Nutrition Chapter 9 Quiz

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1. What is the classification of a person who is 6 feet 4 inches tall and 202 lbs?

Healthy weight

2. All of the following are features of fat cell metabolism in men and women except

the rate of fat breakdown is higher in women than in men.

3. Which of the following is a characteristic of fat cell development?

More and larger fat cells are found in obese people compared with healthy-weight persons

4. Which of the following is a feature of the lipoprotein lipase enzyme?

Its activities in men and women are sex-related and explain the differences in major fat storage regions of the body

5. All of the following describe the behavior of fat cells except

the number decreases when fat is lost from the body.

6. Which of the following is known to promote fat storage in adipocytes?

Lipoprotein lipase

7. Tom was overweight when he was 13. During puberty he continued to gain weight steadily until at age 23, when he decided to lose weight. Tom successfully lost 50 pounds. Which of the following most likely happened to Tom’s fat cells?

They shrank in size but did not decrease in number

8. In the quest for achieving desirable body weight, adults have control over all of the following except

adipocyte number.

9. Obesity resulting from an increase in the size of fat cells is termed

hypertrophic obesity.

10. Obesity resulting from an increase in the number of fat cells is termed

hypertrophic obesity.

11. The most likely explanation for why women readily store fat around the hips whereas men readily store fat around the abdomen is gender differences in

the activity of lipoprotein lipase.

12. Which of the following defines the body’s set point?

Point above which the body tends to lose weight and below which it tends to gain weight

13. Adverse effects on organs such as the liver from the presence of excess body fat is known as


14. On which organ or tissue does leptin primarily act?


15. What is Prader-Willi syndrome?

a genetic disorder resulting in obesity

16. Which of the following is known to cause a reduction in fat cell number in mice?

Injection of leptin

17. Which of the following is a feature of leptin?

It is a satiety signal

18. Which of the following is a feature of ghrelin?

Its blood concentration is very high in people with anorexia nervosa

19. What are the observed effects of sleep deprivation on leptin and ghrelin?

Leptin decreases while ghrelin increases

20. All of the following are hormones that promote satiety except


21. What serves as the body’s chief storage site for lipids?

White adipose tissue

22. Compared with non-obese people, obese people have a lower

physical activity level

23. At any given time, what percentage of all U.S. women are attempting to lose weight?


24. What is the primary reason that laxatives are generally not effective agents for losing weight?

They act on the large intestine rather than the small intestine

25. What is the principal reason that the FDA has banned the sale of products containing ephedrine?

The products were implicated in several cases of heart attacks and seizures

26. Clinically severe obesity is also known as

morbid obesity.

27. Bariatrics is a field of medicine that specializes in the treatment of


28. What is the primary action of orlistat, a weight loss drug?

It inhibits pancreatic lipase

29. The drug sibutramine reduces appetite by affecting

serotonin utilization in the brain

30. All of the following are characteristics of the results of weight loss surgery except

medical supervision in the postsurgery period is required only for the first 6-9 months.

31. All of the following are sensible guidelines for diet plans except

eat rapidly to avoid prolonged contact with food.

32. What is a safe rate of weight loss on a long-term basis for most overweight people?

0.5-2 lbs/week

33. The feeling of satiety from weight-loss diets is best achieved by diets rich in

complex carbohydrates.

34. Upon beginning a meal, the satiety signal in the body is sent after a lag time of about

20 or 40 minutes.

35. What is the best approach to weight loss?

Reduce daily energy intake and increase energy expenditure

36. Which of the following is a feature of the body’s response to engaging in physical activity?

After an intense workout, most people immediately feel the urge to eat a large carbohydrate meal to replace glycogen stores or After an intense and vigorous workout, metabolism remains elevated for several hours

37. Approximately how many kcalories per week should be expended in physical activity in order to maintain a weight loss?


38. Approximately what percentage of U.S. adults are classified as underweight?


39. The classification of underweight is defined when the BMI first drops below


40. Of the following, which is not among the recommended strategies for weight gain in an underweight person?

Forced awakening during the night for supplemental meals and snacks

41. All of the following are characteristics of insulin in the body except

its concentration in the blood can be accurately predicted from the carbohydrate content of the meal.

42. Adverse side effects of typical low-carbohydrate diets include all of the following except

high blood pressure

43. All of the following are features of high-protein diets except

they provide for long-term weight maintenance.

44. What is the primary reason for the weight loss that accompanies high-protein diets?

Reduced energy intake

45. Which of the following is characteristic of dieting and ketosis?

Body fat losses on a ketogenic diet are not higher than on other diets of equivalent kcalories

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