Physical Activity and Cardiorespiratory Fitness

Question 1

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

Revolt · Accepted Answer

Slow-twitch muscles are able to use oxygen more efficiently than fast-twitch muscles.

Question 2

According to this multistage fitness test reference chart, what would the maximum oxygen intake be for a person who failed to complete the seventh shuttle run in the fifth level?

Revolt · Accepted Answer

31.8 ml/kg/min

Question 3

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

Revolt · Accepted Answer

a level of consistent intensity has been reached

Question 4

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

Revolt · Accepted Answer

T

Question 5

As a person ages, his or her levels of cardiorespiratory fitness tend to __________.

Revolt · Accepted Answer

decline

Question 6

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

Revolt · Accepted Answer

F

Question 7

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

Revolt · Accepted Answer

all of the above are measured by maximum oxygen intake

Question 8

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

Revolt · Accepted Answer

T

Question 9

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

Revolt · Accepted Answer

F

Question 10

Which of the following physiological effects occurs as a result of increased exercise?

Revolt · Accepted Answer

the volume of blood pumped by the heart increases

Physical Activity and Cardiorespiratory Fitness Answers

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