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Nutrition 120 Chapter 9
Nutrients that Function as Antioxidants
38
Science
12/08/2009

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Term
The safest way to meet vitamin A needs is by
Definition
consuming a variety of brightly colored fruits and vegetables
Term

Which of the following snacks provides the most vitamin C?

Definition
Vanilla ice cream topped with sliced strawberries.
Term

An atom’s nucleus has a

Definition
positive charge.
Term

Which of the following serves as an antioxidant in cell membranes, protecting them and DNA inside cells, from damage?

Definition
Vitamin E
Term

In green vegetables, such as broccoli, the orange pigments of provitamin A carotenoids are masked by 

Definition
chlorophyll
Term

Which of the following is an antioxidant?

Definition
Vitamin C
Term

Glutathion peroxidase converts

Definition

peroxides into water.

Term

Free radicals are generated by 

Definition
normal metabolic processes.
Term

Beta-carotene is a precursor to

Definition
vitamin A
Term

Which of the following is not accounted for in the calculation of RAEs?

Definition
 Lutein
Term

The bioavailability of carotenoids is affected by 

Definition
cooking
Term

Which of the following qualities can help to identify produce that is rich in antioxidants?

Definition
Color
Term

Which of the following population groups has increased vitamin C requirements?

Definition
Smokers
Term

An average severing of which food provides the most vitamin A?

Definition
Liver
Term

The vitamin C content of foods can be decreased by?

Definition
 All of these choices are correct!
Term

Most vitamin A is stored in the?

Definition
Liver
Term

Which of the following groups is at high risk for negative consequences of marginal vitamin E status? 

Definition
Preterm infants
Term

Formation and maintenance of collagen requires?

Definition
 vitamin C
Term

A mineral that has antioxidant functions and has been suggested to reduce cancer risk is?

Definition
 selenium
Term

George wants to increase his consumption of vitamin A for the possible cancer risk-reducing effects.  Which of the following foods should he choose?

Definition
  Spinach
Term

All of the following can be described as functional foods except:

Definition
 a granola bar with added calcium to improve bone health.
Term

Vitamin E functions as an 

Definition
antioxidant
Term

Muscle pain, wasting, and heart damage result from a deficiency of?

Definition
selenium
Term

Antioxidants donate electrons to

Definition
free radicals
Term

Which of the following foods is highest in selenium?

Definition
Tuna
Term

Which of the following marketing campaign aims to improve the antioxidant content of the typical North American diet?

Definition
  Five-a-day
Term

Replacing animal fats with plants oils in the diet would not only cut saturated fat intake, but would also?

Definition
increase vitamin E intake
Term

Vitamin E is thought to be helpful in the prevention of heart disease because it?

Definition
prevents oxidation of LDL cholesterol
Term

Scurvy can be prevented with adequate intakes of

Definition
Vitamin C
Term

Selenium plays a role in all of the following except:

Definition
regulation of fluid status
Term

The most bioavailable source of vitamin E is

Definition
plant oil
Term

Which of the following is a good source of provitamin A? 

Definition
Apricot
Term

Which of the following vitamins has been helpful in large doses as a treatment for acne?

Definition
 Vitamin A
Term

Vitamin C enhances the absorption of?

Definition
Iron
Term

Vitamin C participates in the recycling of 

Definition
Vitamin E
Term

Vitamin E aids the absorption of

Definition
Vitamin A
Term

Which of the following is the best source of preformed vitamin A?

Definition
Liver
Term

An average serving of which food provides the most vitamin A?

Definition
Liver