31. Who can best treat an eating disorder?

A. psychologist

B. medical professional

C. nutritional professional

D. all of the above

32. More than ________ percent of Americans report no daily leisure-time physical activity, a pattern that contributes to a general pattern of weight gain among Americans.

A. 5

B. 10

C. 15

D. 20

33. Which of the following may be a result of anorexia nervosa?

A. growth of lanugo

B. iron toxicity in the body

C. increased blood pressure

D. scar tissue on the knuckles

34. After gastric bypass surgery, individuals may experience a deficiency of which critical vitamin?

A. vitamin C

B. vitamin D

C. vitamin E

D. vitamin B12

35. What kind of studies first demonstrated the relationship of genes to obesity?

A. studies of lab animals

B. studies of food chemistry

C. studies of separated twins

D. studies of life expectancy

36. There are currently more than ________ genetic variants associated with obesity.

A. 10

B. 20

C. 30

D. 40

37. According to one weight control theory, each individual has a genetically established body weight, known as the

A. baseline.

B. set point.

C. natural weight.

D. genetic weight.

38. Adding 500 kilocalories to daily energy intake will enable an individual to gain about how many pounds of extra body weight per week?

A. 1

B. 2

C. 3

D. 4

39. Which of the following foods would be the most energy-dense choice for someone trying to gain weight?

A. an apple

B. a cup of granola

C. a medium-size baked potato

D. an ounce of cooked chicken breast

40. A common trait of people with eating disorders is

A. perfectionism.

B. desire for control over their lives.

C. depression and low self-esteem.

D. all of the above