Are the following statements true or false? A. Most of the energy stored in the human body is in the form of fat, followed by protein. The body has only limited capacity for storage of carbohydrate. B. It is estimated that one kg of fat gain requires 2500 kcal of energy surplus.
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A: Answer True
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- Joe would need to cut back on sweets and eating late at night. His carb intake is very high, so we recommend more fruits and vegetables low in calories and low in fats. What is the independent variable? What is the dependent variable?Which of the following states about Basal Metabolic Rate is NOT true? A) Basal Metabolic Rate is linearl proportional to weight B) Basal Metabolic Rate is the amount of energy need to maintain body functions C) Basal Metabolic Rate represents the energy needs of a human at rest D) As size increase Basal Metabolic Rate also increases E) Basal Metabolic Rate can be measured indirectly via oxygen consumptionThe long-term stability of weight is often considered a marker of energy balance. According to Hall et al., why does weight change in the short term not necessarily represent energy imbalance? Changes in body weight include changes in body water, which may be variable Rapid turnover of fat stores can lead to short term changes in body weight Variations in energy stored per unit of body weight exist All of the above
- Given the discussions on the link between metabolism and energy demand, which of the following statements would be accurate? a. Compared to glycogenolysis, lipolysis is the more heavily relied upon for supporting the energy needs at rest b. Upon transition from rest to exercise, the amount of carbohydrate metabolism decreases c. Due to its low energy:substrate molar ratio, CrP metabolism does not contribute to the energy needs during rest. d. All of the above are accurate statementsConsider a 96 kg adult, who is overweight. Weight loss would improve their general health and wellbeing. If 35 % of the body mass of this 96 kg adult consists of TGs (in adipose tissue), what is the total available fuel reserve, in kJ and kcal, in the form of TGs? 2. This 96 kg adult decides to begin a starvation diet to lose weight. They aim to reduce their weight to 75 kg, which will be a weight loss of 21 kg. If the only source of nutrient energy for this 96 kg adult is the oxidation of fatty acids stored at TGs, how long (in days plus hours) will it take for this person to lose 21 kg of their body weight under starvation conditions? The daily energy expenditure for this 96 kg adult is 8700 kJ. This is equivalent to the recommended Australian average daily energy intake of 8700 kJ. 3. Calculate the weight loss in kg/day under such starvation conditions if the oxidation of fatty acids stored as TGs were the…Some nutritionists are claiming that the secret to long life is to be slightly underweight as an adult. If a person’s weight is related partly to diet, partly to activity level, and partly to genetics, what underlying factors could be at work to generate statistics that support this claim?
- The thermoneutral zone is the range of body temperatures over which an animal can maintain a constant basal metabolic rate. Which of the following patterns about thermoregulation is true? A. Below the lower critical threshold, animals must decrease their metabolic rate in order to maintain body temperature B. Animals living in the arctic have higher critical temperatures than do animals in the tropics C. When outside temperatures are below the lower critical temperature for an animal, animals in the arctic increase their metabolic rate faster than do animals in the tropics D. All of the above E. None of the aboveThe “milkshake studies” described in lecture ways that the eating of dieters differs from non-dieters. Name two of these differences and explain why these differences are important in understanding the long-term effectiveness of dieting.If your energy needs are 2500 kcal per day, what percent of your daily value of the following: Need each answer individually. Is there a nutrition guide for daily values of the items listed below for a 2500 kcal diet? 1. total fat, if you ate 1.5 grams of fat? 2. sodium, if you ate 150 mg of sodium? 3. dietary fiber, if you ate 4 grams of fiber?
- Basal Metabolic Rate (BMR) is the amount of energy your body uses to function at rest in a day. This includes the energy required to keep the heart beating, the lungs breathing, the kidneys functioning, and the body temperature stabilized. Approximately 70 percent of an individual’s energy expenditure goes into basal metabolism. The other 30 percent goes into digestion and absorption of nutrients (10%) and physical movement (about 20%). Calculate your basal metabolic rate in Calories using the appropriate equation here: Females: BMR = 655 + (9.6 × wt(kg)) + (1.8 × ht(cm)) – (4.7 × age(yrs)) Males: BMR = 66 + (13.7 × wt(kg)) + (5 × ht(cm)) – (6.8 × age(yrs)) Calculate how many Calories you burn overall in a day.Which of the following will NOT elevate metabolic rate? A. ncreased Age B. Decreased Body Temperature C. Increased Weight (i.e., Mass) D. A and B E. All of the AboveDifferent lifestyles and careers can result in completely different energy requirements -even between two similarly sized people of the same sex. (a) Compare the energy requirements of an office worker and a landscaper who mows lawns with a push mower for 8 hours each day. Who has the higher energy requirement and why? [2] (b) What might happen over the course of one year if they each consume the same number of Calories daily? Explain why.