Exercise Physiology: Theory and Application to Fitness and Performance 11th Edition by Scott Powers
1.
Award: 10.00 points
2.
Award: 10.00 points
Work is defined as
the ability to transform energy from one state to another.
the ability to utilize oxygen.
the product of force times distance.
the product of distance times power output.
References
Multiple Choice Difficulty: Easy
Power is defined as
the ability to perform work.
work divided by the amount of time required to perform the work.
the product of work times force (Work × force).
the product of force times distance (force × distance).
References
Multiple Choice Difficulty: Easy
3.
Award: 10.00 points
4.
Award: 10.00 points
The SI unit for work is the
joule.
watt.
kpm.
kcal.
References
Multiple Choice Difficulty: Easy
Direct calorimetry is a means of determining energy expenditure and involves the measurement of
oxygen consumption.
heat production.
ATP hydrolysis.
carbon dioxide production.
References
Multiple Choice Difficulty: Easy
5.
Award: 10.00 points
6.
Award: 10.00 points
The energy cost of horizontal running can be estimated accurately because
the VO 2 of running is always the same.
the VO 2 of horizontal running is always 1 MET.
the VO 2 increases linearly with running speed.
none of these answers is correct.
References
Multiple Choice Difficulty: Easy
The most common technique used to measure oxygen consumption in an exercise physiology
laboratory is
closed-circuit spirometry.
open-circuit spirometry.
direct calorimetry.
computer calorimetry.
References
Multiple Choice Difficulty: Easy
7.
Award: 10.00 points
8.
Award: 10.00 points
One MET is defined as a metabolic equivalent and is equal to
resting VO 2 .
50% of resting VO 2 .
200% of resting VO 2 .
VO 2 max.
References
Multiple Choice Difficulty: Easy
Net efficiency is defined as
work output/energy expended at rest multiplied by 100.
work output/energy expended above rest multiplied by 100.
work output/energy expended multiplied by 100.
energy expended/work output multiplied by 100.
References
Multiple Choice Difficulty: Easy
9.
Award: 10.00 points
10.
Award: 10.00 points
Exercise efficiency is greater in subjects who
possess a higher percentage of fast muscle fibers.
possess a higher percentage of slow muscle fibers.
possess 50% fast fibers and 50% slow fibers.
None of these answers is correct.
References
Multiple Choice Difficulty: Easy
To achieve the highest efficiency during exercise, the optimum speed of movement
increases as the power output increases.
decreases as the power output increases.
remains constant as the power output increases.
increases as the power output decreases.
References
Multiple Choice Difficulty: Easy
11.
Award: 10.00 points
12.
Award: 10.00 points
The SI units used to describe power are
Newtons.
joules.
watts.
joules per second.
References
Multiple Choice Difficulty: Easy
Net efficiency ______________ as work rate increases.
increases
does not change
decreases
follows a sine wave pattern
References
Multiple Choice Difficulty: Easy
13.
Award: 10.00 points
14.
Award: 10.00 points
A kilocalorie is equal to
100 calories.
1,000 calories.
4,186 kilojoules.
4.186 joules.
References
Multiple Choice Difficulty: Easy
In order to standardize terms for the measurement of energy, power, work, etc., scientists have
developed a common system of terminology called
the English system.
the metric system.
system international units (SI).
None of these answers is correct.
References
Multiple Choice Difficulty: Easy
15.
Award: 10.00 points
16.
Award: 10.00 points
The incline of a treadmill is expressed in units called percent grade. Percent grade is defined as
the angle of the treadmill expressed in degrees.
the amount of horizontal travel of the treadmill belt per minute.
Award: 10.00 points
2.
Award: 10.00 points
Work is defined as
the ability to transform energy from one state to another.
the ability to utilize oxygen.
the product of force times distance.
the product of distance times power output.
References
Multiple Choice Difficulty: Easy
Power is defined as
the ability to perform work.
work divided by the amount of time required to perform the work.
the product of work times force (Work × force).
the product of force times distance (force × distance).
References
Multiple Choice Difficulty: Easy
3.
Award: 10.00 points
4.
Award: 10.00 points
The SI unit for work is the
joule.
watt.
kpm.
kcal.
References
Multiple Choice Difficulty: Easy
Direct calorimetry is a means of determining energy expenditure and involves the measurement of
oxygen consumption.
heat production.
ATP hydrolysis.
carbon dioxide production.
References
Multiple Choice Difficulty: Easy
5.
Award: 10.00 points
6.
Award: 10.00 points
The energy cost of horizontal running can be estimated accurately because
the VO 2 of running is always the same.
the VO 2 of horizontal running is always 1 MET.
the VO 2 increases linearly with running speed.
none of these answers is correct.
References
Multiple Choice Difficulty: Easy
The most common technique used to measure oxygen consumption in an exercise physiology
laboratory is
closed-circuit spirometry.
open-circuit spirometry.
direct calorimetry.
computer calorimetry.
References
Multiple Choice Difficulty: Easy
7.
Award: 10.00 points
8.
Award: 10.00 points
One MET is defined as a metabolic equivalent and is equal to
resting VO 2 .
50% of resting VO 2 .
200% of resting VO 2 .
VO 2 max.
References
Multiple Choice Difficulty: Easy
Net efficiency is defined as
work output/energy expended at rest multiplied by 100.
work output/energy expended above rest multiplied by 100.
work output/energy expended multiplied by 100.
energy expended/work output multiplied by 100.
References
Multiple Choice Difficulty: Easy
9.
Award: 10.00 points
10.
Award: 10.00 points
Exercise efficiency is greater in subjects who
possess a higher percentage of fast muscle fibers.
possess a higher percentage of slow muscle fibers.
possess 50% fast fibers and 50% slow fibers.
None of these answers is correct.
References
Multiple Choice Difficulty: Easy
To achieve the highest efficiency during exercise, the optimum speed of movement
increases as the power output increases.
decreases as the power output increases.
remains constant as the power output increases.
increases as the power output decreases.
References
Multiple Choice Difficulty: Easy
11.
Award: 10.00 points
12.
Award: 10.00 points
The SI units used to describe power are
Newtons.
joules.
watts.
joules per second.
References
Multiple Choice Difficulty: Easy
Net efficiency ______________ as work rate increases.
increases
does not change
decreases
follows a sine wave pattern
References
Multiple Choice Difficulty: Easy
13.
Award: 10.00 points
14.
Award: 10.00 points
A kilocalorie is equal to
100 calories.
1,000 calories.
4,186 kilojoules.
4.186 joules.
References
Multiple Choice Difficulty: Easy
In order to standardize terms for the measurement of energy, power, work, etc., scientists have
developed a common system of terminology called
the English system.
the metric system.
system international units (SI).
None of these answers is correct.
References
Multiple Choice Difficulty: Easy
15.
Award: 10.00 points
16.
Award: 10.00 points
The incline of a treadmill is expressed in units called percent grade. Percent grade is defined as
the angle of the treadmill expressed in degrees.
the amount of horizontal travel of the treadmill belt per minute.