Functions of bone include all of the following EXCEPT

A. Support for the body.

B. Protection of organs and tissues.

C. Production of red blood cells.

D. Production of force.

When a motor unit is stimulated by a single nerve impulse, it responds by contracting one time and then relaxing. This is called a

A. Twitch.

B. Summation.

C. Tetanus.

D. Summary.

During mild to moderate exercise, pulmonary ventilation increases primarily as a result of increased

A. Tidal volume.

B. Breathing frequency.

C. Vital capacity.

D. Total lung volume.

Stroke volume is defined as

A. The product of cardiac output and total peripheral resistance.

B. The difference between EDV and ESV.

C. The product of preload and HR.

D. The product of cardiac output andarteriovenous oxygen difference.

All of the following risk factors for CAD can be modified by a regular and appropriate exercise training program EXCEPT

A. Advancing age.

B. DM.

C. Hypertension.

D. HDL cholesterol.

Which of the following are NOT symptoms of depression?

A. Hearing voices.

B. Change in sleep patterns.

C. Irritability.

D. All of the above.

The treatment modality RICES includes all of the following EXCEPT

A. Covering.

B. Ice.

C. Stabilization.

D. Rest.

A specific benefit of regular exercise for patients with angina is

A. Improved ischemic threshold at which angina symptoms occur.

B. Increased myocardial oxygen demand at the samesubmaximallevels.

C. Eradication of all symptoms.

D. Elevation of B P.

What is the relative Y02 of running on a treadmill at 5.5 mph and a 12% grade?

A. 29.48mL . kg-1 . min-1

B. 45.4mL . kg-1 . min-1

C. 47.2mL . kg-1 . min-1

D. 48.9mL . kg-1 . min-1

If a 70-kg man runs on a treadmill at 8 mph and a 0% grade for 45 minutes, what is his caloric expenditure?

A. 1,067.07 calories.

B. 392.18 calories.

C. 730.48 calories.

D. Not enough information to answer the question