Chapter 8 quiz

Which of the following should be included in the nutrition assessment of a patient with obesity?

- Weight history including causes for weight gain, attempts at weight loss, and family history - Current dietary intake pattern including use of dietary supplements

Eligibility for medications and surgery in the treatment of obesity is based on which criterion?

BMI

Exercise is the single most effective strategy for losing weight.

False

In order to support long term weight maintenance after weight loss, experts recommend:

- Participation in at least 200-300 minutes of physical activity per week - reduced calorie diet - food logs, weight checks

What percentage of body fat is considered essential for men and women?

2-3% for men and 5-12% for women

The etiology of obesity is complex. Studies examining the influence of BMI in sets of twins reveal that genetics influence obesity by up to:

61-80%

There is much debate about the effect of breastfeeding on obesity in childhood. The most current research suggests that:

Breastfeeding may have a protective effect on obesity through childhood

Most cases of obesity are caused by monogenic, or single gene, abnormalities resulting in weight gain over time.

False

Which of the following approaches is the most evidence-based approach to weight loss?

Consuming a low-calorie diet by reducing intake by 500-1000 calories per day

Based on current U.S. trends, which population is most at risk for developing obesity?

Middle aged African American women living in the southern United States

Which best describes the mechanism by which gastric banding surgery facilitates weight loss?

Physically restricts food intake

Which of the following is an environmental contributor to obesity in the United States?

The availability of food and number of restaurant options to choose from

Which statement best describes a comprehensive lifestyle program for the treatment of obesity?

c. A six-month program involving regular visits with a registered dietitian and medical doctor and adherence to a low-calorie diet plan and increased exercise plan

An increased incidence of which of the following diseases is associated with obesity?

hypertension

Adipocytes are connective tissue cells that can synthesize and store fat. Which of the following ways can adipocytes grow?

hypertrophy+ hyperplasia

Multiple systems within the body fight to keep it at weight equilibrium; when energy intake is increased in the short term, the body will compensate by increasing energy burn.

True

After weight loss by diet and exercise, physiologic mechanisms that may predispose a patient to weight regain include which of the below?

increased ghrelin, decreased leptin

An obese patient has been diagnosed with prediabetes, which is presumed to be due to his body weight. On average, how much weight loss could lead to improvements in glycemic control?

loss of 3-5% of current weight

Individuals with obesity have a higher percent of body fat compared to a normal weight individual.

true

Successful weight management requires a long term commitment to healthy lifestyle behaviors including sustainable eating patterns and daily physical activity.

true

Bariatric surgery is the least effective treatment for obesity compared to FDA approved medication use and diet and exercise.

False

Which equation has been shown to be the most accurate in predicting energy needs in obesity?

MSJ