1.2.T - Lesson: Dietary Supplements

Question 1

__________ are any of a variety of products intended to supplement the diet. They are not drugs and therefore are not intended to prevent, diagnose, mitigate, treat, or cure diseases.

Answer 1

Dietary supplements

Question 2

Aside from a daily multivitamin, it’s much safer to choose supplements that __________.

Answer 2

Contain just the single ingredient your body needs

Question 3

What does FDA stand for?

Answer 3

Food and Drug Administration

Question 4

In general, children and adults may benefit from taking one __________ per day. Doing this can help provide a consistent source of the necessary vitamins, minerals, and micronutrients.

Answer 4

Multivitamin

Question 5

Dietary supplements include vitamins, minerals, herbs, and many other products that are ingested in several forms. In which of the following forms can dietary supplements be found? (Select all that apply.)
Powders
Energy bars
Drinks
Pills
Gas
Capsules

Answer 5

Powders
Energy bars
Drinks
Pills
Capsules

Question 6

Scientific evidence shows that some dietary supplements are beneficial for overall health and for managing some health conditions. (t/f)

Answer 6

True

Question 7

Some ingredients found in dietary supplements are also being added to a growing number of foods, including breakfast cereals and beverages; this is called fortification. Because of this, you may actually be getting a lot more of certain nutrients than you think, and getting more might not be better for you—it could be worse. Getting a lot more than you need of certain nutrients will often increase the risk of experiencing side effects caused by toxicity. For example, getting too much vitamin A can do which of the following? (Choose three.)

Cause birth defects
Reduce bone strength
Cause night blindness
Cause headaches and liver damage
Cause cancer

Answer 7

Cause birth defects
Reduce bone strength
Cause headaches and liver damage

Question 8

Some groups of people, because of distinct nutritional needs, benefit most from taking a vitamin and/or mineral supplement. Which of the following groups could benefit from taking a vitamin and/or mineral supplement? (Select all that apply.)
People with eating disorders or certain medical conditions
Vegetarians and vegans
Dieters or people avoiding certain food groups
Pregnant or lactating women
Newborn babies
Women of childbearing age
Children and teenagers with irregular eating habits
Senior citizens
People who regularly eat processed foods and fast food

Answer 8

People with eating disorders or certain medical conditions
Vegetarians and vegans
Dieters or people avoiding certain food groups
Pregnant or lactating women
Women of childbearing age
Children and teenagers with irregular eating habits
Senior citizens
People who regularly eat processed foods and fast food

Question 9

Regarding dietary supplements, manufacturers must follow certain good manufacturing practices to ensure the __________, __________, __________, and __________ of their products. (Choose four.)
Size
Identity
Price
Strength
Flavor
Color
Composition
Purity

Answer 9

Identity
Strength
Composition
Purity

Question 10

Some ingredients found in dietary supplements are also being added to a growing number of foods, including breakfast cereals and beverages; this is called fortification. Because of this, you may actually be getting a lot more of certain nutrients than you think, and getting more might not be better for you—it could be worse. Getting a lot more than you need of certain nutrients will often increase the risk of experiencing side effects caused by toxicity. Excess iron may cause which of the following? (Choose three.)
Depression
Nausea
Excess hunger
Excess thirst
Damage to the liver and other organs
Vomiting

Answer 10

Nausea
Damage to the liver and other organs
Vomiting

Question 11

Which federal agency polices product advertising and requires all information about a dietary supplement product to be truthful and not misleading?
MLA
FCC
FDA
EPA
Federal Drug Administration
Federal Trade Commission

Answer 11

Federal Trade Commission

Question 12

Dietary supplements can also interact with certain prescription drugs in ways that might cause problems. Which of the following is NOT an example of how dietary supplements can interact with certain prescription drugs and cause problems?

The herb St. John’s wort can cause many drugs (including birth control pills and antidepressant medications) to break down much more quickly, and that reduces the effectiveness of those drugs
Antioxidant supplements, like calcium and potassium, might reduce the effectiveness of some types of cancer chemotherapy
Certain antioxidant supplements, such as vitamins C and E, might reduce the effectiveness of chemotherapy for some types of cancer
Vitamin K can reduce the effectiveness of prescription blood thinners and prevent your blood from clotting, and that can lead to excess bleeding

Answer 12

Antioxidant supplements, like calcium and potassium, might reduce the effectiveness of some types of cancer chemotherapy