Question 1

Some macrobiotic diets are hazardous to health.

Accepted Answer

Some macrobiotic diets, especially those that are extremely restrictive, can lead to nutritional deficiencies and health problems.

Question 2

The terms natural, organic, and health food are frequently used interchangeably.

Accepted Answer

The terms natural, organic, and health food are often used interchangeably, even though they have different meanings. Natural foods are those that have not been processed or altered in any way. Organic foods are those that have been grown without the use of pesticides or herbicides. Health foods are those that are thought to be good for your health.

Question 3

The majority of nutrition scientists disagree with Linus Pauling's view that megadoses of vitamin C can prevent colds.

Accepted Answer

Most nutrition scientists and studies conclude that while vitamin C can slightly reduce the duration of a cold, there is no substantial evidence to support Linus Pauling's claim that megadoses can prevent colds.

Question 4

Vitamins A and D can be hazardous to health when taken in dosages five times the Recommended Dietary Allowances.

Accepted Answer

Vitamins A and D are fat-soluble vitamins, which means they can accumulate in the body's fat tissues and lead to toxicity if consumed in excessive amounts, significantly above the Recommended Dietary Allowances.

Question 5

The nutritional value of a food equals the value of its individual nutrient components.

Accepted Answer

The answer of The nutritional value of a food equals...

Question 6

Bee pollen can cause severe allergic reactions.

Accepted Answer

Bee pollen can trigger severe allergic reactions in individuals who are allergic to pollen, as it contains the same allergenic properties found in plant pollen.

Question 7

The most widely used food additives are sugar, salt, and corn syrup.

Accepted Answer

Sugar, salt, and corn syrup are among the most commonly used food additives due to their roles in flavor enhancement, preservation, and texture modification in a wide range of processed foods.

Question 8

Books and magazine articles often make health claims that would be illegal on product labels.

Accepted Answer

Books and magazine articles are not regulated in the same way as product labels, allowing them to make health claims that would not be permitted on product packaging due to stricter regulations governing product claims.

Question 9

The vitamin content of plants is determined by their heredity.

Accepted Answer

The vitamin content of plants is primarily determined by their genetic makeup, which influences their ability to synthesize and accumulate various vitamins. Environmental factors and cultivation practices can also affect vitamin levels, but the plant's heredity sets the foundational potential for vitamin content.

Question 10

Food faddism can be defined as an unusual pattern of food behavior that is enthusiastically adopted by its adherents.

Accepted Answer

Food faddism refers to the practice of adopting an unconventional dietary regimen, often with exaggerated zeal, based on the belief that it offers special health benefits.

Question 11

Many products regulated as dietary supplements are promoted for the treatment of disease.

Accepted Answer

Many products marketed as dietary supplements claim to treat, prevent, or cure diseases, despite regulations that prohibit such claims without FDA approval.

Question 12

Healthy individuals can obtain all the nutrients that they need by eating a sensible variety of foods.

Accepted Answer

A well-balanced diet consisting of a variety of foods can provide all the essential nutrients (vitamins, minerals, proteins, carbohydrates, and fats) that healthy individuals need for proper growth and function.

Question 13

There is no scientific evidence that emotional stress increases vitamin needs.

Accepted Answer

There is no scientific evidence to support the claim that emotional stress increases vitamin needs.

Question 14

Large doses of vitamin supplements can be hazardous to health.

Accepted Answer

Large doses of vitamin supplements can exceed the body's needs and lead to toxicity or other adverse effects, as the body can only utilize a certain amount of vitamins, and the excess can be harmful.

Question 15

Calcium supplements may be advisable for postmenopausal women.

Accepted Answer

Postmenopausal women are at a higher risk for osteoporosis due to lower estrogen levels, which can lead to decreased calcium absorption and bone loss. Calcium supplements can help mitigate this risk by supporting bone health.

Question 16

Health foods are promoted with False claims and are usually overpriced.

Accepted Answer

Many health foods are marketed with exaggerated or false claims about their benefits, and they are often sold at higher prices compared to regular food items, capitalizing on consumers' willingness to pay more for perceived health benefits.

Question 17

Food additives should be judged individually with regard to safety and usefulness.

Accepted Answer

Each food additive has its own unique properties and potential effects on health, so it is important to evaluate them on a case-by-case basis to determine their safety and usefulness in food products.

Question 18

Health food retailers frequently prescribe products for health problems.

Accepted Answer

Health food retailers are not qualified to prescribe products for health problems. Only licensed healthcare professionals, such as doctors and pharmacists, are qualified to prescribe medications and treatments.

Question 19

The American Dietetic Association has collected evidence that unqualified nutritionists have harmed many people by giving inappropriate advice.

Accepted Answer

The American Dietetic Association (now known as the Academy of Nutrition and Dietetics) has expressed concerns over the years about the potential harm caused by unqualified individuals offering nutrition advice. They advocate for the importance of seeking guidance from professionally trained and credentialed dietitians or nutritionists to ensure safe and effective nutrition counseling.

Question 20

The taste of fruits and vegetables depends mainly on their heredity and ripeness when harvested.

Accepted Answer

The taste of fruits and vegetables is significantly influenced by their genetic makeup (heredity) and the stage of ripeness at which they are harvested. Different varieties have distinct flavors due to genetic differences, and ripeness affects sweetness, texture, and overall taste.

Quiz 12: Weight Control