What area burns the largest number of calories per day? Caffeine consumption Resting metabolic rate Thermogenic effect of food Physical activity
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Total daily energy expenditure is predominantly determined by which metric? Group of answer choices Basal metabolism Thermic effect of food Non-exercise activity Physical activity
Jennifer S.
Caffeine Caffeine is the world's most widely used stimulant, with approximately 80% consumed in the form of coffee. Participants in a study investigating the relationship between coffee consumption and exercise were asked to report the number of hours they spent per week on moderate (e.g., brisk walking) and vigorous (e.g., strenuous sports and jogging) exercise. Based on these data the researchers estimated the total hours of metabolic equivalent tasks (MET) per week, a value always greater than 0. The table below gives summary statistics of MET for women in this study based on the amount of coffee consumed. Caffeinated coffee consumption ≤ 1 cup/week | 2-6 cups/week | 1 cup/day | 2-3 cups/day | ≥ 4 cups/day | Total Mean: 18.7 | 19.6 | 19.3 | 18.9 | 17.5 | 19.01 SD: 21.1 | 25.5 | 22.5 | 22.0 | 22.0 n: 12,215 | 6,617 | 17,234 | 12,290 | 2,383 | 50,739 We would like to perform a hypothesis test to evaluate if the average physical activity level varies among the different levels of coffee consumption. You may want to fill in the following table as you work: Df | Sum Sq | Mean Sq | F value | Pr(>F) coffee Residuals | | 25,564,819 Total
David N.
Calculate the daily Caloric expenditure for "foot bouncing" by multiplying the number of hours spent sitting X the caloric conversion X your weight. Cal Assume that the average "non-foot-bouncer" person burns 1600 Cal per day. What percent more Calories is being burned by the foot bouncer? % Brown Fat Some of the fat cells in your body are specialized to help maintain body temperature. These special brown fat cells burn fat and produce extra heat. This allows you to keep warm on a cold day. Some people give off much more heat than others after eating a big meal. Their brown fat may be burning the extra fuel from a big meal. Therefore, some of those extra Calories won't be stored as fat. The heat produced by these people suggests that their metabolic rate is at least 10% higher than normal. In contrast, people with less brown fat may be storing the extra food energy as fat instead of metabolizing it. ? QUESTION 1. Find the energy expenditure for "sitting" in the Caloric Conversions for Activities table. Use this estimate for the normal basic metabolic rate. If "brown fat" increases the energy output to 10% above normal, what is 10% of the sitting energy? Cal/hr/kg 2. If this extra heat-production effect lasted for 10 hours in a 60-kg person, then how many extra Calories would the "high-brown-fat" person burn in a day? extra Calories
Dominador T.
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