AnswersSHS Lifetime Fitness - 2021Developing Cardiorespiratory Fitness

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1
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Which of the following BEST describes what alveoli are?

A
They are the smallest tubes in the respiratory system.
B
They have a small amount of surface area.
C
They are found on the end of bronchioles.
D
They are comprised of millions of cells.
2
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In regard to exercise, which of the following statements about safety consideration is correct?

A
In hot weather, exercising between 10 a.m. and 4 p.m. is best.
B
Exercising at 100% of your maximum heart rate is best.
C
Exercising one hour before eating is best.
D
Remaining well-hydrated while exercising is best.
4

When it comes to cholesterol, it is better to have __________.

A
more cholesterol
B
more LDL
C
a high ratio of LDL to HDL
D
more HDL
6

What is the impact of arteriosclerosis?

A
inefficient blood flow
B
increased artery elasticity
C
arterial plaque deposition
D
reduced blood clotting
8

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
9

The human cardiovascular system is considered closed because __________.

A
blood is continuously circulated in the body.
B
blood provides nutrients to organs.
C
blood collects oxygen from the lungs
D
there are no holes for blood to enter or leave the system
12

Which of the following is the BEST reason to rest muscle groups between workouts?

A
It allows the muscles to store more energy.
B
It allows you to focus on other muscle groups.
C
It allows the muscles time to heal.
D
It allows the muscles to properly overload.
14

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
16

Which of the following BEST describes cardiovascular fitness?

A
the ability of the body to do prolonged work
B
the ability of the body to transport oxygenated blood efficiently
C
the ability of the body to quickly shed fat
D
the ability of the body to convert sugar into energy
19

Which of the following is NOT a benefit of swimming?

A
joints supported in water
B
full-body exercise
C
good exercise for cross-training
D
burn less than 400 calories per hour

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