Physical Activity and Cardiorespiratory Fitness

Question 1

How is blood pressure in the body affected by exercise?

Revolt · Accepted Answer

systolic pressure increases, diastolic pressure remains constant

Question 2

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

Revolt · Accepted Answer

a level of consistent intensity has been reached

Question 3

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

Revolt · Accepted Answer

F

Question 4

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 5

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

Revolt · Accepted Answer

F

Question 6

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

Revolt · Accepted Answer

they have already achieved high levels of cardiorespiratory fitness

Question 7

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

Revolt · Accepted Answer

F

Question 8

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 9

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

Question 10

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

Revolt · Accepted Answer

decline

Physical Activity and Cardiorespiratory Fitness Answers

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