Question 1

Work is defined as

Accepted Answer

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

Question 2

Compute the power output (watts)during one minute of treadmill exercise,given the following: Treadmill grade = 10%
Horizontal speed = 100 meters per minute
Subject's body weight = 60 kg (i.e. ,force = 588.6 Newtons)
1 joule = 1 newton-meter
1 watt = 1 joule per second
1 kcal = 426.8 kpm

Accepted Answer

A) 98.1 watts 
B) 981 watts 
C) 9810 watts 
D) Power output cannot be calculated given the information above. 
A) 98.1 watts 
B) 981 watts 
C) 9810 watts 
D) Power output cannot be calculated given the information above.

Question 3

Net efficiency ______________ as work rate increases.

Accepted Answer

A) increases 
B) does not change 
C) decreases 
D) follows a sine wave pattern 
A) increases 
B) does not change 
C) decreases 
D) follows a sine wave pattern

Question 4

During cycle ergometer exercise,net efficiency decreases as the work rate increases.The mechanism to explain this observation is

Accepted Answer

A) the relationship between energy expenditure and work rate is curvilinear rather linear. 
B) the energy requirement of exercise decreases as work rate increases. 
C) that oxygen consumption during exercise decreases over time. 
D) None of the above answers are correct 
A) the relationship between energy expenditure and work rate is curvilinear rather linear. 
B) the energy requirement of exercise decreases as work rate increases. 
C) that oxygen consumption during exercise decreases over time. 
D) None of the above answers are correct

Question 5

Work equals power divided by time.

Accepted Answer

A) True 
 B)False

Question 6

Calculate the total amount of work performed in 5 minutes of exercise on a cycle ergometer,given the following: Resistance on flywheel = 30 Newtons
Cranking speed = 50 revolutions per minute
Distance traveled per revolution = 6 meters
1 joule = 1 newton-meter

Accepted Answer

A) 9,000 joules 
B) 4500 joules 
C) 45,000 joules 
D) Total work performed cannot be calculated given the information above. 
A) 9,000 joules 
B) 4500 joules 
C) 45,000 joules 
D) Total work performed cannot be calculated given the information above.

Question 7

The term ergometry refers to the measurement of work output.

Accepted Answer

A) True 
 B)False

Question 8

The SI unit for time is the second

Accepted Answer

A) True 
 B)False

Question 9

Calculate net efficiency,given the following: Resting VO2 = 0.25 liters per minute
Exercise VO2 = 1.50 liters per minute
Work rate = 100 watts (W)or 612 kilopond meters per minute
1 watt = 1 joule per second
1 kcal = 4186 joules
1 liter VO2 = 5 kcal or 20,930 joules

Accepted Answer

A) approximately 19% 
B) approximately 20% 
C) approximately 23% 
D) approximately 28% 
A) approximately 19% 
B) approximately 20% 
C) approximately 23% 
D) approximately 28%

Question 10

The most common technique used to measure oxygen consumption in an exercise physiology laboratory 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.

Work is defined as

Compute the power output (watts)during one minute of treadmill exercise,given the following: Treadmill grade = 10% Horizontal speed = 100 meters per minute Subject's body weight = 60 kg (i.e. ,force = 588.6 Newtons) 1 joule = 1 newton-meter 1 watt = 1 joule per second 1 kcal = 426.8 kpm

Net efficiency ______________ as work rate increases.

During cycle ergometer exercise,net efficiency decreases as the work rate increases.The mechanism to explain this observation is

Work equals power divided by time.

Calculate the total amount of work performed in 5 minutes of exercise on a cycle ergometer,given the following: Resistance on flywheel = 30 Newtons Cranking speed = 50 revolutions per minute Distance traveled per revolution = 6 meters 1 joule = 1 newton-meter

The term ergometry refers to the measurement of work output.

The SI unit for time is the second

Calculate net efficiency,given the following: Resting VO₂ = 0.25 liters per minute Exercise VO₂= 1.50 liters per minute Work rate = 100 watts (W)or 612 kilopond meters per minute 1 watt = 1 joule per second 1 kcal = 4186 joules 1 liter VO₂= 5 kcal or 20,930 joules

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

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

Exam 2: B: Common Measurements in Exercise Physiology

Work is defined as

Compute the power output (watts)during one minute of treadmill exercise,given the following: Treadmill grade = 10% Horizontal speed = 100 meters per minute Subject's body weight = 60 kg (i.e. ,force = 588.6 Newtons) 1 joule = 1 newton-meter 1 watt = 1 joule per second 1 kcal = 426.8 kpm

Net efficiency ______________ as work rate increases.

During cycle ergometer exercise,net efficiency decreases as the work rate increases.The mechanism to explain this observation is

Work equals power divided by time.

Calculate the total amount of work performed in 5 minutes of exercise on a cycle ergometer,given the following: Resistance on flywheel = 30 Newtons Cranking speed = 50 revolutions per minute Distance traveled per revolution = 6 meters 1 joule = 1 newton-meter

The term ergometry refers to the measurement of work output.

The SI unit for time is the second

Calculate net efficiency,given the following: Resting VO2 = 0.25 liters per minute Exercise VO2 = 1.50 liters per minute Work rate = 100 watts (W)or 612 kilopond meters per minute 1 watt = 1 joule per second 1 kcal = 4186 joules 1 liter VO2 = 5 kcal or 20,930 joules

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

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

Calculate net efficiency,given the following: Resting VO₂ = 0.25 liters per minute Exercise VO₂= 1.50 liters per minute Work rate = 100 watts (W)or 612 kilopond meters per minute 1 watt = 1 joule per second 1 kcal = 4186 joules 1 liter VO₂= 5 kcal or 20,930 joules