Question 1

Which of the following statements is true about vitamin characteristics?

Accepted Answer

A)  They cannot be stored by the body.
B)  They are inorganic.
C)  They help regulate chemical reactions in the body.
D)  They directly supply energy to the body.E) C) and D)
F) All of the above

Question 2

Which of the following is not classified as a B vitamin?

Accepted Answer

A)  Riboflavin
B)  Niacin
C)  Choline
D)  BiotinE) All of the above
F) A) and D)

Question 3

When B vitamins are consumed in their coenzyme forms,

Accepted Answer

A)  intestinal absorption of fat is enhanced.
B)  they are broken down to free vitamins in the stomach and small intestine prior to absorption.
C)  toxicity of B vitamins is likely to occur.
D)  more energy is available to the body.E) A) and B)
F) A) and D)

Question 4

A nutrient that has been deemed essential but has not been classified as a vitamin is

Accepted Answer

A)  resveratrol.
B)  beta-carotene.
C)  choline.
D)  ascorbic acid.E) A) and B)
F) All of the above

Question 5

Examples of foods that are rich sources of phytochemicals include

Accepted Answer

A)  gluten-free products,wild game,red wine,and green tea.
B)  plant and animal proteins.
C)  monounsaturated oils,whole grains,and poultry.
D)  fruits,vegetables,whole grains,herbs,nuts,and seeds.E) None of the above
F) C) and D)

Question 6

If you wanted to add significant quantities of vitamins and minerals to your diet from the food you eat,a good choice would be

Accepted Answer

A)  apple juice.
B)  a multivitamin.
C)  a doughnut made with enriched white flour.
D)  a fortified breakfast cereal such as Total® Raisin Bran.E) All of the above
F) A) and D)

Question 7

Calcium,phosphorus,magnesium,and fluoride mainly serve as structural components of

Accepted Answer

A)  the skin.
B)  the central nervous system.
C)  bones and teeth.
D)  hair and fingernails.E) B) and D)
F) B) and C)

Question 8

Which of the following is an example of a vitamin that is more bioavailable in its synthetic form?

Accepted Answer

A)  Vitamin A
B)  Vitamin E
C)  Folate
D)  Vitamin B-6E) All of the above
F) None of the above

Question 9

When buying a vitamin or mineral supplement,look for ______ on the label for evidence the product has been tested for purity,strength,and quality.

Accepted Answer

A)  UPS
B)  SPU
C)  PSU
D)  USPE) A) and C)
F) B) and D)

Question 10

Which of the following statements is not correct when describing the role of minerals in the body?

Accepted Answer

A)  They facilitate the transfer of nerve impulses.
B)  They are constituents of important body compounds.
C)  They provide 4 kilocalories per gram.
D)  They help maintain water balance.E) A) and B)
F) All of the above

Question 11

Megadoses are defined as vitamin intakes ________ times the estimated human needs to prevent a deficiency.

Accepted Answer

A)  1 to 3
B)  2 to 10
C)  50
D)  100E) C) and D)
F) A) and D)

Question 12

Vitamins A,C,and E work together to

Accepted Answer

A)  protect the body from damage by free radicals.
B)  serve as coenzymes in the chemical reactions of energy metabolism.
C)  maintain the balance between intracellular and extracellular fluid.
D)  provide strength and stability to bones.E) None of the above
F) B) and C)

Question 13

Orlistat is a weight-loss medication with a possible side-effect of

Accepted Answer

A)  excessive storage of fat-soluble vitamins.
B)  increased urinary excretion of water-soluble vitamins.
C)  impaired absorption of minerals.
D)  limiting absorption of fat-soluble vitamins.E) C) and D)
F) A) and D)

Question 14

Which of the following is true about the absorption,transport,and storage of fat-soluble vitamins?

Accepted Answer

A)  They enter the bloodstream directly from the stomach.
B)  Fat in the digestive contents is not important for their absorption.
C)  They are not able to be stored in the body.
D)  They are stored in the liver and fatty tissue.E) A) and D)
F) B) and C)

Question 15

The primary site of micronutrient absorption is the

Accepted Answer

A)  liver.
B)  large intestine.
C)  small intestine.
D)  stomach.E) A) and C)
F) A) and B)

Question 16

Which of the following is a function of phytochemicals?

Accepted Answer

A)  Increases inflammation and oxidative damage to cells
B)  Regulates cell signaling and gene expression
C)  Increases the formation of blood clots
D)  Increases the initiation and proliferation of cancerE) A) and B)
F) B) and D)

Question 17

Of the following minerals,daily requirements are highest for

Accepted Answer

A)  iron.
B)  iodine.
C)  calcium.
D)  copper.E) None of the above
F) A) and C)

Question 18

Which of the following is not a true statement regarding fat malabsorption?

Accepted Answer

A)  It results in decreased absorption of fat-soluble vitamins.
B)  It increases the risk of fat-soluble vitamin deficiency.
C)  It increases the risk of developing pellagra or beriberi.
D)  It increases the risk of developing rickets or osteomalacia.E) A) and D)
F) C) and D)

Question 19

Which of the following is true about the intake of vitamins?

Accepted Answer

A)  All vitamins consumed in excess are excreted.
B)  Supplemental vitamins are better than those from food.
C)  Occasional lapses in vitamin intake should cause no harm.
D)  It is hard to get all the vitamins we need from food.E) C) and D)
F) A) and C)

Question 20

Which of the following is best for preserving the vitamin content of foods?

Accepted Answer

A)  Exposure to light
B)  Cooking in water
C)  Flash freezing
D)  AlkalinityE) B) and D)
F) C) and D)

Exam 8: Overview of Micronutrients and Phytochemicals

When B vitamins are consumed in their coenzyme forms,

Correct AnswerverifiedShow Answer

A nutrient that has been deemed essential but has not been classified as a vitamin is

Correct AnswerverifiedShow Answer

Which of the following is an example of a vitamin that is more bioavailable in its synthetic form?

Correct AnswerverifiedShow Answer

Which of the following is true about the intake of vitamins?

Correct AnswerverifiedShow Answer

Orlistat is a weight-loss medication with a possible side-effect of

Correct AnswerverifiedShow Answer

When buying a vitamin or mineral supplement,look for ______ on the label for evidence the product has been tested for purity,strength,and quality.

Correct AnswerverifiedShow Answer

Examples of foods that are rich sources of phytochemicals include

Correct AnswerverifiedShow Answer

Which of the following is true about the absorption,transport,and storage of fat-soluble vitamins?

Correct AnswerverifiedShow Answer

If you wanted to add significant quantities of vitamins and minerals to your diet from the food you eat,a good choice would be

Correct AnswerverifiedShow Answer

Of the following minerals,daily requirements are highest for

Correct AnswerverifiedShow Answer

Which of the following is best for preserving the vitamin content of foods?

Correct AnswerverifiedShow Answer

Which of the following is not classified as a B vitamin?

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Which of the following is not a true statement regarding fat malabsorption?

Correct AnswerverifiedShow Answer

Which of the following statements is true about vitamin characteristics?

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Vitamins A,C,and E work together to

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Megadoses are defined as vitamin intakes ________ times the estimated human needs to prevent a deficiency.

Correct AnswerverifiedShow Answer

Calcium,phosphorus,magnesium,and fluoride mainly serve as structural components of

Correct AnswerverifiedShow Answer

The primary site of micronutrient absorption is the

Correct AnswerverifiedShow Answer

Which of the following is a function of phytochemicals?

Correct AnswerverifiedShow Answer

Which of the following statements is not correct when describing the role of minerals in the body?

Correct AnswerverifiedShow Answer

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