Physical Activity and Cardiorespiratory Fitness Answers

How is blood pressure in the body affected by exercise?A.systolic pressure increases, diastolic pressure decreasesB.systolic pressure decreases, diastolic pressure remains constantC.systolic pressure increases, diastolic pressure remains constantD.systolic pressure remains constant, diastolic pressure increases

During exercise, an individual's heart rate tends to increase steadily until __________.A.the athletic activity is completed and the cool down beginsB.the individual begins to use advanced breathing techniquesC.a level of consistent intensity has been reachedD.none of the above Please select the best answer from the choices provided.

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

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? A. 26.8 ml/kg/min B. 28.3 ml/kg/min C. 30.2 ml/kg/min D. 31.8 ml/kg/min Please select the best answer from the choices provided.

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

Increasing cardiorespiratory fitness levels is difficult for experienced athletes because __________.A.they are not motivated to increase their levels of cardiorespiratory fitnessB.they cannot commit the training time to increase their cardiorespiratory fitnessC.they have already achieved high levels of cardiorespiratory fitnessD.none of the above Please select the best answer from the choices provided.

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

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. Please select the best answer from the choices provided.

Which of the following physiological effects occurs as a result of increased exercise?A.the body's blood pressure decreases throughout the bodyB.the blood flow is directed towards the large organsC.the levels of oxygen in the body decreasesD.the volume of blood pumped by the heart increases Please select the best answer from the choices provided.

As a person ages, his or her levels of cardiorespiratory fitness tend to __________.A.improveB.declineC.stay the sameD.none of the above Please select the best answer from the choices provided.