflavin
B)  thiamin
C)  vitamin C
D)  niacin

Question 17

Which is the FALSE statement regarding vitamin C?

Accepted Answer

A)  Vitamin C may decrease the duration of the common cold.
B)  People prone to developing certain types of kidney stones should avoid vitamin C supplementation.
C)  Vitamin C is efficiently stored in the liver,so deficiency symptoms take weeks or months to develop.
D)  Vitamin C supplements are unlikely to cause toxicity.

Question 18

Symptoms of ariboflavinosis do NOT include:

Accepted Answer

A)  inflammation of the eyes and mouth.
B)  scaly,greasy skin eruptions.
C)  confusion.
D)  megoblastic anemia.

Question 19

The RDA for B6 in adults ____________ with aging.

Accepted Answer

A)  increases
B)  decreases
C)  stays the same
D)  increases for males but decreases for females

Question 20

Choline deficiency may contribute to all of the following EXCEPT:

Accepted Answer

A)  neurological disorders.
B)  development of diabetes.
C)  atherosclerosis.
D)  liver disease.

Exam 8: The Water-Soluble Vitamins

Which statement regarding fortification of foods in the U.S.is NOT true?

Correct AnswerverifiedShow Answer

Symptoms of ariboflavinosis do NOT include:

Correct AnswerverifiedShow Answer

Pellagra occurs when _________ is the staple grain in the diet and the diet does not provide a mixture of different foods.

Correct AnswerverifiedShow Answer

Riboflavin is most easily destroyed when exposed to:

Correct AnswerverifiedShow Answer

High folate intake may:

Correct AnswerverifiedShow Answer

Choline deficiency may contribute to all of the following EXCEPT:

Correct AnswerverifiedShow Answer

A person consuming a diet deficient in dairy products but otherwise adequate,would have the most difficulty obtaining sufficient amounts of which vitamin?

Correct AnswerverifiedShow Answer

Riboflavin supplementation:

Correct AnswerverifiedShow Answer

When the vitamins lost in grain processing are restored,which is a nutrient typically NOT added back?

Correct AnswerverifiedShow Answer

Beriberi is a disease caused by lack of ________ in the diet.

Correct AnswerverifiedShow Answer

Folic acid supplements are most frequently recommended for:

Correct AnswerverifiedShow Answer

Niacin supplements:

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Vitamin B12 deficiency caused by a lack of intrinsic factor results in:

Correct AnswerverifiedShow Answer

Low folate status increases the risk of:

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Elevated homocysteine is associated with increased risk of cardiovascular disease.In clinical studies,which vitamins have been shown to decrease homocysteine levels in the blood?

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Folate deficiency may cause all the following except:

Correct AnswerverifiedShow Answer

Which group of people is most at risk for developing thiamin deficiency?

Correct AnswerverifiedShow Answer

Which is the FALSE statement regarding vitamin C?

Correct AnswerverifiedShow Answer

The ____________ is the site of most vitamin absorption into the body.

Correct AnswerverifiedShow Answer

The RDA for B6 in adults ____________ with aging.

Correct AnswerverifiedShow Answer

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Vitamin B₁₂ deficiency caused by a lack of intrinsic factor results in:

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The RDA for B₆in adults ____________ with aging.

Correct Answer
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