Chapter 9 (unit 4) practice quiz

Meeting an activity goal of ________ steps a day is an excellent way to support a healthy BMI.

10,000

In general, weight-loss diets need to provide a minimum of ________ kcalories per day for women.

1200

In general, weight-loss diets need to provide a minimum of ________ kcalories per day for men.

1500

A person is considered underweight until his BMI reaches ________.

18.5

About how many U.S. adults are underweight?

2%

To prevent weight gains and support weight losses, one should add ________ minutes of moderately intense physical activity each week.

200-300

Weight maintenance may require a person to expend a minimum of ________ kcalories in physical activity per week.

2500

Improvements in physical capabilities and quality of life begin with a ________ weight loss.

5%

Successful weight-loss maintenance means achieving a minimum weight loss of ________ percent of initial body weight and maintaining the loss for at least ________.

5-10, 1 year

Those on a weight loss regimen should aim to create an energy intake deficit of ________ kcalories per day.

500

To maintain weight loss, one should aim to lose 10% of initial body weight in ________.

6 months

What proportion of the U.S. adult population is considered overweight or obese?

70%

Underweight people expend so much energy adapting to a higher food intake at first that about ________ extra kcalories may be needed to gain a pound a week

750

About how many people in the United States have clinically severe obesity?

8%

Which of the following statements accurately describes weight gain and genetics?

Adopted children tend to have body weights more like their biological parents than their adoptive parents.

Which of the following statements accurately describes fat cell development?

An obese person has more and larger fat cells than does a healthy-weight person.

Of the following, which is an example of a behavior modification technique for weight loss?

Download an app to keep a record of your eating and exercise habits.

What is the best meal-planning strategy for underweight people who desire to gain weight?

Drink more juice and milk.

Of the following, which would be considered a fad diet?

Eating only cold, green foods for one month

Which of the following is a protein that stimulates appetite and decreases energy expenditure?

Ghrelin

Which of the following is a protein produced by fat cells under the direction of the ob gene that decreases appetite and increases energy expenditure?

Leptin

What happens to leptin and ghrelin levels when someone is sleep deprived?

Leptin decreases while ghrelin increases

Your patient, Mr. Sinclair, has a BMI of 43 and wants to begin taking drugs to lose weight. He has glaucoma, but is otherwise healthy. Which of the following should not be prescribed for Mr. Sinclair?

Phentermine

Which of the following statements accurately describes the use of prescription drugs to treat obesity?

Physicians may prescribe "off-label" drugs to take advantage of their modest weight-loss effects.

In which procedure is 70 to 85 percent of the stomach removed and the rest stapled to create a vertical tube-shaped stomach with limited capacity?

Sleeve gastrectomy

Which of the following statements about physical activity is true?

The number of kcalories spent in an activity depends on body weight, intensity, and duration.

Why do fad diets typically produce weight loss, at least for a short time?

They limit energy intake to about 1200 kcal/day.

Most fad diets ________.

limit food choices, which reduces energy intake

A less-preferred term for clinically severe obesity is ________.

morbid obesity

Obesity has many causes and is a risk factor for many diseases; therefore, the best approach seems to be ________.

prevention

Researchers have spent many years studying diets and have determined the best approach to weight loss is to ________.

reduce daily energy intake and increase energy expenditure

Women readily develop lower body fat around the hips and thighs and men readily develop central body fat around the abdomen. This primarily is due to gender differences in

the activity of lipoprotein lipase.

A reputable weight-loss program will provide customers with honest predictions of success and ________.

will explain the associated risks

For overweight adults, a reasonable weight loss is ________.

½ to 2 pounds per week