51.Why does use of the BMI overestimate the prevalence of obesity in Canadians of African descent?

a.Blacks have a higher average height than whites.

b.Blacks have denser bones and higher body protein concentrations than whites.

c.Blacks tend to have different proportions of brown and white adipose tissue than whites.

d.The fat pads in blacks are situated primarily around the hips, whereas in whites the pads are primarily abdominal.

52.What is the range of body fat content for normal-weight women?

a.9–17 percent

b.23–31 percent

c.33–37 percent

d.38–44 percent

53.What is the approximate body mass index of a woman who is 165 centimeters tall and weighs 57 kg?

a.21

b.26

c.31

d.36

54.Which of the following types of athlete may be classified as overweight by BMI standards, even though he/she is not overfat?

a.cyclists

b.gymnasts

c.football players

d.marathon runners

55.Jacki, who has a sedentary lifestyle, is 165 cm tall and weighs 75 kg. She calculated her BMI to be 27.5. She recognizes that her body weight is unhealthy and vows to improve her eating habits and begin a regular program of physical fitness. Her goal is to achieve a BMI of 22. Approximately how much weight  must she lose?

a.9.5 kg

b.12.3 kg

c.15 kg

d.18.6 kg

56.What is the weight classification assigned both to young women with 30 percent body fat and young men with 20% body fat?

a.obese

b.normal

c.mildly overweight

d.slightly underweight

57.Which of the following percentages of body fat can be present in excessively obese adults?

a.55 percent

b.60 percent

c.65 percent

d.70 percent

58.What is the range of body fat content for normal-weight men?

a.5–10 percent

b.13–21 percent

c.22–30 percent

d.32–40 percent

59.Which of the following conditions may occur in an individual whose body fat falls below a certain threshold?

a.gallbladder disease

b.diabetes

c.hormone synthesis failure

d.dehydration

60.Central obesity is associated with an increased risk for which of the following conditions?

a.infertility

b.clinical depression

c.hypertension

d.abnormal hunger regulation