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
c
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Which of the following could cause adults to lose up to 50 percent of their body weight?
A. prolonged starvation B. adherence to a fad diet C. lack of drinking water D. lack of sleep
Which of the following statements is true?
A. According to nutrition experts, junk foods have no nutritional value. B. Strawberries are an energy-dense food. C. Most naturally occurring foods contain more than one nutrient. D. Milk, bananas, and soybeans are among the few nutritionally perfect foods for humans.
The feeling of hunger:
A) is triggered more often in people who are underweight. B) doesn't occur regularly for those who are overweight or obese. C) is triggered by seeing or smelling food. D) is triggered by a complex series of signals sent from the body to the brain.