Physical Activity and Cardiorespiratory Fitness Answers

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1
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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
2
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It is possible to improve cardiovascular fitness without increasing respiratory fitness.

A
T
B
F
3

Female gains in body fat starting around puberty can result in a cycle of diminished physical fitness.

A
T
B
F
4

The cardiovascular system helps move hormones throughout the body during exercise.

A
T
B
F
5

Females are unable to maintain a high level of cardiorespiratory fitness.

A
T
B
F
6

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
7

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
8

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
9

During exercise, the oxygen concentration in the blood increases to twice that of resting levels. Please select the best answer from the choices provided.

A
T
B
F
10

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.

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