Which of the following is true when two people of different weights (80 and 70 kg) are exercising at 5 mphl5% grade on a treadmill?

A. Vo2 will be different if expressed inmL/kg/min.

B. Vo2 will be the same if expressed in L/min.

C. Cardiac output will be the same in L/min.

D. None of the above.

Fast-twitch muscle fibers have which of the following characteristics compared with slow- twitch muscle fibers?

A. Easily fatigued and well-developed aerobic system.

B. High force production and well-developed blood supply.

C. HighPCr stores and high ATPase stores.

D. None of the above.

Which of the following statements about static exercise is accurate?

A. It results in reduced pressure on the heart.

B. It is inappropriate for any client with heart disease.

C. It involves rhythmic, continuous activity.

D. It results in increased HR and SBP.

Which of the following describes a normal postexercise blood pressure (BP) response?

A. Elevated systolic and diastolic values compared topreparticipation values.

B. Progressive decline in SBP.

C. Progressive increase in SBP.

D. Exaggerated decrease in DBP.

Which of the following statements regarding exercise for the elderly is FALSE?

A. A decrease in maximal HR is responsible for reductions in the maximal oxygen consumption as we age.

B. A loss of fat-free mass is responsible for the decrease in muscular strength as we age.

C. The ACSM recommends a cardiorespiratory training intensity of 50% to 70% of HRR for older adults.

D. Resistance exercise training is not recommended for older adults.