Chapter 8 – Body Weight and Body Composition: Achieving a Healthy Balance

Multiple Choice Questions

1.Obesity is defined as having a body mass index higher than _____.

A.25

B.30

C.35

D.39

Answer:B

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2.Overweight, a condition that is less serious than obesity, is defined as having a BMI between ______ and ______.

A.25; 29.9

B.18.5; 25.9

C.30; 35.9

D.30; 39.9

Answer:A

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3.John weighs 242 pounds and has a body mass index of 26; John is considered

A.normal weight.

B.overweight.

C.obese.

D.not enough information is provided.

Answer:B

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4.All of the following indicate a healthy body weight, EXCEPT

a weight within an acceptable range for one’s height. a fat distribution that is not a risk factor for illness. a weight within the common range for one’s age group. the absence of medical conditions that suggest a need for weight loss.

Answer:C

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5.The body mass index (BMI) is used mainly to determine

A.how your body weight may affect your health.

B.how height correlates with weight.

C.your overall physical condition.

D.your body fat percentage.

Answer:A

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6.Who of the following has a body fat percentage outside of the range generally considered healthy?

A.Richard, a dentist, with 26 percent body fat

B.Abbie, a female college gymnast, with 17 percent body fat

C.Clarke, a male college soccer star, with 16 percent body fat

D.Caroline, a travel agent, with 26 percent body fat

Answer:A

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7.Which of the following statements about body fat percentages is TRUE?

A.Body fat percentage for women decreases during puberty.

B.Average body fat percentage does not differ by gender.

C.Some hormones cannot be produced when body fat falls below a certain threshold.

D.Ethnicity has no influence on body fat percentage.

Answer:C

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8.All of the following are associated with low body fat levels, EXCEPT

A.depression.

B.pregnancy.

C.abnormal appetite.

D.infertility.

E.lack of menstruation.

Answer:B

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9.Which of the following statements about body fat distribution is TRUE?

Pear-shaped fat distribution is associated with lower cholesterol levels and lower disease risk. Women, after menopause, experience a shift in body fat from the abdomen to the hips and thighs. Obese men tend to accumulate fat around the hips and thighs. There is no association of apple-shaped fat distribution with diabetes.

Answer:B

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10.Abdominal fat is considered a greater threat to health than hip-and-thigh fat because abdominal fat

A.squeezes the heart.

B.reduces lung capacity.

C.more easily enters the bloodstream.

D.causes lower back ailments that lead to inactivity.

Answer:C

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11.Barbara is beginning to experience menopause; her fat distribution will most likely

A.remain unchanged.

B.become undifferentiated.

C.change from apple- to pear-shaped.

D.change from pear- to apple-shaped.

Answer:D

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12.Obese people are ________ times as likely as healthy-weight people to die before reaching their expected life span.

A.two

B.four

C.eight

D.sixteen

Answer:B

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13.Which of the following is TRUE regarding the genetics of obesity?

Adopted children tend to be similar in weight to their adoptive parents. The risk of becoming obese increases slightly if one’s parents are not obese. Twin studies support a genetic tendency toward obesity. For most people, obesity involves a single gene.

Answer:C

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14.After puberty, a boy of healthy weight typically levels off at _______ percent body fat.

A.10

B.15

C.20

D.25

Answer:B