41.Which of the following statements illustrates the relationship between physical activity and energy balance?

a.There is a strong genetic component to reduced physical activity of overweight people.

b.Differences in the time obese and lean people spend lying, sitting, standing, and moving account for about 350 kcalories per day.

c.Although watching television correlates with weight gain, playing video games does not, presumably due to the heightened excitement engendered by action games.

d.Extraordinarily inactive people who lower their food intakes below that of their lean counterparts activate brown adipose tissue uncoupling proteins that stimulate hyperthermic weight loss.

42.The term that describes the energy expenditure associated with everyday spontaneous activities is known as which of the following?

a.physical inactivity

b.sedentary thermogenesis

c.nonexercise activity thermogenesis

d.inactive caloric expenditure

43.To help prevent body fat gain, the DRI suggests daily, moderately intense, physical activities totalling how much time?

a.20 minutes

b.60 minutes

c.1½ hours

d.3 hours

44.At any given time, approximately what percentage of all Canadian adults are attempting to lose weight?

a.14 percent

b.25 percent

c.37 percent

d.44 percent

45.Aggressive treatment should be introduced in obese people if they have which of the following risk factors?

a.hypertension only

b.cigarette smoking only

c.high LDL and low HDL

d.impaired glucose tolerance only

46.The three indicators used by healthcare professionals to evaluate risks to health from obesity include disease risk profile, BMI, and which of the following?

a.BMR

b.waist-hip ratio

c.physical inactivity levels

d.waist circumference

47.What percentage of people in Canada who use non-prescription weight-loss products have a normal weight?

a.5 percent

b.10 percent

c.20 percent

d.35 percent

48.A popular eating plan that promises quick weight loss is known as which of the following?

a.a fad diet

b.a discretionary diet

c.a spot reduction program

d.an aggressive bariatric program

49.What is the principal reason that Health Canada has banned the sale of products containing ephedrine?

a.The costs are prohibitive.

b.The products were found to be ineffective for weight loss.

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

d.The products were found to contain contaminants that were believed to be responsible for inducing liver failure.

50.When consumed in high doses, which of the following compounds is associated with modest weight loss in people?

a.chitosan

b.pyruvate

c.yohimbine

d.conjugated linoleic acid