AnswersLifetime Fitness full year EL2083 Distance LearningThe Cardiovascular and Respiratory Systems

Physical Activity and Cardiorespiratory Fitness Answers

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1
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As people age, they become unable to control their cardiorespiratory fitness levels.

A
T
B
F
2
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It is possible to improve cardiovascular fitness without increasing respiratory fitness.

A
T
B
F
3

How is blood pressure in the body affected by exercise?

A
systolic pressure increases, diastolic pressure decreases
B
systolic pressure decreases, diastolic pressure remains constant
C
systolic pressure increases, diastolic pressure remains constant
D
systolic pressure remains constant, diastolic pressure increases
4

Increasing cardiorespiratory fitness levels is difficult for experienced athletes because __________.

A
they are not motivated to increase their levels of cardiorespiratory fitness
B
they cannot commit the training time to increase their cardiorespiratory fitness
C
they have already achieved high levels of cardiorespiratory fitness
D
none of the above
5

Why are slow-twitch muscles more beneficial than fast-twitch muscles for cardiorespiratory fitness?

A
Slow-twitch muscles are longer and thicker than fast-twitch muscles.
B
Slow-twitch muscles need less blood to contract than fast-twitch muscles.
C
Slow-twitch muscles need more recovery time between exercise sessions than fast-twitch muscles.
D
Slow-twitch muscles are able to use oxygen more efficiently than fast-twitch muscles.
6

The maximum oxygen intake level can only be measured using the multistage fitness test. Please select the best answer from the choices provided.

A
T
B
F
7

Optimal cardiorespiratory fitness requires a BMI of __________.

A
18.5 to 24.9
B
25.0 to 29.9
C
30.0 to 39.9
D
40.0 to 49.9
8

For a typical person who leads a sedentary lifestyle, a typical maximum oxygen intake level would be __________.

A
20 ml/kg/min
B
35 ml/kg/min
C
50 ml/kg/min
D
70 ml/kg/min
9

During exercise, an individual's heart rate tends to increase steadily until __________.

A
the athletic activity is completed and the cool down begins
B
the individual begins to use advanced breathing techniques
C
a level of consistent intensity has been reached
D
none of the above
10

Your maximum oxygen intake is a measurement of the ability __________.

A
to transport oxygen to your muscles
B
of the muscles to absorb oxygen
C
of the muscles to create energy from oxygen
D
all of the above are measured by maximum oxygen intake

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