1. Calorie balance refers to the relationship between calories consumed from foods and beverages and calories expended in normal body functions and through physical activity, and maintaining calorie balance over time is the key to weight management.
A. True B. False2. Children and adolescents are considered to be in a healthy weight range if their Body Mass Index (BMI) falls within which range?
A. 15th percentile to less than the 92nd percentile B. 12th percentile to less than 90th percentile C. 8th percentile to less than 87th percentile D. 5th percentile to less than 85th percentile3. In the late 1970's, 13% of adults in the United States were obese, compared to 28% in 2008.
A. True B. False4. Which of the following is an accurate statement about the physical activity levels of Americans?
A. Approximately one-half of American adults report that they participate in leisure-time physical activity on a regular basis B. National surveys using physical activity monitors indicate that 38 percent of children ages 6 to 11 years participate in 60 minutes of physical activity each day C. Approximately 8 percent of adolescents participate in 60 minutes of physical activity each day D. Less than 10 percent of adults participate in 30 minutes of physical activity each day, with slightly more meeting the recommended weekly goal of at least 120 minutes5. A calorie deficit of 500 calories or more per day is a common initial goal for weight loss for adults, while maintaining a smaller deficit can have a meaningful influence on body weight over time.
A. True B. False6. Starches are frequently added to foods to thicken or stabilize them, or to add essential nutrients.
A. True B. False7. It is recommened that active males, aged 51 and over, consume ____________ calories per day.
A. 2200-2600 B. 2400-2800 C. 2600-3000 D. 2600-30008. Inadequate intake of total fat is a rare concern in the United States, with most Americans consuming too much of each fat type including saturated, trans, and unsaturated fatty acids.
A. True B. False9. The Institute of Medicine has established ranges for the percentage of calories in the diet that should come from carbohydrate, protein, and fat, which are known as Acceptable Macronutrient Distribution Ranges (AMDR).
A. True B. False10. Each of the following is an accurate statement about macronutrient proportions and body weight EXCEPT:
A. To manage body weight, Americans should consume a diet that has an appropriate total number of calories and that is within the AMDR B. Moderate evidence suggests that diets that are less than 35 percent of total calories as carbohydrate or more than 25 percent of total calories as protein are generally no more effecÂtive than other calorie-controlled diets for long-term weight loss and weight maintenance C. Strong evidence shows that there is no optimal proportion of macronutrients that can facilitate weight loss or assist with maintainÂing weight loss D. Evidence shows that the critical issue in weight loss is not the relative proportion of macronutrients in the diet, but whether or not the eating pattern is reduced in calories and the individual is able to maintain a reduced-calorie intake over time11. For all age groups, it is recommended that 45-65% of daily calories come from carbohydrates.
A. True B. False12. Moderate evidence in adults and limited evidence in children and adolesÂcents suggests that increased intake of vegetables and/or fruits may protect against weight gain.
A. True B. False13. The amount of caloÂries provided per unit of food weight is:
A. Calorie density B. Calorie mass C. Calorie concentration D. None of the above14. Strong evidence shows that glycemic index and/or glycemic load are associated with body weight; thus, it is necessary to consider these measures when selecting carbohydrate foods and beverages for weight management.
A. True B. False15. As part of their 60 minutes of daily physical activity, children and adolescents should include muscle and bone strengthening physical activity on at least 3 days a week.
A. True B. False16. Which of the following in NOT one of the physical activity guidelines for adults age s 18-64?
A. For substantial health benefits, adults should do at least 150 minutes (2 hours and 30 minutes) a week of moderate-intensity, or 75 minutes (1 hour and 15 minutes) a week of vigorous-intensity aerobic physical activity B. For additional and more extensive health benefits, adults should increase their aerobic physical activity to 300 minutes (5 hours) a week of moderate-intensity, or 150 minutes a week of vigorous-intensity aerobic physical activity, or an equivalent combination of moderate- and vigorous-intensity activity C. Aerobic activity should be performed in episodes of at least 20 minutes, and preferably, it should be spread throughout the week D. Adults should also include muscle-strengthening activities that involve all major muscle groups on 2 or more days a week17. Children and adolescents are encouraged to spend no more than 1 to 2 hours each day watching televiÂsion, playing electronic games, or using the computer (other than for homework) and to avoid eating while watching television.
A. True B. False18. Eating patÂterns that are high in calories, but low in nutrients can leave a person overweight but malnourished, and nutritionally unbalanced diets can negatively affect a person’s health regardless of weight status.
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