Middle Tennessee State University - NFS 2220

Energy Balance

Multiple Choice Questions

1)What would be the approximate weight gain of a person who consumes an excess of 500 kcalories daily for one month?

1. 1. 0.5 lb
   2. 2 lbs
   3. 3 lbs
   4. 4 lbs
   5. 8 lbs
2. When an adult gains an extra 10 pounds of body weight, approximately how much of this weight is fat?
   1. 1 lb
   2. 2.5 lbs
   3. 5 lbs
   4. 7.5 lbs
   5. 9 lbs
3. Approximately what percentage of weight loss during starvation is lean body mass? a.        10%

b.   20%

c.     35%

d.   50%

e.    75%

4. What is an indirect measure of the amount of energy released from food?
   1. The increase in heat given off when the food is burned
   2. Quantity of oxygen consumed when the food is burned
   3. Quantity of carbon dioxide consumed when the food is burned
   4. The increase in heat retained by the food when it is slowly brought to 100° C
   5. The decrease in ambient temperature when the food is chilled to 0° C

5. The desire to eat a slice of chocolate cake after consuming a very large meal best illustrates which state?
   1. satiety
   2. hunger
   3. appetite
   4. depression
   5. Bulimia

6. Which hormone is most responsible for signaling satiety as well as reducing food intake during a meal?
   1. Gastrin
   2. Adipokines
   3. Neuropeptide Y
   4. Cholecystokinin
   5. Secretin

7. About how long does it take for a meal to be completely eliminated from the stomach?
   1. 30 minutes
   2. 1.5 hours
   3. 4 hours
   4. 8 hours
   5. 12 hours

8. Among the following, which has the greatest power to suppress hunger?
   1. Apples
   2. French fries
   3. Doughnuts
   4. Potato chips
   5. Cookies

9. The brain chemical neuropeptide Y is known to specifically enhance the craving for         .
   1. fat
   2. salt
   3. protein
   4. carbohydrate
   5. Water

10. What fraction of the day's energy expenditure of the average person is represented by the basal metabolism?
    1. About 1/10
    2. About 1/3
    3. About ½
    4. About 2/3
    5. Over 9/10

11. What is the approximate daily basal metabolism of a 110-pound woman?
    1. 500 kcal
    2. 1000 kcal
    3. 1500 kcal
    4. 2000 kcal
    5. 2500 kcal

12. Which factor has the most influence on the body's metabolic rate?
    1. Age
    2. Gender
    3. Amount of fat tissue
    4. Amount of lean body tissue
    5. Usual diet

13. Which measurement may be used to calculate the amount of energy expended by the body?
    1. Oxygen consumed
    2. Total air exchanged
    3. Intestinal gas expelled
    4. Carbon dioxide consumed
    5. Carbon dioxide exchange rate

14. Which measurements are all used to compute a woman's BMR?
    1. Body fat, height, and age
    2. Body weight, height, and age
    3. Physical activity level, body weight, and height
    4. Energy intake, physical activity level, and body weight
    5. Age, weight, and estimated skeletal mass

15. Which diet promotes the greatest loss of body heat?
    1. High fat and low protein
    2. High protein and low fat
    3. High carbohydrate and low fat
    4. Balanced protein, fat, and carbohydrate
    5. High protein and high carbohydrate
16. What term describes the increase in energy expenditure that occurs in a person who fractures a leg?
    1. Febrile hyperthermia
    2. Physical hyperthermia
    3. Specific thermogenesis
    4. Adaptive thermogenesis
    5. Stress hyperthermia

17. What is the approximate value for the thermic effect of a 2500-kcalorie diet?
    1. 25 kcal
    2. 250 kcal
    3. 400 kcal
    4. 500 kcal
    5. 1250 kcal

18. What is the main explanation for the difference in basal metabolic rates between males and females of the same body weight?
    1. Males are usually taller than females
    2. Females have lower levels of thyroid hormones
    3. Males have a higher percentage of lean body mass
    4. Females have a lower percentage of adipose tissue
    5. Reproductive hormones increase the basal metabolic rates of females.

19. What term best describes a failure of the body’s cells to respond to secretion of insulin?
    1. Central obesity
    2. Insulin resistance
    3. Thyroid insufficiency
    4. Hypothalamic impedance

20. What is the approximate body mass index of a woman who is 5'5" and 125 lbs?
    1. 21
    2. 26
    3. 31
    4. 36
    5. 40