The Benefits of Exercise in Helping to Build Bone Mass

question 45

Multiple Choice

The benefits of exercise in helping to build bone mass in children do not occur if what condition exists?

• A)Malnutrition
• B)Insufficient calcium intake
• C)Early menstruation
• D)Eating disorders

---

Definitions:

FMVSS-121

A specific Federal Motor Vehicle Safety Standard related to air brake systems in heavy-duty trucks and buses, regulating performance and reliability.

Compressed Air Reservoir

A tank or container designed to hold compressed air at a desired pressure, used in pneumatic systems for energy storage or distribution.

Air Brakes

Pneumatically actuated brakes used on most heavy-duty trucks. These brakes use air pressure to brake the vehicle by means of diaphragms, levers, S-cams, wedges, and rotor assemblies.

Safety Pressure Relief Valve

A term used to describe the pressure relief valve used on truck air brake systems more often known as a pop-off valve. Most pop-off valves are set to trip at 150 psi and are located on the supply (wet) tank in the system.