Question 1

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.E) A) and D)
F) A) and B)

Question 2

Which of the following statements about vitamin B12 deficiency is true?

Accepted Answer

A)  Connective tissue abnormalities are common.
B)  Symptoms can appear quite rapidly.
C)  Myelin degeneration can cause neurological symptoms.
D)  All of the above are true.E) B) and D)
F) B) and C)

Question 3

Choline deficiency may contribute to all of the following EXCEPT:

Accepted Answer

A)  neurological disorders.
B)  development of diabetes.
C)  atherosclerosis.
D)  liver disease.E) None of the above
F) All of the above

Question 4

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 CE) A) and D)
F) A) and C)

Question 5

Which food is the best source of folate?

Accepted Answer

A)  Lentils
B)  Chicken
C)  Cheese
D)  Brown riceE) A) and B)
F) A) and C)

Question 6

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 & biotinE) A) and C)
F) A) and B)

Question 7

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

Accepted Answer

A)  large intestine
B)  stomach
C)  small intestine
D)  mouthE) A) and D)
F) None of the above

Question 8

Which physiologic process requires vitamin B12?

Accepted Answer

A)  Division of red blood cells
B)  Synthesis of proteins
C)  Activation of niacin
D)  Maintenance of myelin and normal nerve transmissionE) B) and C)
F) All of the above

Question 9

A common adverse effect of niacin toxicity is:

Accepted Answer

A)  dermatitis.
B)  flushing of the skin.
C)  dementia.
D)  hives.E) A) and B)
F) None of the above

Question 10

Which is a good dietary source of thiamin?

Accepted Answer

A)  Sunflower seeds
B)  Pork
C)  Whole grains
D)  All of the aboveE) A) and C)
F) None of the above

Question 11

Which group is at risk for folate deficiency?

Accepted Answer

A)  Premature infants
B)  Elderly
C)  Smokers
D)  All of the aboveE) A) and B)
F) A) and C)

Question 12

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.E) A) and D)
F) A) and C)

Question 13

Which statement about niacin is true?

Accepted Answer

A)  There is no UL established for niacin intake.
B)  Niacin is important in the production of energy from dietary nutrients.
C)  Niacin deficiency causes adverse effects in limited areas of the body.
D)  Niacin is needed to synthesize tryptophan.E) B) and C)
F) B) and D)

Question 14

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

Accepted Answer

A)  riboflavin
B)  thiamin
C)  vitamin C
D)  niacinE) None of the above
F) B) and D)

Question 15

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

Accepted Answer

A)  beriberi.
B)  scurvy.
C)  pernicious anemia.
D)  pellagra.E) B) and C)
F) A) and B)

Question 16

Vitamin B6 is NOT involved in which physiologic process?

Accepted Answer

A)  Formation of non-essential amino acids
B)  Hemoglobin synthesis
C)  Collagen formation
D)  Formation of white blood cells important for immunityE) B) and C)
F) C) and D)

Question 17

Which lifestyle factor increases the requirement for vitamin C?

Accepted Answer

A)  Drinking alcohol
B)  Exercising frequently and intensely
C)  Smoking cigarettes
D)  Eating a diet high in fiberE) C) and D)
F) A) and D)

Question 18

Pantothenic acid forms part of which molecule?

Accepted Answer

A)  Coenzyme A
B)  Flavinadenine dinucleotide
C)  Pyridoxal phosphate
D)  Adenosine triphosphateE) C) and D)
F) B) and D)

Question 19

Many B vitamins function as ______,which bind to enzymes to promote their activity.

Accepted Answer

A)  provitamins
B)  transport proteins
C)  coenzymes
D)  hormonesE) None of the above
F) A) and B)

Question 20

Which disease is caused by niacin deficiency?

Accepted Answer

A)  Beriberi
B)  Scurvy
C)  Pellagra
D)  None of the aboveE) A) and D)
F) None of the above

Exam 8: The Water-Soluble Vitamins

Pantothenic acid forms part of which molecule?

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Which of the following statements about vitamin B12 deficiency is true?

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A common adverse effect of niacin toxicity is:

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Which group is at risk for folate deficiency?

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Many B vitamins function as ______,which bind to enzymes to promote their activity.

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Which lifestyle factor increases the requirement for vitamin C?

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Which physiologic process requires vitamin B12?

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Riboflavin supplementation:

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

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Which food is the best source of folate?

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

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

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Which statement about niacin is true?

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Vitamin B6 is NOT involved in which physiologic process?

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Choline deficiency may contribute to all of the following EXCEPT:

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Which disease is caused by niacin deficiency?

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

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Which is a good dietary source of thiamin?

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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:

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Which of the following statements about vitamin B₁₂ deficiency is true?

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Which physiologic process requires vitamin B₁₂?

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Vitamin B₆ is NOT involved in which physiologic process?

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

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