Exam 8:The Muscular System-Part C

A contributing factor to fatigue in exercising muscles is:

The muscle on the lateral surface of the shoulder that abducts the arm is the:

During exercise,the main purpose of increased heart rate is to:

The function of the pectoralis major is to:

The muscle on the posterior lower leg that plantar flexes the foot is the:

The function of the orbicularis oculi is to:

The organ system that transmits impulses to muscles to cause contraction is the:

With respect to skeletal muscles,proprioceptors are important for:

During exercise,the blood supply of muscles is increased by:

At the neuromuscular junction,the axon terminal contains:

During exercise,the purpose of vasodilation in muscles is to:

The muscle on the back of the arm that extends the forearm is the:

The insertion of a muscle is its:

The function of the gluteus maximus is to:

Which statement is NOT true of the sliding filament mechanism of muscle contraction?

In the sliding filament mechanism of muscle contraction,the proteins that slide past each other as the muscle fiber shortens are:

The function of the quadriceps femoris is to:

The muscle on the anterior side of the thigh that flexes the lower leg is the:

The cerebellum of the brain:

In muscle contraction,the energy source ___ produces the waste product ___,which is excreted by the kidneys.