Which of the following is a general function of vitamin C?
a. Antiviral agent
b. Antifungal agent
c. Anticancer agent
d. Antioxidant agent
e. Emulsifying agent
ANS: D
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Approximately what percentage of all cancers are related to environmental factors that modify the structure and function of DNA?
a. 25% b. 50-75% c. 80-90% d. 10%
France and Japan have a lower caloric intakes than the U.S. and both have longer life expectancies; therefore, a calorically restricted diet can extend the life span in humans
Indicate whether the statement is true or false
Vitamin A toxicity is likely to occur from _____
a. consuming too many dark green vegetables b. overconsumption of whole grains c. consuming large amounts of fortified foods or vitamin A supplements d. drinking too much orange juice e. consuming too many carrots
A serving of food contains 20 g carbohydrate, 6 g protein, 10 g fat, 5 mg vitamin C, and 3 oz of water. Based on this information, a serving of this food supplies ________ kcal.
A. 107 B. 194 C. 217 D. 87