Nutrition Chapter 7 Review Questions

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  • 1. Wardlaw’s Contemporary Nutrition, Seventh Edition Copyright © The McGraw-Hill Companies, InC) Permission required for reproduction or display. Gordon M. Wardlaw Anne M. Smith Chapter 7
  • 2. Question 1
    • Basal metabolism is the energy expended
    • A. when sleeping.
    • B. when doing moderate activity.
    • C. when resting, but awake, and in a fasting state.
    • D. to make food available to the body.
  • 3. Question 2
    • Which of the following is true about basal metabolism?
    • A. It represents about 30 percent of total energy expenditure.
    • B. It is energy expenditure to maintain heartbeat, respiration, other basic functions, and daily activities.
    • C. It represents about 60 percent to 70 percent of total kcalories used by a sedentary person during a day.
    • D. It includes the energy used to digest food.
  • 4. Question 3
    • Which of the following is not associated with an increase in basal metabolism?
    • A. An increase in body temperature
    • B. A low kcalorie intake
    • C. An increase in lean body mass
    • D. Caffeine use
  • 5. Question 4
    • Carol eats 800 kcalories a day to lose weight. She is 40 years old. Carol has been walking briskly 60 minutes daily for the past 2 months. In her younger days she lifted weights, but she has lost considerable lean body mass over the years because of inactivity. Recently, Carol was diagnosed with hypothyroidism, which lowers metabolism. Which of the following factors increases Carol’s energy output and promotes weight loss?
    • A. Her 800-kcalorie diet
    • B. Her age
    • C. Her loss of lean body mass
    • D. Her walking routine
  • 6. Question 5
    • All of the following contribute to total energy expenditure except
    • A. basal metabolic rate.
    • B. thermic effect of food.
    • C. energy content of food.
    • D. adaptive thermogenesis.
  • 7. Question 6
    • Physical activity
    • A. contributes about 70 percent of total energy expenditure.
    • B. is only counted as a significant contributor if it is a formal, regular exercise program.
    • C. includes daily activities as seemingly insignificant as fidgeting.
    • D. contributes very little to overall energy expenditure.
  • 8. Question 7
    • The thermic effect of food
    • A. represents the Kcalories needed to digest, absorb, and process ingested food.
    • B. represents approximately 20 percent of total energy expenditure.
    • C. is included in the measurement of basal metabolism.
    • D. refers to energy expended to produce heat in response to a cold environment.
  • 9. Question 8
    • All of the following are true about contributors to energy expenditure except
    • A. the thermic effect of food represents about 5 percent to 10 percent of total expenditure.
    • B. physical activity accounts for 25 percent to 40 percent of total expenditure.
    • C. basal metabolism accounts for 60 percent to 70 percent of total expenditure.
    • D. fidgeting accounts for 40 percent of total energy expenditure.
  • 10. Question 9
    • The kcalorie cost of the thermic effect of food is ___ of energy consumed.
    • A. 1% to 2%
    • B. 5% to 10%
    • C. 15% to 20%
    • D. 20% to 25%
  • 11. Question 10
    • Bill expends 2,500 kcalories per day. What amount of kcalories will be from basal metabolism?
    • A. 250 to 375
    • B. 500 to 1,050
    • C. 1,200 to 1,500
    • D. 1,500 to 1,750
  • 12. Question 11
    • Bill consumes 2,500 kcalories per day. What would be his energy expenditure, in kcalories, from the thermic effect of food?
    • A. 125 to 250
    • B. 250 to 375
    • C. 300 to 550
    • D. 425 to 600
  • 13. Question 12
    • Thermogensis refers to all of the following except
    • A. the ability to regulate body temperature within narrow limits.
    • B. shivering when cold and fidgeting are examples of thermogenesis.
    • C. brown adipose tissue contributes to thermogenesis especially in hibernating animals.
    • D. the energy you require during sleep at night.
  • 14. Question 13
    • The method for determining energy expenditure that involves the measurement of heat given off by the body during a select period of time in an insulated chamber is
    • A. direct calorimetry.
    • B. indirect calorimetry.
    • C. thermocalorimetry.
    • D. bomb calorimetry.
  • 15. Question 14
    • The method for determining energy expenditure in which the amount of oxygen a person uses is measured is called
    • A. direct calorimetry.
    • B. indirect calorimetry.
    • C. thermocalorimetry.
    • D. bomb calorimetry.
  • 16. Question 15
    • Joe is getting his energy expenditure measured by direct calorimetry. The 1 liter of water surrounding the chamber has an initial reading of 15 degrees Celsius. The final reading is 2,015 degrees Celsius. How many kcalories did he expend?
    • A. 1,000
    • B. 1,500
    • C. 2,000
    • D. 2,500
  • 17. Question 16
    • The MyPyramid calorie guideline for a 19- to 30-year-old active woman is
    • A. 1600.
    • B. 2000.
    • C. 2400.
    • D. 2800.
  • 18. Question 17
    • Xenical is a weight loss drug that works in the digestive system
    • A. to substitute xylose for glucose.
    • B. to block digestion of about one-third of the fat in the food we eat.
    • C. to produce a full feeling that decreases hunger.
    • D. as an artificial fat.
  • 19. Question 18
    • When attempting to use body fat content to define obesity, ____ percent for men warrants an obesity diagnosis.
    • A. 10
    • B. 20
    • C. 25
    • D. 30
  • 20. Question 19
    • When attempting to use body fat content to define obesity, ____ percent for women warrants an obesity diagnosis.
    • A. 25
    • B. 20
    • C. 35
    • D. 30
  • 21. Question 20
    • Body weight in kilograms divided by height squared in meters yields
    • A. the obesity index.
    • B. the body mass index.
    • C. relative weight.
    • D. percent body fat.
  • 22. Answer Key – Chapter 7
    • C
    • C
    • B
    • D
    • C
    • C
    • A
    • D
    • B
    • D
    • A
    • D
    • A
    • B
    • C
    • C
    • B
    • C
    • C
    • B