Question 1

Melatonin has been shown to

Accepted Answer

A) delay aging. 
B) be safe and effective in the long term. 
C) increase the levels of sex hormones. 
D) decrease jet lag symptoms. 
A) delay aging. 
B) be safe and effective in the long term. 
C) increase the levels of sex hormones. 
D) decrease jet lag symptoms. D

Question 2

Which of the following statements about oral growth hormones is true?

Accepted Answer

A) They are broken down in the gut before they can reach their target. 
B) They increase muscle mass. 
C) They decrease body fat. 
D) They boost stamina. 
A) They are broken down in the gut before they can reach their target. 
B) They increase muscle mass. 
C) They decrease body fat. 
D) They boost stamina. A

Question 3

You are at a dinner party and realize that seven of the ten people at the table are taking some type of herbal supplement.Comment on the nutritional impact of taking herbal supplements.

Accepted Answer

Herbal supplements can have drug-like effects but are not regulated by the Food & Drug Administration (FDA).Most are readily available and relatively inexpensive.However,some herbs may be toxic and contain bacteria or other contaminants.Dosing of herbs is also difficult and toxicity could occur.Herbal supplements can also interfere with the normal digestion,absorption,and metabolism of nutrients from food sources.

Question 4

Which statement about the regulation of dietary supplements is true?

Accepted Answer

A) These products require FDA review,just like drugs. 
B) The FDA has the right to remove supplements from the market if there is a suspicion that it might not be safe. 
C) Supplements containing ingredients not sold in the US before October 15,1994 must provide the FDA with safety data. 
D) Since supplements are natural,they are safe for humans. 
A) These products require FDA review,just like drugs. 
B) The FDA has the right to remove supplements from the market if there is a suspicion that it might not be safe. 
C) Supplements containing ingredients not sold in the US before October 15,1994 must provide the FDA with safety data. 
D) Since supplements are natural,they are safe for humans.

Question 5

Which statement about lipoic acid is incorrect?

Accepted Answer

A) Supplements of lipoic acid will accelerate certain biological reactions. 
B) Lipoic acid is necessary for aerobic respiration. 
C) Lipoic acid is a coenzyme. 
D) Lipoic acid can by synthesized by human cells. 
A) Supplements of lipoic acid will accelerate certain biological reactions. 
B) Lipoic acid is necessary for aerobic respiration. 
C) Lipoic acid is a coenzyme. 
D) Lipoic acid can by synthesized by human cells.

Question 6

The 1994 Dietary Supplement Health and Education Act

Accepted Answer

A) limited the definition of a dietary supplement to only essential nutrients. 
B) ensured that dietary supplements would be safe. 
C) set up strict regulations regarding the dose and constituents of dietary supplements. 
D) defined the substances that could be included in products called dietary supplements. 
A) limited the definition of a dietary supplement to only essential nutrients. 
B) ensured that dietary supplements would be safe. 
C) set up strict regulations regarding the dose and constituents of dietary supplements. 
D) defined the substances that could be included in products called dietary supplements.

Question 7

Which supplement may be helpful for depression?

Accepted Answer

A) carnitine 
B) inositol 
C) SAM-e 
D) glucosamine 
A) carnitine 
B) inositol 
C) SAM-e 
D) glucosamine

Question 8

Enzyme supplements can be helpful for

Accepted Answer

A) individuals with deficiencies of digestive enzymes. 
B) normal individuals who want their digestive system to work more efficiently. 
C) people who have difficulty sleeping. 
D) diabetics. 
A) individuals with deficiencies of digestive enzymes. 
B) normal individuals who want their digestive system to work more efficiently. 
C) people who have difficulty sleeping. 
D) diabetics.

Question 9

St.John's wort contains the chemical found in:

Accepted Answer

A) Zoloft 
B) Valium 
C) Prozac 
D) birth control pills 
A) Zoloft 
B) Valium 
C) Prozac 
D) birth control pills

Question 10

Which supplement is a component of phospholipids in cell membranes?

Accepted Answer

A) carnitine 
B) inositol 
C) SAM-e 
D) glucosamine 
A) carnitine 
B) inositol 
C) SAM-e 
D) glucosamine

Question 11

Which statement about omega-three fatty acids is correct?

Accepted Answer

A) Supplements may not contain enough to have a beneficial effect. 
B) Supplements are necessary since the diet cannot provide enough. 
C) Supplements of omega-three fatty acids have caused dangerous side effects in most of the people who have taken them. 
D) It is not practical to try and get these fatty acids from food since cooking destroys them. 
A) Supplements may not contain enough to have a beneficial effect. 
B) Supplements are necessary since the diet cannot provide enough. 
C) Supplements of omega-three fatty acids have caused dangerous side effects in most of the people who have taken them. 
D) It is not practical to try and get these fatty acids from food since cooking destroys them.

Question 12

DHEA

Accepted Answer

A) is absorbed across the intestine. 
B) is modified by the kidney. 
C) is a breakdown product of the sex hormones. 
D) concentrations in the blood increase with age 
A) is absorbed across the intestine. 
B) is modified by the kidney. 
C) is a breakdown product of the sex hormones. 
D) concentrations in the blood increase with age

Question 13

Which statement about ginkgo biloba is incorrect?

Accepted Answer

A) Since ginkgo biloba is an herb,it has no side effects. 
B) Ginkgo biloba can cause high blood pressure when taken with a diuretic. 
C) Ginkgo biloba has no measurable benefit on memory in healthy adults. 
D) Ginkgo biloba is the top selling herbal medicinal product in the US. 
A) Since ginkgo biloba is an herb,it has no side effects. 
B) Ginkgo biloba can cause high blood pressure when taken with a diuretic. 
C) Ginkgo biloba has no measurable benefit on memory in healthy adults. 
D) Ginkgo biloba is the top selling herbal medicinal product in the US.

Question 14

Who might benefit from coenzyme Q supplements?

Accepted Answer

A) People with chronic fatigue. 
B) Athletes for increased muscle metabolism. 
C) People who take cholesterol lowering statin drugs. 
D) People whose muscles are weak. 
A) People with chronic fatigue. 
B) Athletes for increased muscle metabolism. 
C) People who take cholesterol lowering statin drugs. 
D) People whose muscles are weak.

Question 15

Which of the following statements about melatonin is untrue?

Accepted Answer

A) It is broken down in the gut before it can reach its target. 
B) Melatonin is made from the amino acid tryptophan. 
C) Melatonin influences sleep cycles in humans. 
D) Melatonin is a hormone. 
A) It is broken down in the gut before it can reach its target. 
B) Melatonin is made from the amino acid tryptophan. 
C) Melatonin influences sleep cycles in humans. 
D) Melatonin is a hormone.

Question 16

Are the benefits of amino acid supplementation worth the risk? Why or why not?

Accepted Answer

Amino acid supplements are popular among

Question 17

Which of the following statements is untrue?

Accepted Answer

A) There are no mandatory standards in supplement manufacture. 
B) the amount of an ingredient in a dietary supplement is standardized and does not vary from dose to dose. 
C) the degree of quality control depends on the manufacturer. 
D) The U.S.Pharmacopeia has developed a voluntary dietary supplement verification program to help insure quality. 
A) There are no mandatory standards in supplement manufacture. 
B) the amount of an ingredient in a dietary supplement is standardized and does not vary from dose to dose. 
C) the degree of quality control depends on the manufacturer. 
D) The U.S.Pharmacopeia has developed a voluntary dietary supplement verification program to help insure quality.

Question 18

Which of the following cannot raise blood sugar but can supply glucose for muscle contraction?

Accepted Answer

A) liver glycogen 
B) muscle glycogen 
C) cellulose 
D) pectin 
A) liver glycogen 
B) muscle glycogen 
C) cellulose 
D) pectin

Question 19

Which statement about flavonoid supplementation is correct?

Accepted Answer

A) These supplements can cure arthritis. 
B) Supplements have not been shown to have the same health promoting benefits as foods. 
C) These supplements are useful in macular degeneration. 
D) These supplements lower blood pressure. 
A) These supplements can cure arthritis. 
B) Supplements have not been shown to have the same health promoting benefits as foods. 
C) These supplements are useful in macular degeneration. 
D) These supplements lower blood pressure.

Question 20

Supplements of the amino acid L-tryptophan

Accepted Answer

A) taken before exercise boost growth hormone release. 
B) increase muscle mass. 
C) enhance exercise performance. 
D) have been linked to a potentially deadly blood disorder. 
A) taken before exercise boost growth hormone release. 
B) increase muscle mass. 
C) enhance exercise performance. 
D) have been linked to a potentially deadly blood disorder.

Focus on Supplements

Melatonin has been shown to

Which of the following statements about oral growth hormones is true?

You are at a dinner party and realize that seven of the ten people at the table are taking some type of herbal supplement.Comment on the nutritional impact of taking herbal supplements.

Which statement about the regulation of dietary supplements is true?

Which statement about lipoic acid is incorrect?

The 1994 Dietary Supplement Health and Education Act

Which supplement may be helpful for depression?

Enzyme supplements can be helpful for

St.John's wort contains the chemical found in:

Which supplement is a component of phospholipids in cell membranes?

Which statement about omega-three fatty acids is correct?

DHEA

Which statement about ginkgo biloba is incorrect?

Who might benefit from coenzyme Q supplements?

Which of the following statements about melatonin is untrue?

Are the benefits of amino acid supplementation worth the risk? Why or why not?

Which of the following statements is untrue?

Which of the following cannot raise blood sugar but can supply glucose for muscle contraction?

Which statement about flavonoid supplementation is correct?

Supplements of the amino acid L-tryptophan

Nutrition: Food for Health

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Elements

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus On Alcohol

Focus on Biotechnology

Focus On Eating Disorders

Focus On Phytochemicals

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