During Contraction

question 41

Multiple Choice

During contraction,

• A)cross-bridges of muscle filaments are broken and reformed.
• B)ATP is used to break cross-bridges.
• C)muscle cells use glucose derived from glycogen as an energy source.
• D)glycogen depletion may lead to muscle fatigue.
• E)all of these occur.

Understand the routing of secondary circuit signal air in trailer service signal circuits and identify responsible valves.

Recognize which parts of the brake system are actuated by the secondary circuit in a tandem drive axle, air brake-equipped tractor.

Understand the components of a truck wheel assembly and their proper installation.

Identify best practices for maintaining and servicing truck wheel components.

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