Question 1

The SI units used to describe power are

Accepted Answer

A)  Newtons. 
B)  joules. 
C)  watts. 
D)  joules per second. 
A)  Newtons. 
B)  joules. 
C)  watts. 
D)  joules per second. C

Question 2

Direct calorimetry is a means of determining energy expenditure and involves the measurement of

Accepted Answer

A)  oxygen consumption. 
B)  heat production. 
C)  ATP hydrolysis. 
D)  carbon dioxide production. 
A)  oxygen consumption. 
B)  heat production. 
C)  ATP hydrolysis. 
D)  carbon dioxide production. B

Question 3

The energy cost of horizontal running can be estimated reasonably accurately because

Accepted Answer

A)  the VO2 of running is always the same. 
B)  the VO2 of horizontal running is always 1 MET. 
C)  the VO2 increases linearly with running speed. 
D)  none of the above. 
A)  the VO2 of running is always the same. 
B)  the VO2 of horizontal running is always 1 MET. 
C)  the VO2 increases linearly with running speed. 
D)  none of the above. C

Question 4

Exercise efficiency is greater in subjects who

Accepted Answer

A)  have a higher percentage of fast muscle fibers. 
B)  have a higher percentage of slow muscle fibers. 
C)  have 50% fast fibers and 50% slow fibers. 
A)  have a higher percentage of fast muscle fibers. 
B)  have a higher percentage of slow muscle fibers. 
C)  have 50% fast fibers and 50% slow fibers.

Question 5

Net efficiency is defined as

Accepted Answer

A)  work output/energy expended at rest times 100. 
B)  work performed/energy expended above rest times 100. 
C)  work output/energy expended times 100. 
D)  energy expended/work output times 100. 
A)  work output/energy expended at rest times 100. 
B)  work performed/energy expended above rest times 100. 
C)  work output/energy expended times 100. 
D)  energy expended/work output times 100.

Question 6

Net efficiency ______________ as work rate increases.

Accepted Answer

A)  increases 
B)  does not change 
C)  decreases 
A)  increases 
B)  does not change 
C)  decreases

Question 7

The most common technique used to measure oxygen consumption in exercise physiology laboratories is

Accepted Answer

A)  closed-circuit spirometry. 
B)  open-circuit spirometry. 
C)  direct calorimetry. 
D)  computer calorimetry. 
A)  closed-circuit spirometry. 
B)  open-circuit spirometry. 
C)  direct calorimetry. 
D)  computer calorimetry.

Question 8

A MET is defined as a metabolic equivalent and is equal to

Accepted Answer

A)  resting VO2. 
B)  50% of resting VO2. 
C)  200% of resting VO2. 
D)  VO2 max. 
A)  resting VO2. 
B)  50% of resting VO2. 
C)  200% of resting VO2. 
D)  VO2 max.

Question 9

Recent evidence suggests that the optimum speed of movement

Accepted Answer

A)  increases as the power output increases. 
B)  decreases as the power output increases. 
C)  remains constant as the power output increases. 
D)  increases as the power output decreases. 
A)  increases as the power output increases. 
B)  decreases as the power output increases. 
C)  remains constant as the power output increases. 
D)  increases as the power output decreases.

Question 10

A subject performing a 10-MET activity would have an oxygen consumption of approximately

Accepted Answer

A)  10 ml.kg-1.min-1. 
B)  25 ml.kg-1.min-1. 
C)  35 ml.kg-1.min-1. 
D)  45 ml.kg-1.min-1. 
A)  10 ml.kg-1.min-1. 
B)  25 ml.kg-1.min-1. 
C)  35 ml.kg-1.min-1. 
D)  45 ml.kg-1.min-1.

Question 11

Work is defined as

Accepted Answer

A)  the ability to transform energy from one state to another. 
B)  the ability to utilize oxygen. 
C)  force times distance. 
D)  distance times power output. 
A)  the ability to transform energy from one state to another. 
B)  the ability to utilize oxygen. 
C)  force times distance. 
D)  distance times power output.

Question 12

Calculate the power if 600 joules of work are completed in 60 seconds.

Accepted Answer

A)  10 watts 
B)  660 watts 
C)  36,000 watts 
D)  Power cannot be calculated with the information provided. 
A)  10 watts 
B)  660 watts 
C)  36,000 watts 
D)  Power cannot be calculated with the information provided.

Question 13

Calculating the work performed on a cycle ergometer requires that you know all of the following except

Accepted Answer

A)  subject's body weight. 
B)  resistance against flywheel. 
C)  pedaling speed. 
D)  exercise time. 
A)  subject's body weight. 
B)  resistance against flywheel. 
C)  pedaling speed. 
D)  exercise time.

Question 14

The SI unit used for both work and energy is the joule.

Accepted Answer

A) True 
 B)False

Question 15

One MET equals resting oxygen consumption, which is approximately 5.3 ml.kg-1.min-1.

Accepted Answer

A) True 
 B)False

Question 16

Power is defined as

Accepted Answer

A)  the ability to perform work. 
B)  work divided by time. 
C)  work times force. 
D)  force times distance. 
A)  the ability to perform work. 
B)  work divided by time. 
C)  work times force. 
D)  force times distance.

Question 17

A runner who exhibits poor running economy would require

Accepted Answer

A)  a lower VO2 at any given running speed compared to an economical runner. 
B)  a higher VO2 at any given running speed compared to an economical runner. 
C)  the same VO2 at any given running speed compared to an economical runner. 
A)  a lower VO2 at any given running speed compared to an economical runner. 
B)  a higher VO2 at any given running speed compared to an economical runner. 
C)  the same VO2 at any given running speed compared to an economical runner.

Question 18

The SI unit for work is the

Accepted Answer

A)  joule. 
B)  watt. 
C)  kpm. 
D)  kcal. 
A)  joule. 
B)  watt. 
C)  kpm. 
D)  kcal.

Question 19

A kilocalorie is equal to

Accepted Answer

A)  100 calories. 
B)  1,000 calories. 
C)  4,186 kilojoules. 
D)  4.186 joules. 
A)  100 calories. 
B)  1,000 calories. 
C)  4,186 kilojoules. 
D)  4.186 joules.

Question 20

Work equals power divided by time.

Accepted Answer

A) True 
 B)False

Exam 2: Common Measurements in Exercise Physiology

The SI units used to describe power are

Direct calorimetry is a means of determining energy expenditure and involves the measurement of

The energy cost of horizontal running can be estimated reasonably accurately because

Exercise efficiency is greater in subjects who

Net efficiency is defined as

Net efficiency ______________ as work rate increases.

The most common technique used to measure oxygen consumption in exercise physiology laboratories is

A MET is defined as a metabolic equivalent and is equal to

Recent evidence suggests that the optimum speed of movement

A subject performing a 10-MET activity would have an oxygen consumption of approximately

Work is defined as

Calculate the power if 600 joules of work are completed in 60 seconds.

Calculating the work performed on a cycle ergometer requires that you know all of the following except

The SI unit used for both work and energy is the joule.

One MET equals resting oxygen consumption, which is approximately 5.3 ml.kg-1.min-1.

Power is defined as

A runner who exhibits poor running economy would require

The SI unit for work is the

A kilocalorie is equal to

Work equals power divided by time.

Introduction to Exercise Physiology

Control of the Internal Environment

Bioenergetics

Exercise Metabolism

Cell Signaling and the Hormonal Responses to Exercise

Exercise and the Immune System

The Nervous System: Structure and Control of Movement

Skeletal Muscle: Structure and Function

Circulatory Responses to Exercise

Respiration During Exercise

Acid-Base Balance During Exercise

Temperature Regulation

The Physiology of Training: Effect on Vo2 Max, Performance, and Strength

Risk Factors and Inflammation: Links to Chronic Disease

Exercise Prescriptions for Health and Fitness

Exercise for Special Populations

Body Composition and Nutrition for Health

Factors Affecting Performance

Laboratory Assessment of Human Performance

Training for Performance

Training for the Female Athlete, Children, Special Populations, and the Masters Athlete

Nutrition, Body Composition, and Performance

Exercise and the Environment

Ergogenic Aids

Filters

One MET equals resting oxygen consumption, which is approximately 5.3 ml.kg^-1.min^-1.