Sweating Is Initiated in Response to a Rise in Body

question 94

Multiple Choice

Sweating is initiated in response to a rise in body temperature that occurs on exposure to a hot environment. Evaporation of the sweat cools the body. What kind of example is this?

• A)negative feedback
• B)positive feedback
• C) feedforward mechanism
• D) intrinsic (local) control mechanism

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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.