If L = load, F = fulcrum, and E = effort, what type of lever system is described as LEF?

Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane?

Nerve impulses are sent to slow the heart’s rate of contraction. The nerve fibers sending these signals will most likely belong to which division of the nervous system?

During isometric contraction, the energy used appears as movement.

Meningitis can be caused by infection of the central nervous system by bacteria. Which cells would be most responsible for removing the infection?

79. Define motor unit, muscle twitch and tetanus.  Explain how skeetal muscles are able to produce smooth, graded contractions from a muscle twitch using summation and recruitment?

What does excess postexercise oxygen consumption represent?

These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid.

Nerve impulses leading to the skeletal muscle carry information to direct movement. The nerve fibers sending these signals will most likely belong to which division of the nervous system?

When a neurotransmitter like acetylcholine is acting in an excitatory manner which of the following is likely a result of the acetylcholine acting on the postsynaptic cell?