M7 Nutrion

The best way to add antioxidants to the diet is to ________.

• rely on supplements to meet RDA

• combine dietary intake and supplementation

• add a selenium supplement to a diet rich in vitamin E

• eat generous servings of fruits and vegetables daily

• create a diet rich in low-carb, high-protein foods

Which of the following describes the effect of vitamin A in foods?

• Fast-food French fries are good sources of vitamin A.

• Arctic explorers who have eaten large quantities of polar bear liver have become ill with symptoms suggesting vitamin A toxicity.

• To date, scientists have been unable to solve the problem of vitamin A deficiencies in developing countries.

• Xanthophylls in vegetables can be converted to active vitamin A in the intestinal cells.

• Pregnant women should eat at least one ounce of beef liver per day to help ensure normal fetal eye development.

Which of the following foods is a very good source of vitamin A?

• peanut butter

• butternut squash

• sunflower seeds

• whole-grain bread

• pinto beans

Which of the following is a bone disease characterized by softening of the bones and occurs most often in adult women?

• osteoporosis

• osteopenia

• osteoarthritis

• osteomalacia

• osteomyelitis

With the help of sunlight, the body can synthesize vitamin D from a precursor made from ________.

• histamine

• beta-carotene

• tryptophan

• cholesterol

• eicosapentaenoic acid

Which of the following is a feature of Retin-A?

• It is effective in treating rickets.

• It is taken orally to treat the deep lesions of cystic acne.

• It is known to be effective in fighting acne and wrinkles.

• It prevents birth defects when used by pregnant women.

• It is known to cause inflammation and darkly pigmented skin.

Vitamin K helps promote blood clotting.

• True

• False

Peak bone mass is developed by age ________.

• 5

• 10

• 15

• 30

• 60

Which is the least toxic of the fat-soluble vitamins?

• A

• E

• K

• D2

• D3

Vitamin D2 is derived from plant foods and also is known as ________.

• foliocalciferol

• ergocalciferol

• phyllocalciferol

• xanthociferol

• cholecalciferol