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HLTH 1100 chapter 10

An individual who is 22 percent above his or her ideal weight would be classified as
obese.
Which environmental factor encourages us to increase our food consumption?
Easy access to high-calorie foods in stores and restaurants
Which of the following is true with respect to genetics and obesity?
Studies reveal that identical twins are more likely than fraternal twins to be of similar weight.
When blood levels of the hormone leptin rise,
appetite levels decrease.
What percentage of dieters are likely to regain lost weight within two years?
75%
Kevin wants to lose 5 pounds of fat. He finds it hard to cut back on his eating, so he decides that he will walk an hour each day to burn more calories. How many extra calories must he expend to lose a pound of fat?
3500
The prescription drug orlistat (Xenical, marketed as Alli) has a number of unpleasant side effects but works to promote weight loss by
inhibits the digestion of fat.
As Body Mass Index increases, an adult’s overall health risk also increases.
True
Cell phones, computers, and other modern technologies have contributed to the current obesity epidemic.
True
An obese person burns fewer calories walking the same distance as a thin person.
False
What percentage of adult Americans are overweight or obese?
More than 20% but less than 30%
Obesity is a risk factor for
heart disease, cancer, stroke, and diabetes.
When trying to determine her ideal, healthy weight, a woman should be less concerned about comparing herself to her friends and more concerned about
her percentage of body fat and how her weight is distributed.
Problems with the BMI measurement include that
it is an indirect estimate of body fat.
John underwent a body composition test that involved being submerged to compare his underwater weight with land weight to determine the amount body fat. This method of assessment is known as a
hydrostatic weighing.
A good way to control portion sizes when you eat at home is to
serve meals on smaller plates.
The method of body composition measurement that sends a small current through the body to measure the resistance based on percentage of body water is
bioelectrical impedance analysis.
The U.S. population has become increasingly sedentary because
people spend more time sitting at home and at work.
The amount of energy the body uses at complete rest is known as the
basal metabolic rate.
Data from the National Health Interview Survey show that 4 in 10 adults
never engage in any exercise, sports, or physically active hobbies.
In addition to the United States, which of the following nations or regions are also experiencing an obesity epidemic?
Mexico and the United Kingdom
Individuals who go on and off starvation diets multiple times to lose weight will likely end up with
a lower basal metabolic rate.
Which of the following people would be most likely to notice the effects of an age-related decline in metabolic rate?
30-year-old computer programmer
The concept of adaptive thermogenesis attempts to explain
how thin people can consume large amounts of calories without gaining weight.
Some scientists believe that the hypothalamus does all of the following EXCEPT
disrupts adaptive thermogenesis.
Which of the following is NOT true about weight management?
Long-term behavior modification is not as effective as short-term diets.
A person’s exercise metabolic rate (EMR) will increase if he or she
increases the activity level from light to moderate.
In planning a weight management program that has the best chance of success you must
set realistic short- and long-term goals.
The body adapts to prolonged fasting or carbohydrate deprivation by converting body fat to ketones to be used as fuel for brain cells, a process called
ketogenesis
When fasting or eating a very-low-calorie diet for prolonged periods, the body will obtain fuel from its energy stores. One of the last reserves the body will use is
protein in muscle and organ tissue.
Problems associated with severe caloric restriction include all of the following EXCEPT
increased tolerance to cold.
The weight loss drugs Redux and Pondimin (also known as fen-phen) were recalled after FDA approval and widespread use because they were found to
damage heart valves.
Currently there is no prescription weight loss drug available that can be used over time without increasing the chances of
adverse effects and abuse.
Over-the-counter weight loss supplements typically contain
diuretics.
Liposuction is used to
Spot reduce or contour body shape
Some forms of cancer are associated with obesity.
True
Extremely low body fat can contribute to amenorrhea in females.
True
A mother’s decision to bottle-feed her baby, as opposed to breast-feeding, would increase the child’s chances of becoming obese.
True
Basal metabolic rate is relatively stable throughout life.
False
Two males of equal size and leanness but different ages will burn the same amount of calories at rest.
Two males of equal size and leanness but different ages will burn the same amount of calories at rest.
False

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