Inorganic elements essential to human nutrition are called __________.
a. carbohydrates
b. minerals
c. fats
d. vitamins
Ans: b. minerals
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What percentage of U.S. adults report that they engage in NO regular physical activity?
A) 10% B) 20% C) 30% D) 40%
All six classes of nutrients play important roles in regulating body processes.
a. true b. false
To avoid cross-contamination of foods: a. it is good practice to keep a separate cutting board just for raw meats
b. avoid placing a raw slice of tomato on a cooked hamburger patty. c. do not place containers of cooked foods to chill next to each other on the same shelf. d. do not thaw raw meats in the refrigerator. e. use the same plate for bringing burgers out to the grill and to retrieve the cooked burgers.
According to the Dietary Guidelines, what proportion of grain servings should be consumed from whole-grain sources?
a. 100 percent b. 75 percent c. 50 percent d. 33 percent e. 25 percent