Question 1. What is an exchange reaction?
A reaction that produces free radicals
A two-part metabolic reaction that includes oxidation and reduction steps
The first stage of cancer development, in which a cell's DNA mutates
A reaction that converts a provitamin into the metabolically active form
Question 2. Carbon and hydrogen are two examples of:
atoms.
antioxidants.
electrons.
nuclei.
Question 3. The most powerful and abundant form of vitamin E is:
alpha-tocopherol.
beta-tocopherol.
gamma-tocopherol.
delta-tocopherol.
Question 4. The deficiency disease associated with Vitamin C is:
scurvy.
erythrocyte hemolysis.
night blindness.
Keshan disease.
Question 5. Which of the following nutrients requires the most frequent consumption to assure adequate body stores?
Vitamin A
Vitamin E
Vitamin C
Beta-carotene
Question 6. Which of the following foods would be the best dietary source of pre-formed Vitamin A?
Carrots
Egg
Cantaloupe
Rice
Question 7. The phytochemical found in tomatoes and tomato products is:
lycopene.
flavonoids.
phytoestrogens.
polyphenols.
Question 8. Which of the following is our primary dietary source of Vitamin D?
Seafood
Chicken
Green leafy vegetables
Milk
Question 9. Mary G. is 60 years old and at risk for osteoporosis. Which of the following dietary supplements would be the MOST helpful to minimize bone loss?
Magnesium and fluoride
Vitamin K and fluoride
Calcium and phosphorus
Calcium and Vitamin D
Question 10. The chronic overconsumption of ________ can result in a biotin deficiency.
herbal tea
raw egg whites
natural licorice
grapefruit juice.