Deck 10: Reaching and Maintaining a Healthy Weight

Question 1

How many adults in the United States are classified as obese?

A) More than 50 million
B) More than 60 million
C) More than 70 million
D) More than 80 million

Answer 1

More than 70 million

Question 2

Which hormone plays a significant role in appetite stimulation?

A) Leptin
B) Insulin
C) Ghrelin
D) Thyroxine

Answer 2

Ghrelin

Question 3

A woman whose body weight is more than 10 percent below healthy recommended levels is

A) anorexic.
B) bulemic.
C) low BMI.
D) underweight.

Answer 3

underweight.

Question 4

The most accurate and complete way to determine ideal body weight is to

A) measure body composition.
B) record how much you eat per day in a journal.
C) compare bone mass to muscle mass.
D) compare height to weight.

Question 5

A person with the "thrifty gene" has

A) a decreased chance of obesity.
B) a slower metabolism.
C) a faster metabolism.
D) an easier time maintaining weight.

Question 6

Jim, who is 34 years old, has body fat percentage of 24%. This is categorizes him as

A) athletic.
B) normal weight.
C) overweight.
D) obese.

Question 7

The type of fat that is necessary for maintaining basic life and reproductive functions is

A) essential fat.
B) intrinsic fat.
C) storage fat.
D) subcutaneous fat.

Question 8

Bob calculated his body mass index (BMI) to be 27. This classifies him as

A) underweight.
B) ideal weight.
C) overweight.
D) obese.

Question 9

Steve is thin and seems to be able to eat as much as he wants while not gaining weight. Which concept is a possible explanation for his ability to stay thin?

A) Thrifty gene
B) Satiety theory
C) Set point
D) Adaptive thermogenesis

Question 10

What role does leptin play in weight management?

A) It stimulates the appetite.
B) It lowers BMR.
C) It signals satiety.
D) It lowers blood sugar.

Question 11

Carla had her body fat measured using a method that sent a low level of electrical current through her body, which is known as

A) BIA (bioelectrical impedance analysis).
B) DXA (dual-energy X-ray absorptiometry).
C) MRI (magnetic resonance imaging).
D) EKG (electrocardiogram).

Question 12

The part of the brain that regulates appetite is the

A) hypothalamus.
B) pituitary gland.
C) frontal lobe.
D) medulla.

Question 13

Research has found that there are health risks associated with how fat is distributed in the body. In which area of the body is fat the biggest risk to health?

A) Hips
B) Abdomen
C) Thighs
D) Buttocks

Question 14

Which of the following best describes research findings on the genetics of obesity?

A) Statistics show a 50% chance of being obese if both parents are obese.
B) Statistics show that only those with the "thrifty gene" will be able to resist obesity.
C) Twin studies show no evidence that there is a major genetic influence in weight.
D) Twin studies support genetic influence, but the environment plays a substantial role.

Question 15

The system of measuring body composition by using a caliper to measure an underlying layer of fat is known as

A) bioelectrical impedance analysis.
B) dual-energy X-ray absorptiometry.
C) the skinfold method.
D) hydrostatic weighing.

Question 16

How does leptin act in the body?

A) It signals the brain that the stomach is full.
B) It regulates the production of insulin.
C) It signals the brain that the body needs food.
D) It increases the rate of metabolism.

Question 17

Stuart is 19 years old, is a champion swimmer, and has a body fat percentage of 6 percent. This classifies him as

A) underweight.
B) overweight.
C) normal weight.
D) obese.

Question 18

A female's basal metabolic rate (BMR) is highest during

A) menopause.
B) puberty.
C) childhood.
D) old age.

Question 19

A person whose body weight is 100% or more above ideal weight is

A) average.
B) overweight.
C) obese.
D) morbidly obese.

Question 20

There are two categories of stored body fat: essential and

A) adipose.
B) storage.
C) nonessential.
D) intrinsic.

Question 21

One pound of additional body fat is created by consuming how many extra calories?

A) 1,000
B) 2,000
C) 2,500
D) 3,500

Question 22

Judith is taking an over-the-counter weight loss pill that works by decreasing the amount of fat her body can absorb. She is most likely taking

A) Ephedra.
B) Meridia.
C) Alli.
D) Hoodia gordonii.

Question 23

The surgical procedure that removes fat cells from specific parts of the body is known as

A) malabsorption surgery.
B) liposuction.
C) gastroplasty.
D) restrictive surgery.

Question 24

Diets with a daily caloric value of 400 to 700 calories are termed

A) severe-low-calorie diets.
B) extreme-low-calorie diets.
C) very-low-calorie diets.
D) low-calorie diets.

Question 25

The feeling of fullness at the end of a meal is called

A) satisfaction.
B) satiety.
C) fulfillment.
D) discomfort.

Question 26

An increase in waist circumference increases the risk for diabetes, cardiovascular disease, and

A) kidney failure.
B) cancer.
C) stroke.
D) irritable bowel syndrome.

Question 27

A condition characterized by an excessive number of fat cells is

A) hypothyroidism.
B) hyperplasia.
C) hypoglycemia.
D) hypertrophy.

Question 28

Automobiles, Internet use, and sedentary jobs are which type of factors that contribute to weight gain?

A) Genetic
B) Environmental
C) Situational
D) Triggering

Question 29

For some obese adults, gastric bypass surgery has been shown to be effective in treating

A) disordered eating.
B) heart disease.
C) type 2 diabetes.
D) colon cancer.

Question 30

Linda always eats when she watches television. Watching television is an example of a

A) weight factor.
B) cognitive cue.
C) eating trigger.
D) behavioral response.

Question 31

Metabolic rates begin to slow at which life stage?

A) After age 20
B) After age 30
C) After age 40
D) After age 50

Question 32

When fasting or eating a very-low-calorie diet for prolonged periods, the body will find fuel from its energy stores. One of the last reserves the body will use is from

A) subcutaneous fat.
B) fat stored in the liver.
C) protein in muscles and organs.
D) glycogen stores in the brain.

Question 33

When the body is in starvation mode or has been subject to a very-low-calorie diet, it will metabolize body fat to produce an alternate fuel for brain cells; this process is known as

A) ketogenesis.
B) basal metabolism.
C) hyperplasia.
D) hyperglycemia.

Question 34

When fat cells swell and become larger as weight is gained, what process is occurring with these cells?

A) Hyperdensity
B) Hyperplasia
C) Hyperedema
D) Hypertrophy

Question 35

Which of the following surgical procedures decreases the absorption of food into the body?

A) Lastric banding
B) Gastric bypass
C) Liposuction
D) Lap banding

Question 36

Troy's weight has always been around 180 pounds. When he gains a few pounds, he usually drops the extra weight relatively quickly but rarely drops below 180. Troy's ability to maintain a "standard" weight exemplifies which theory?

A) Genetic determination
B) Basal metabolism
C) Set point
D) Environmental affect

Question 37

Abdul is looking for a reputable weight-loss program. Which of the following would be the best choice?

A) A program that offers prepackaged meals
B) A program that promises quick results
C) A program based on a very-low-calorie diet and a strict eating schedule
D) A program that allows for individual choices in real-world situations

Question 38

Most weight loss supplements contain caffeine and/or

A) laxatives.
B) diuretics.
C) analgesics.
D) minerals.

Question 39

Which of the following improves the success rate of maintaining weight loss?

A) Yo-yo dieting
B) Calorie-restricted maintenance diet
C) Fat-burning supplements
D) Regular exercise

Question 40

Rachel has gone on and off starvation diets for years. This will hinder long-term weight loss because this type of eating pattern

A) hinders nutrient metabolism.
B) fosters inappropriate exercise habits.
C) increases the amount of essential fat.
D) slows down the basal metabolic rate.

Question 41

The measure of energy expended while a person is engaged in sedentary activities, such as sitting on a sofa or digesting food is the

A) calorie intake.
B) basal metabolic rate.
C) exercise metabolic rate.
D) resting metabolic rate.

Question 42

Children whose parents are obese also tend to be overweight.

Question 43

The mathematical formula to determine body mass index is BMI = weight (kg) / height squared (m²).

Question 44

Which theory holds that some people have a genetic disposition toward fat storage and retaining weight?

A) Hormone adjustment theory
B) Set point theory
C) Thrifty gene theory
D) Adaptive thermogenesis theory

Question 45

Which environmental factor encourages us to increase our food consumption?

A) Easy access to high-calorie foods in stores and restaurants
B) Increasing number of regulations that apply to food labeling
C) Social encouragement to work out and be active
D) Increasing use of texting for cell phone communication

Question 46

The amount of energy the body uses at complete rest is known as the

A) resting metabolic rate.
B) basal metabolic rate.
C) metabolic balance.
D) caloric restriction.

Question 47

A waist circumference greater than 35 inches in men and 40 inches in women may indicate increased health risks.

Question 48

Problems with the BMI measurement include that it

A) is an indirect estimate of body fat.
B) requires the use of special laboratory equipment.
C) takes too long to calculate.
D) cannot be used for children.

Question 49

A person's exercise metabolic rate will increase if he or she

A) decreases the time spent exercising.
B) performs light daily activities instead of structured exercise routines.
C) increases the activity level from light to moderate.
D) decreases the activity level from moderate to light.

Question 50

The concept of adaptive thermogenesis attempts to explain

A) how genetics influences childhood obesity.
B) how thin people can consume large amounts of calories without gaining weight.
C) how obese people conserve calories, which makes it harder to lose weight.
D) how metabolic rate slows down as we age.

Question 51

Which type of weight loss surgery involves a procedure that restricts stomach size to limit food intake?

A) Adipose tissue removal
B) Liposuction
C) Gastric banding
D) Gastric bypass

Question 52

The terms overweight and obese are synonymous and may be used interchangeably.

Question 53

Obesity is a risk factor for

A) heart disease, cancer, stroke, and diabetes.
B) certain forms of cancer.
C) type 1 and type 2 diabetes.
D) cardiovascular disease and cancer.

Question 54

The resting metabolic rate (RMR) is higher than the basal metabolic rate (BMR).

Question 55

Basal metabolic rate (BMR) is the rate of energy expenditure during the recovery period after exertion.

Question 56

Essential fat is necessary for maintenance of life.

Question 57

A measurement based on the relationship between a person's height and weight that is highly correlated to the amount of body fat is the

A) body composition index.
B) obesity index.
C) body fat index.
D) body mass index.

Question 58

Abdominal fat is more threatening to health than fat deposited in other parts of the body.

Question 59

A person's basal metabolic rate (BMR) and resting metabolic rate (RMR) remain relatively stable throughout adult life.

Question 60

A small percentage of childhood obesity can be attributed to genetic factors.

Question 61

Ghrelin is the hormone that signals the brain when you are full.

Question 62

An obese person burns fewer calories than a thin person walking the same distance.

Question 63

Muscle tissue weighs the same as fat tissue.

Question 64

Hypoplasia (excessive fat cells) only occurs in children after they have been weaned from breast milk or formula.

Question 65

Most individuals who are overweight are lazy and weak-willed and could lose weight if they made an effort.

Question 66

Herbal weight loss aids are generally safer than prescription drugs.

Question 67

Psychological, social, and economic factors can create obstacles to successful weight control.

Question 68

Large restaurant portions and "all you can eat" buffets have had little influence on Americans' eating habits.

Question 69

Since most people have difficulty controlling their eating patterns, they should rely on prepackaged meals or very-low-calorie diets to get a start on weight loss.

Question 70

Teasing, social rejection, and bullying of overweight children are examples of behaviors caused by obesity stigma.

Question 71

Increasing your muscle mass contributes to weight gain.

Question 72

The ratio of lean body mass to fat body mass is body composition.

Question 73

A cycle in which people restrict calories and lose weight, regain some or all of the weight, and then go on a diet again is known as yo-yo dieting.

Question 74

Today's youth tend to eat larger portions and exercise less than any previous generation.

Question 75

Exercise that involves using the large muscle groups will increase metabolic rate.

Question 76

According to the adaptive thermogenesis theory, thin people send signals to the brain that speeds up their metabolism when they consume larger amounts of food, which accounts for their not gaining weight.

Question 77

Obesity is a problem in Western cultures but not in Eastern nations.

Question 78

The thrifty gene theory holds that an internal thermostat works to maintain a person's weight around a narrowly set range.

Question 79

Obesity is increasing dramatically among U.S. children.

Question 80

Most over-the-counter and prescription drugs for weight loss have no side effects.