Question 1

Describe the importance of folate intake in women of childbearing age. Describe the action undertaken by the FDA to increase folate contents in foods and the effect of this action.

Accepted Answer

When adequate amount of folate is consum...

Question 2

A compound that can be converted into an active vitamin inside the body is known as a(n) :

Accepted Answer

A)  coenzyme
B)  predecessor
C)  antivitamin
D)  provitamin
E)  enzymeF) A) and B)
G) A) and C)

Question 3

Water-soluble vitamins:

Accepted Answer

A)  are stored in body tissues to a large extent
B)  often result in toxicities
C)  are soluble in body fluids but insoluble in cooking water
D)  are easily excreted in the urine
E)  are not damaged by heat or oxygen exposureF) A) and E)
G) A) and D)

Question 4

Use the dietary supplement label below to answer the following question.

Accepted Answer

A)  The vitamin D in this product has been proven to improve one's red blood cell count.
B)  Because the manufacturer is not required to provide scientific evidence to the FDA, this statement may not be accurate.
C)  The product includes the amount of vitamin D recommended for daily consumption.
D)  The amount of vitamin D in this product is low enough to allow for additional intake from foods.
E)  The manufacturer has voluntarily paid an independent laboratory to test the product.F) C) and E)
G) All of the above

Question 5

Which of the following is a major role of vitamin A in sustaining eyesight?

Accepted Answer

A)  It prevents the differentiation of immature cells.
B)  It aids in the accumulation of protein in the cornea.
C)  It helps maintain a healthy, crystal clear cornea.
D)  It helps prevent excessive lubrication of the eyes.
E)  It slows the recovery of vision after exposure to bright light.F) C) and D)
G) A) and E)

Question 6

Who among the following has a valid reason for taking vitamin supplements?

Accepted Answer

A)  A person addicted to drugs and alcohol
B)  A person who wishes to build muscles without physical activity
C)  A person who wants to cure a self-diagnosed illness
D)  A person who needs help coping with stress
E)  A person who believes that food grown on today's soil lacks the necessary nutrientsF) A) and E)
G) A) and B)

Question 7

Use the dietary supplement label below to answer the following question.

Accepted Answer

A)  Evidence does not support a role for antioxidant supplements against chronic diseases.
B)  Most men over the age of 50 have inadequate nutrient intakes and would benefit from this product.
C)  This supplement would be more helpful for smokers than for nonsmokers.
D)  The antioxidants in this supplement have all been shown to be extremely effective in free radical protection.
E)  This target product is beneficial because men over 50 need a unique proportion of nutrients.F) A) and E)
G) A) and B)

Question 8

Use the breakfast cereal tabel below to answer the following question.

Accepted Answer

A)  The main source of vitamin C is the whole-grain wheat in the cereal.
B)  Vitamin C has been added to the cereal because whole grains are low in vitamin C.
C)  A natural form of vitamin C has been added to the cereal.
D)  The source of vitamin C is the added milk.
E)  The vitamin C content in the cereal exceeds the daily recommended dosage and can lead to vitamin C toxicity.F) A) and B)
G) B) and D)

Question 9

Infants are born with adequate vitamin K in their intestinal tracts.

Accepted Answer

A) True 
 B)False

Question 10

Healthy individuals can consume vitamin A-rich foods in large quantities, but excessive consumption of _____ causes vitamin A toxicity.

Accepted Answer

A)  carrots
B)  liver
C)  cheese
D)  yogurt
E)  eggsF) All of the above
G) A) and C)

Question 11

Research regarding the benefits or risks of taking vitamin supplements to reduce the risk of chronic diseases has shown that:

Accepted Answer

A)  vitamin C supplements are associated with an increased risk of chronic diseases
B)  people who take vitamin E supplements have lower rates of heart disease
C)  use of the beta-carotene supplement increases the risk of lung cancer in smokers
D)  all supplements sold in this country are safe and effective
E)  supplements can fix nutrient deficiencies so a diet that lacks many nutrients is not dangerousF) None of the above
G) B) and C)

Question 12

Compounds that prevent oxidation are called prooxidants.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a symptom of vitamin D toxicity?

Accepted Answer

A)  Uncontrolled bleeding
B)  Irregular heartbeat
C)  Jaundice
D)  Scurvy
E)  EdemaF) A) and E)
G) A) and D)

Question 14

Use the breakfast cereal tabel below to answer the following question.

Accepted Answer

A)  This cereal is an excellent natural source of vitamin D.
B)  You should limit the intake of this cereal to avoid vitamin D toxicity.
C)  When combined with milk, this cereal is an excellent source of vitamin D.
D)  Supplemental forms of vitamin D are not readily absorbed into the body.
E)  Vitamin D is not added to cereals because it is not required on a daily basis.F) All of the above
G) A) and B)

Question 15

Which of the following statements is true of riboflavin?

Accepted Answer

A)  Insufficient intake of riboflavin in pregnant women causes neural tube defects in the fetus.
B)  Riboflavin toxicity causes a disease known as beriberi.
C)  Riboflavin deficiency does not cause any adverse effects on the body.
D)  Riboflavin is a precursor of vitamin A.
E)  Ultraviolet light and irradiation destroy riboflavin.F) A) and E)
G) A) and D)

Question 16

Why are dark-skinned children who live in smoggy northern cities likely to develop rickets?

Accepted Answer

Sunlight supplies the needed vitamin D f...

Question 17

Use the breakfast cereal tabel below to answer the following question.

Accepted Answer

A)  it has not been fortified with thiamin, riboflavin, or niacin
B)  all the B vitamins will be absorbed into the body
C)  it will require less fortification than refined wheat cereal to reach the required DV
D)  the absorption of its B vitamins will be blocked because of the fiber content
E)  it contains all the fat-soluble vitamins because it includes the germ layerF) A) and B)
G) B) and C)

Question 18

You recommend that your friend not take "Stress Formula Vitamin C" supplements because:

Accepted Answer

A)  vitamin C is not involved in the release of the stress hormones from the adrenal gland
B)  "Stress Formula" supplements are more expensive than other types of vitamin C supplements
C)  they contain an excess amount of vitamin C, which is above the recommended intake
D)  the amount of vitamin C required by the body to recover from stress is easily obtained from whole fruits and vegetables
E)  they prevent the absorption of vitamin C acquired from foodsF) A) and C)
G) A) and E)

Question 19

Which of the following foods is not a source of vitamin C?

Accepted Answer

A)  Citrus fruits
B)  Strawberries
C)  Milk
D)  Broccoli
E)  Green peppersF) C) and D)
G) B) and C)

Question 20

Which of the following is a symptom of Wernicke-Korsakoff syndrome?

Accepted Answer

A)  Mental confusion
B)  Advancing paralysis
C)  Bleeding gums
D)  Yellowing of the skin
E)  AnemiaF) C) and D)
G) B) and E)

Exam 7: The Vitamins

Which of the following is a symptom of vitamin D toxicity?

Correct AnswerverifiedShow Answer

Water-soluble vitamins:

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Which of the following is a major role of vitamin A in sustaining eyesight?

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Compounds that prevent oxidation are called prooxidants.

Correct AnswerverifiedShow Answer

Use the dietary supplement label below to answer the following question.

Correct AnswerverifiedShow Answer

Use the breakfast cereal tabel below to answer the following question.

Correct AnswerverifiedShow Answer

A compound that can be converted into an active vitamin inside the body is known as a(n) :

Correct AnswerverifiedShow Answer

Use the breakfast cereal tabel below to answer the following question.

Correct AnswerverifiedShow Answer

Describe the importance of folate intake in women of childbearing age. Describe the action undertaken by the FDA to increase folate contents in foods and the effect of this action.

Correct AnswerverifiedWhen adequate amount of folate is consum...View AnswerShow Answer

Healthy individuals can consume vitamin A-rich foods in large quantities, but excessive consumption of _____ causes vitamin A toxicity.

Correct AnswerverifiedShow Answer

You recommend that your friend not take "Stress Formula Vitamin C" supplements because:

Correct AnswerverifiedShow Answer

Infants are born with adequate vitamin K in their intestinal tracts.

Correct AnswerverifiedShow Answer

Research regarding the benefits or risks of taking vitamin supplements to reduce the risk of chronic diseases has shown that:

Correct AnswerverifiedShow Answer

Which of the following is a symptom of Wernicke-Korsakoff syndrome?

Correct AnswerverifiedShow Answer

Who among the following has a valid reason for taking vitamin supplements?

Correct AnswerverifiedShow Answer

Use the dietary supplement label below to answer the following question.

Correct AnswerverifiedShow Answer

Use the breakfast cereal tabel below to answer the following question.

Correct AnswerverifiedShow Answer

Which of the following foods is not a source of vitamin C?

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Which of the following statements is true of riboflavin?

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Why are dark-skinned children who live in smoggy northern cities likely to develop rickets?

Correct AnswerverifiedSunlight supplies the needed vitamin D f...View AnswerShow Answer

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When adequate amount of folate is consum...
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Sunlight supplies the needed vitamin D f...
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