Physical Activity and Cardiorespiratory Fitness Quiz – Flashcards

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

The maximum oxygen uptake is known as the __________. A. VO2 max B. OX max C. OX3 max D. VO max

As a person ages, his or her levels of cardiorespiratory fitness tend to __________. A. improve B. decline C. stay the same D. none of the above

As exercise levels increase, which of the following physiological changes occurs in the respiratory system? A. The respiratory muscles shrink. B. The lungs expand in size. C. The trachea widens. D. The airways narrow.

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

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

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

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.

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

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