Chapter 8

Question 1

Basal metabolic rate:
A) is usually marginally lower than the resting metabolic rate
B) is measured directly in the human calorimeter
C) varies with age and sex
D) is related to fat-free body mass
E) All of the answer choices are correct

Answer 1

E

Question 2

________ exerts the greatest thermic effect.
A) carbohydrate
B) lipid
C) protein
D) alcohol

Answer 2

C

Question 3

Which of the following has the greatest effect on the total daily energy expenditure of a
sedentary individual?
A) metabolism during rest
B) metabolism during physical activity
C) dietary-induced thermogenesis
D) thermic effect of various hormones

Answer 3

A

Question 4

MET indicates:
A) maximum metabolic rate
B) BMR
C) energy expenditure during sleep
D) energy expenditure during rest
E) minimum energy triangle

Answer 4

D

Question 5

Dietary-induced thermogenesis reaches maximum about _______ after a meal.
A) 10 minutes
B) 1 hour
C) 3 hours
D) 6 hours
E) 24 hours

Answer 5

B

Question 5

n general, resting metabolism expressed as kcal per unit body size is higher among
adults who are:
A) older
B) female
C) relatively lean
D) sedentary

Answer 5

C

Question 6

Which of the following is a component of total daily energy expenditure?
A) resting metabolic rate
B) dietary-induced thermogenesis and other calorigenic influences
C) energy expenditure during physical activity and in recovery
D) All of the answer choices are correct

Answer 6

D

Question 7

A useful classification of physical activity to express exercise intensity based on its
effect on resting metabolism is:
A) DIT
B) RMR
C) PAR
D) MET

Answer 7

D

Question 8

Heart rate during physical activity with a large static and upper-body component is:
A) lower for a given submaximal intensity
B) higher for a given submaximal intensity
C) lower for a given submaximal oxygen uptake
D) None of the answer choices are correct

Answer 8

B

Question 9

_______________ are used to estimate body surface area in humans.
A) stature and body mass
B) mass and percentage body fat
C) stature and FFM
D) stature and lean body mass

Answer 9

A

Question 10

One MET averages approximately:
A) 1.0 L · kg-1 · min-1
B) 2.5 mL · kg-1 · min-1
C) 400 meq · min-1
D) 3.5 mL · kg-1 · min-1
E) None of the answer choices are correct

Answer 10

D

Question 11

ex differences in BMR are largely explained by sex differences in:
A) daily physical activity
B) body surface area
C) body stature and mass
D) body composition

Answer 11

D

Question 11

he minimal level of energy expenditure required to sustain bodily functions in the
waking state is called:
A) TDDE
B) MET
C) BSA
D) BMR

Answer 11

D

Question 11

he heart rate-oxygen uptake (HR-VO2) line during treadmill running tends to act in
what way regarding the actual oxygen uptake when applied to upper body or static
exercise?
A) underpredicts
B) overpredicts
C) gives approximately the same value
D) overpredicts in the trained and underpredicts in the untrained
E) does not change because the HR-VO2 line remains constant

Answer 11

B

Question 11

hich of these systems classifies the strenuousness of sustained physical activity in
terms of its effect relative to resting metabolic rate?
A) PAR
B) SDA
C) TDEE
D) RDA

Answer 11

A

Question 12

For a typical person, the RMR accounts for about what percentage of the TDEE?
A) 15 to 30%
B) 20 to 30%
C) 40 to 50%
D) 60 to 70%
E) None of the answer choices are correct

Answer 12

D

Question 13

hree main factors that determine total daily energy expenditure are:
A) body composition, BMR, and hormone level
B) thermogenic effect of food, body composition, and resting metabolic rate
C) resting metabolic rate, thermogenic effect of food, and energy expended during
physical activity and in recovery
D) resting and exercise hormone levels, environmental conditions, and body
composition

Answer 13

C

Question 14

MR averages about __________ lower in women than in men.
A) 40%
B) 5 to 10%
C) 20 to 30%
D) 50%
E) None of the answer choices are correct

Answer 14

B

Question 15

Which of the following statements about dietary induced thermogenesis is TRUE?
A) It reaches a maximum within one hour after a meal.
B) A meal of pure protein elicits the greatest thermic effect.
C) Obese individuals often have a blunted thermic response to food.
D) It varies among individuals.
E) All of the answer choices are true.

Answer 15

E

Question 16

To estimate basal metabolic rate (BMR) per hour as a function of age and gender,
multiply the BMR as determined in the figure for either males or females by:
A) the subject’s total fat-free mass and height
B) the subject’s lean body mass and weight
C) the subject’s body surface area
D) the subject’s total body fat and height
(image)

Answer 16

C

Question 17

n the image below, the main reason why the HR-VO2 line differs between Players A
and B is:
A) the players differed in their relative cardiovascular fitness status
B) player A was taller and weighed more
C) player B was taller and weighed less
D) player A was older and has less muscle mass
E) player B was younger but had more total body fat (image)

Answer 17

A

Question 18

Which of the following is a key conclusion based on the oxygen uptake and body weight
data points during submaximal treadmill walking (see image below)?
A) Heavy people, on average, consume about the same amount of oxygen as other
heavy people.
B) As body weight increases, oxygen consumption increases disproportionately.
C) Oxygen uptake increases in direct proportion to increases in body weight.
D) There is a greater increase in oxygen uptake than the increase in body weight. (image)

Answer 18

C

Question 19

Which of the following statements is a key conclusion based on the energy expenditure
relationship while walking and running at different velocities on the level (see image
below)?
A) The relative change in energy expenditure of running is less than that of walking.
B) At a certain walking speed it becomes less economical to continue walking and an
individual will start to jog and then run.
C) Older people weigh more than younger people and walk slower, causing a reduced
total energy expenditure.
D) Little difference exists between walking and running for energy expenditure at the
faster speeds. (image)

Answer 19

B

Question 19

One of the greatest “pedestrian” sportsmen of all time was professional racewalker:
A) Edward Payson Weston
B) Archibald Vivian Hill
C) Edward Hitchcock, Jr.
D) George Wells Fitz
E) Austin Flint, Jr

Answer 19

A

Question 20

The most economical cyclists exhibit a predominance of which type of muscle fiber?
A) fast twitch (type II) fibers
B) slow twitch (type II) fibers
C) slow twitch (type I) fibers
D) slow-contracting, low-tension lower leg muscle fibers

Answer 20

C

Question 21

rue or false? Cyclists who exhibit the most economical cycling pattern possess a
greater percentage of slow twitch (type I) muscle fibers in their legs.
A) True
B) False

Answer 21

TRUE

Question 21

True or false? An increase in fat-free body mass will generally have no effect on the
resting metabolic rate.
A) True
B) False

Answer 21

FALSE

Question 22

true or false? There is no one optimal running style.
A) True
B) False

Answer 22

TRUE

Question 22

rue or false? The average college-age American woman expends about 2600 kcal a
day.
A) True
B) False

Answer 22

FALSE

Question 23

True or false? For most people, the actual BMR is within ±2% of the BMR predicted
from age and sex.
A) True
B) False

Answer 23

FALSE