Question 1

Calculate the power output when an individual performs 600 joules of work 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. A

Question 2

The treadmill angle (expressed in degrees)can be determined by

Accepted Answer

A) Visual inspection of the angle of the treadmill. 
B) trigonometric computations. 
C) using a measurement device called an inclinometer. 
D) Both B and C answers are correct 
A) Visual inspection of the angle of the treadmill. 
B) trigonometric computations. 
C) using a measurement device called an inclinometer. 
D) Both B and C answers are correct D

Question 3

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 (i.e. ,distance traveled). 
D) exercise time. 
A) subject's body weight. 
B) resistance against flywheel. 
C) pedaling speed (i.e. ,distance traveled). 
D) exercise time. A

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

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

Question 6

The measurement of oxygen consumption during exercise can provide an estimate of metabolic rate.The rationale behind the use of oxygen consumption to estimate metabolic rate is:

Accepted Answer

A) that measurement of oxygen consumption provides a direct estimate of how much carbohydrate is used a fuel source. 
B) that a direct relationship exists between oxygen consumed and the amount of heat produced in the body. 
C) that measurement of oxygen consumption provides a direct estimate of how much fat is used a fuel source. 
D) None of the above answers are correct 
A) that measurement of oxygen consumption provides a direct estimate of how much carbohydrate is used a fuel source. 
B) that a direct relationship exists between oxygen consumed and the amount of heat produced in the body. 
C) that measurement of oxygen consumption provides a direct estimate of how much fat is used a fuel source. 
D) None of the above answers are correct

Question 7

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 8

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 9

Exercise efficiency is greater in subjects who

Accepted Answer

A) possess a higher percentage of fast muscle fibers. 
B) possess a higher percentage of slow muscle fibers. 
C) possess 50% fast fibers and 50% slow fibers. 
D) None of the above answers are correct 
A) possess a higher percentage of fast muscle fibers. 
B) possess a higher percentage of slow muscle fibers. 
C) possess 50% fast fibers and 50% slow fibers. 
D) None of the above answers are correct

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

In order to standardize terms for the measurement of energy,power,work,etc. ,scientists have developed a common system of terminology called

Accepted Answer

A) the English system 
B) the metric system 
C) system international units (SI) 
D) None of above answers are correct 
A) the English system 
B) the metric system 
C) system international units (SI) 
D) None of above answers are correct

Question 12

The incline of a treadmill is expressed in units called percent grade.Percent grade is defined as

Accepted Answer

A) the angle of the treadmill expressed in degrees. 
B) the amount of horizontal travel of the treadmill belt per minute. 
C) the hypotenuse divided by the vertical rise. 
D) the vertical rise per 100 units of belt travel. 
A) the angle of the treadmill expressed in degrees. 
B) the amount of horizontal travel of the treadmill belt per minute. 
C) the hypotenuse divided by the vertical rise. 
D) the vertical rise per 100 units of belt travel.

Question 13

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.

Question 14

Net efficiency is defined as

Accepted Answer

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

Question 15

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 16

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. 
D) None of the above answers are correct. 
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. 
D) None of the above answers are correct.

Question 17

The energy cost of horizontal running can be estimated 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 answers are correct. 
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 answers are correct.

Question 18

Power is defined as

Accepted Answer

A) the ability to perform work. 
B) work divided by the amount of time required to perform the work. 
C) the product of work times force (Work x force). 
D) the product of force times distance (force x distance). 
A) the ability to perform work. 
B) work divided by the amount of time required to perform the work. 
C) the product of work times force (Work x force). 
D) the product of force times distance (force x distance).

Question 19

One 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 20

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.

Exam 2: B: Common Measurements in Exercise Physiology

Calculate the power output when an individual performs 600 joules of work in 60 seconds.

The treadmill angle (expressed in degrees)can be determined by

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

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

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

The measurement of oxygen consumption during exercise can provide an estimate of metabolic rate.The rationale behind the use of oxygen consumption to estimate metabolic rate is:

The SI unit for work is the

A kilocalorie is equal to

Exercise efficiency is greater in subjects who

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

In order to standardize terms for the measurement of energy,power,work,etc. ,scientists have developed a common system of terminology called

The incline of a treadmill is expressed in units called percent grade.Percent grade is defined as

The SI units used to describe power are

Net efficiency is defined as

Recent evidence suggests that the optimum speed of movement

A runner who exhibits poor running economy would require

The energy cost of horizontal running can be estimated accurately because

Power is defined as

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

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

Introduction to Exercise Physiology

A: Common Measurements in Exercise Physiology

Control of the Internal Environment

Bioenergetics

Exercise Metabolism

Cell Signaling and Hormonal Response 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

Temperature Regulation

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

Preventing Chronic Disease: Physical Activity and Healthy Eating

Work Tests to Evaluate Cardiorespiratory Fitness

Exercise Prescriptions for Health and Fitness

Exercise Prescriptions for Health and Fitness

Nutrition and Body Composition 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 $\bullet$ kg^-1 $\bullet$ min^-1.