Deck 17: Achieving and Maintaining a Healthful Body Weight

Question 1

Joe would like to lose two pounds a week.If his present energy intake is 4,200 kcal a day and his energy expenditure does not change,how many kilocalories should he consume each day to achieve his goal?

A)2,000 kcal
B)2,500 kcal
C)3,200 kcal
D)3,700 kcal

Answer 1

C

Question 2

A person with a body weight that exceeds 100% of the normal standard for a given height is considered:

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

Answer 2

C

Question 3

Which of the following nutrients provide a source of energy for the body?

A)carbohydrates
B)vitamins
C)minerals
D)water

Answer 3

A

Question 4

Which of the following correctly describes the energy balance equation?

A)energy consumed minus energy expended
B)energy expended minus energy consumed
C)energy expended plus energy consumed
D)energy consumed equals energy expended

Question 5

Body mass index is:

A)a percentage of body weight.
B)a measure of body density.
C)the ratio of a person's body weight to his or her height squared.
D)the ratio of a person's height to the square of his or her body weight.

Question 6

Which method of assessing body composition is considered to be the gold standard?

A)body mass index (BMI)
B)underwater weighing
C)skinfold test
D)waist circumference measurement

Question 7

Jerome is 5' 9" tall and weighs 210 pounds.Jerome's BMI indicates that he is:

A)underweight.
B)at a healthy weight.
C)overweight.
D)obese.

Question 8

Which of the following assessment techniques can be used to evaluate an individual's fat distribution pattern?

A)body mass index (BMI)
B)underwater weighing
C)bioelectrical impedance analysis (BIA)
D)waist circumference measurement

Question 9

At its lowest level,about ________ percent of our total daily energy expenditure is attributable to basal metabolism.

A)20
B)35
C)60
D)80

Question 10

The primary determinant of basal metabolic rate is an individual's:

A)gender.
B)fat tissue mass.
C)lean tissue mass.
D)age.

Question 11

Which of the following individuals would most likely have the highest basal metabolic rate?

A)a 20-year-old conditioned male athlete
B)a 50-year-old normal weight woman
C)a 45-year-old obese male
D)a 20-year-old sedentary female college student

Question 12

In women,a waist-to-hip ratio greater than ________ is associated with an increased disease risk.

A)2)0
B)0)8
C)0)2
D)80

Question 13

A limitation in using the body mass index is that:

A)it is difficult to determine.
B)it does not take body composition into account.
C)it is not a good predictor of health risks.
D)it is not accurate when used on women.

Question 14

An excess of approximately how many Calories will lead to one pound of body weight?

A)1,000
B)2,500
C)3,500
D)4,000

Question 15

Jill is 5' 10" tall and weighs 167 pounds.What is her BMI (body mass index)?

A)20
B)24
C)27
D)32

Question 16

Apple-shaped fat patterning increases a person's risk for:

A)type 1 diabetes.
B)heart disease.
C)osteoporosis.
D)lactose intolerance.

Question 17

A BMI value above ________ is associated with increased risks of chronic health diseases.

A)18.5
B)20
C)25
D)30

Question 18

The label on a ready-to-eat cereal box indicates that 1 cup contains 32 grams of carbohydrate,4 grams of protein,and 2 grams of fat.How many kcal are there in two cups of this cereal?

A)162 kcal
B)187 kcal
C)256 kcal
D)324 kcal

Question 19

At its highest level,about ________ percent of our daily energy expenditure is attributable to the thermic effect of food.

A)5
B)10
C)35
D)60

Question 20

Paula's waist measurement is 38 inches and her hip measurement is 36 inches.Based on her waist-to-hip ratio,how would you classify Paula's health risk?

A)high because her waist-to-hip ratio is over 0.80
B)low because her waist-to-hip ratio is over 0.80
C)high because her waist-to-hip ratio is less than 0.80
D)low because her waist-to-hip ratio is less than 0.80

Question 21

Which condition is conducive to weight loss?

A)low leptin sensitivity
B)high ghrelin sensitivity
C)low peptide YY sensitivity
D)increased uncoupling-protein activity

Question 22

The physiological state reached in which there is no longer a desire to eat is referred to as:

A)appetite.
B)hunger.
C)satiety.
D)repletion.

Question 23

Molly is an 18-year-old college student who is 5' 7" tall and weighs 140 pounds.How many kilocalories does she expend each day for basal metabolism?

A)1,375 kcal
B)1,527 kcal
C)3,024 kcal
D)3,360 kcal

Question 24

Jamie eats 240 gm of carbohydrate,220 gm from fat,and 132 gm from protein each day.What is Jamie's daily Caloric intake?

A)592 kcal
B)3,028 kcal
C)3,468 kcal
D)4,584 kcal

Question 25

Which of the following nutrients is thought to be the most readily stored as adipose tissue?

A)protein
B)fat
C)carbohydrate
D)vitamins

Question 26

The thrifty gene theory suggests that:

A)our bodies are designed to maintain weight within a narrow range.
B)some people possess a gene that allows them to expend less energy than other people.
C)adult body weight is determined by the weight of our parents.
D)our adult weight is determined by our weight at birth.

Question 27

George's dinner contains 750 kilocalories.At most,how many kilocalories will George expend in order to process this meal?

A)7)5 kcal
B)50 kcal
C)375 kcal
D)750 kcal

Question 28

A diet consisting of less than 10% of total energy as fat is classified as:

A)a very low Calorie diet.
B)a very low fat diet.
C)a low fat diet.
D)a high carbohydrate diet.

Question 29

At what age is there typically a decrease in basal metabolic rate?

A)15
B)25
C)30
D)45

Question 30

Researchers have proposed that as much as ________ of our body fat is influenced by genetic factors.

A)10%
B)25%
C)90%
D)100%

Question 31

Leptin,which functions as a hormone,is produced by:

A)liver cells.
B)pancreatic cells.
C)muscle cells.
D)adipose cells.

Question 32

What are the three components of total energy expenditure?

A)basal metabolic rate,physical activity,and adaptive thermogenesis
B)basal metabolic rate,physical activity,and the thermic effect of food
C)basal metabolic rate,physical activity,and sleep activity
D)basal metabolic rate,the thermic effect of food,and adaptive thermogenesis

Question 33

The set-point theory suggests that:

A)the body is designed to maintain its weight within a narrow range.
B)some people possess a gene that allows them to expend less energy than other people.
C)adult body weight is determined by the weight of our parents.
D)our adult weight is determined by our weight at birth.

Question 34

Patrick weighs 250 pounds and is trying to lose weight.He decides to start an exercise program and starts walking (2 mph)for 30 minutes,five days a week.This activity burns 0.044 kcal/kg body weight/minute.How many additional kcal will Patrick burn each week with this exercise regime?

A)290 kcal
B)560 kcal
C)750 kcal
D)980 kcal

Question 35

Which of the following decreases appetite?

A)beta-endorphins
B)ghrelin
C)peptide YY
D)uncoupling proteins

Question 36

Which of the following is TRUE about using daily dietary records?

A)Most individuals estimate their daily intake accurately.
B)Most individuals underestimate their daily intake.
C)They are accurate during periods of weight loss.
D)They are accurate only if done by a dietician.

Question 37

The amount of energy expended by the body in digesting,absorbing,transporting,metabolizing,and storing nutrients is called:

A)the basal metabolic rate.
B)the nutrient expenditure quotient.
C)the thermic effect of food.
D)adaptive thermogenesis.

Question 38

Which component of energy expenditure is the most variable from one person to another?

A)basal metabolism
B)thermic effect of food
C)energy cost of physical activity
D)adaptive thermogenesis

Question 39

Special cells in the ________ are responsible for the drive to eat.

A)stomach
B)hypothalamus
C)small intestine
D)mouth

Question 40

Which of the following is an appetite-stimulating hormone produced by the stomach?

A)leptin
B)ghrelin
C)peptide YY
D)uncoupling proteins

Question 41

Which of the following methods can be used to measure energy expenditure for up to three weeks?

A)direct calorimetry
B)indirect calorimetry
C)doubly labeled water
D)dual-energy x-ray absorptiometry (DXA)

Question 42

Which method estimates energy expenditure by measuring only the body's production of carbon dioxide?

A)dual-energy X-ray absorptiometry (DXA)
B)doubly labeled water
C)direct calorimetry
D)indirect calorimetry

Question 43

Which of the following is MOST recommended for successful,healthful weight loss?

A)Consume 45% of Calories from carbohydrates.
B)Exercise 120 minutes at high intensity every day.
C)Consume less than 1000 kcal per day.
D)Exercise at least 30 minutes per day,five times per week.

Question 44

Which method of determining the body's energy expenditure measures the amount of heat the body releases?

A)doubly labeled water
B)bioelectrical impedance analysis (BIA)
C)direct calorimetry
D)indirect calorimetry

Question 45

A person with a body mass index (BMI)between 30 and 39.9 is considered:

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

Question 46

Sharon has high triglycerides,low HDL levels,and high blood pressure.With which condition is this cluster of risk factors associated?

A)hypoglycemia
B)cataracts
C)osteoporosis
D)metabolic syndrome

Question 47

An individual's ________ refers to the amount of fat tissue mass as compared with lean tissue mass.

A)body mass index (BMI)
B)body composition
C)basal metabolic rate (BMR)
D)metabolic syndrome

Question 48

Which of the following methods measures energy expenditure under both resting and physically active conditions and is the most commonly used?

A)direct calorimetry
B)indirect calorimetry
C)doubly labeled water
D)dual-energy x-ray absorptiometry (DXA)

Question 49

The energy we expend just to maintain our resting functions,such as respiration and circulation,is known as the:

A)basal metabolic rate (BMR).
B)thermic effect of food.
C)energy cost of physical activity.
D)oxidation-reduction reaction.

Question 50

Which of the following correctly describes anabolic substances?

A)They have been proven to enhance muscle gain and strength.
B)It is currently illegal to sell them in the United States.
C)They were a popular weight loss therapy of the 1980s.
D)They are banned by the National Collegiate Athletic Association (NCAA).

Question 51

What is the MOST critical limitation of direct and indirect calorimetry methods?

A)They are less accurate than other methods.
B)They give data only under physically active conditions.
C)They must be performed in a laboratory or special chamber.
D)The necessary supplies are difficult to acquire.

Question 52

What is a multifactorial disease?

A)a disease that exhibits many different forms,depending upon the individuals
B)a disease that has many different causes
C)a disease that affects many different organ systems
D)a disease that requires many different treatments or therapies

Question 53

Which of the following methods estimates energy expenditure by measuring carbon dioxide produced and oxygen consumed by the body?

A)dual-energy X-ray absorptiometry (DXA)
B)bioelectrical impedance analysis (BIA)
C)direct calorimetry
D)indirect calorimetry

Question 54

Which agency regulates prescription and over-the-counter medications in the United States?

A)USDA (United States Department of Agriculture)
B)CDC (Centers for Disease Control)
C)AMA (American Medical Association)
D)FDA (Food and Drug Administration)

Question 55

What type of weight loss will an individual experience by restricting Calories but not increasing his or her level of physical activity?

A)The individual will lose mostly adipose tissue.
B)The individual will lose mostly lean body tissue.
C)The individual will lose both adipose and lean body tissue.
D)The individual will not lose any body weight.

Question 56

According to the National Weight Control Registry,a majority of people who were able to maintain their weight loss reported changes in:

A)diet only.
B)diet and exercise.
C)exercise only.
D)portion sizes.

Question 57

Stomach stapling is also called:

A)gastroplasty.
B)gastrosectioning.
C)gastric banding.
D)gastric bypass.

Question 58

Being underweight increases a person's risk of developing:

A)infection and illness.
B)high blood pressure.
C)cancer.
D)heart disease.

Question 59

Which of the following weight-loss medications was banned in 2000 because it caused the deaths of several people due to brain hemorrhages?

A)orlistat
B)ephedrine
C)sibutramine
D)phenylpropanolamine

Question 60

What is the National Weight Control Registry?

A)a list of medical doctors specially trained at treating individuals with obesity
B)a government agency that monitors fad diets for quackery
C)recommendations from hundreds of registered dietitians suggesting ways to achieve a healthy body weight
D)an ongoing project detailing the habits of people who have lost at least 30 pounds and maintained their weight for at least one year

Question 61

Women generally have a higher basal metabolic rate than men.

Question 62

Dual-energy X-ray absorptiometry (DXA)is used to assess:

A)energy expenditure.
B)genetic predisposition for obesity.
C)body composition.
D)body mass index (BMI).

Question 63

The Bod Pod uses the principle of water displacement to measure body composition.

Question 64

Which of the following is a low-energy-dense food?

A)skim milk
B)french fries
C)Oreo cookies
D)2% milk

Question 65

The thrifty gene theory has shown that there is a single obesity gene.

Question 66

A skinfold test is considered the gold standard for estimating body composition.

Question 67

Eating a diet composed of low-energy-dense foods results in:

A)a decrease in basal metabolic rate.
B)a decrease in satiation.
C)an increase in fat stored as adipose tissue.
D)greater weight loss than by simply reducing portion size.

Question 68

Which of the following statements is evidence for the set-point theory?

A)At rest and during active times,energy expenditure is constant.
B)The fat mass and obesity-associated (FTO)gene is common.
C)Native American tribes have been exposed to cycles of feast and famine for centuries.
D)Many people maintain a certain weight over long periods despite changes in energy intake.

Question 69

An effective,healthful weight-loss plan sets total fat intake to no more than ________ of total energy.

A)10%
B)15%
C)25%
D)32%

Question 70

The set-point theory suggests that when a person is on a restrictive diet,the body responds by initiating physiological changes that:

A)slow down the basal metabolic rate.
B)increase the basal metabolic rate.
C)increase the thermic effect of food.
D)increase fidgeting and other spontaneous physical activity.

Question 71

Pear-shaped fat distribution patterning increases a person's risk for type 2 diabetes.

Question 72

Which type of adipose tissue has a greater number of mitochondria in its cells?

A)white adipose tissue
B)brown adipose tissue
C)red adipose tissue
D)yellow adipose tissue

Question 73

Elevated levels of thyroid hormone decrease the basal metabolic rate.

Question 74

Which of the following individuals would be MOST resistant to weight gain and obesity?

A)a person with a thrifty gene(s)
B)a person who is insensitive to the effects of leptin
C)a person with more uncoupling proteins
D)a person with fewer,less active uncoupling proteins

Question 75

The thrifty gene theory suggests that,during times of plenty,a person with a thrifty metabolism:

A)burns more Calories.
B)is more resistant to weight loss.
C)has more lean muscle mass.
D)draws on fat stored in adipose tissue.

Question 76

Individuals with a body mass index (BMI)of less than 18.5 have a decreased risk of health problems and death.

Question 77

Which prescription weight-loss medication inhibits the absorption of dietary fat?

A)orlistat
B)caffeine
C)phenylpropanolamine
D)sibutramine

Question 78

Which of the following is a prescription weight-loss drug that works by suppressing appetite?

A)orlistat
B)caffeine
C)phenylpropanolamine
D)sibutramine

Question 79

A woman's basal metabolic rate increases during pregnancy and lactation.

Question 80

Body mass index (BMI)is the most accurate method of determining body composition.