What is usually the major factor that explains variability in the energy needs of two healthy men of similar age and size?
physical acitivity
The MyPyramid calorie guideline for a 19- to 30-year-old active woman is
2400
Bill expends 2,500 kcalories per day. What amount of kcalories will be from basal metabolism?
1,500 1,750
The kcalorie cost of the thermic effect of food is __ of energy consumed
5% to 10%
All of the following are true about contributors to energy expenditure except
fidgeting accounts for 40 percent of total energy expenditure
The thermic effect of food
represents the kcalories needed to digest, absorb, and process ingested food
The method for determining energy expenditure in which the amount of oxygen a person uses is measured is called
indirect calorimetry
Which of the following is true about obesity in North America?
65% of adults are overweight, 45% are obese of these
Thermogenesis refers to all of the following except
the energy you require during sleep at night
Bill consumes 2,500 kcalories per day. What would be his energy expenditure, in kcalories, from the thermic effect of food?
125 to 250
true or false: health problems related to obesity begin when a person's BMI exceeds 30 kg/m2
true
true or false: the major cause of obesity in North America is low thyroid gland activity
false
Orlistat is a medication approved by the FDA for weight loss that reduces fat
absorption by decreasing bile secretion
Which of the following is not a major goal for weight control programs?a. 5 pound weight loss per weekb. loss of stored fatc. sparing lean body massd. reaching a healthy weight
c. sparing lean body mass
Mary Sue wishes to lose 5 pounds before her vacation approximately in 5 weeks. Her average consumption is 2,100 kcalories. How many kcalories should she consume daily to lose this weight, assuming her activity pattern remains unchanged?
1,100 to 1,200
A daily deficit of 500 kcalories should result in a weight loss of about how many pounds per week?
1
What would be the approximate weight gain, in pounds, of a person who consumes an excess of 500 kcals daily of one month?
4
A weight loss program should have all of thefollowing characteristics except
the plan should have a weight loss goal of 3-5 pounds per week
As one finds his or her weight loss slowing during a weight control program, the best practice is to
increase physical activity
Which of the following is an important aspect of behavior modification used for weight control?
Recording eating behavior to identify situations that contribute to overeating
Altering the environment to minimize the stimuli for eating is called
stimulus control
An example of cognitive restructuring for weight control is
replacing eating reactions to stress with helpful relaxing alternatives
true or false: daily food choices rich in dietary fiber contribute to weight control
true
true or false: daily food choices rich in dietary fiber contribute to weight control
true
A reliable approach for weight loss is to
reduce daily calorie intake and increase energy expenditure
true or false: eating a low-fat diet for weight control is impractical
false
A significant health risk from obesity is
type 2 diabetes
What percentage of a day's total energy need is used for digesting, absorbing, transporting, and storing nutrients?
5% to 10%
true or false: rapid weight loss likely contributes to the loss of considerable muscle tissue
true
true or false: you can lose 1 pound of stored fat each week by expending 200 kcals per day beyond your normal energy output
true
For a woman who is 1.63 meters tall and weighs 72 kilograms, the body index would be
27
How would you interpret the body mass index for a woman who is 1.63 meters tall and weighs 72 kilograms?
She slightly exceeds the value for which health risks begin
A major problem with a very low-fat diet is
essential fatty acid deficiency
Which of the following is not a way to estimate body fat?
Skinfolds
Xenical is a weight loss drug that works in the digestive system
to block digestion of about one-third of the fat in the food we eat
When attempting to use body fat content to define obesity, body fat above ___ for men warrants an obesity diagnosis.
24%
When attempting to use body fat content to define obesity, body fat above ___ for women warrants an obesity diagnosis.
35%
Body weight in kilograms divided by height squared in meters yield
the body mass index
Android obesity is associated with a higher incidence of all the following excepta. heart diseaseb.diabetes mellitusc. hypertensiond. cancer
d. cancer
Which of the following is not true about android obesity?a. It is upper body obesityb. high testosterone levels encourage itc. a low waist-to-hip ratio is indicative of itd. it is related to heart disease, hypertension, and diabetes mellitus
c. a low waist-to-hip is indicative of it
Basal metabolism represents 60 to 70 percent of total kcalories used by a sedentary person during a day
...
Which of the following is not associated with an increase in basal metabolism?a. An increase in body tempb. A low calorie intakec. An increase in lean body massd. Caffeine use
B. A low calorie intake
Basal metabolism is the energy expended when
resting, but awake, and in a fasting state
All of the following contribute to total energy expenditure excepta. basal metabolic rateb. thermic effect of foodc. energy content of foodd. adaptive thermogenesis
c. energy of content of food
Physical activity
includes daily activities as seemingly insignificant as fidgeting
Changing one's frame of mind related to weight control and nutrition is called
stimulus control
Martha is maintaining her current weight by eating 2500 kcals per day. To lose 1 pound of fat per week, she would haveto decrease her intake to how many kcals perday?
1500 to 1600
When individuals lose weight quickly, most of the weight lost is from
fat, water, and muscle tissue
The body's set point has been suggested to be
a weight to which the body closely regulates
Which of the following is true about fat?
It is a concentrated source of kcalories
Which of the following is not a characteristic of a fad diet?
It uses scientific evidence, presenting pros and cons
The best way to treat an underweight person is to advise him or her to
eat kcal-dense foods higher in vegetable fat like nuts and seeds
Currently, the most common and effective surgical procedure for morbid obesity is
gastric bypass
true or false: the energy required to keep the resting body alive represents basal metabolism
true
A woman who consumes 1800 nutrient-dense kcals per day and expands 2300 kcals per day with the help of physical moderate activity
is likely to gain weight
Two self-help groups that would be helpful with weight control efforts include
weight watchers and nutri-system