In Motor Pathways, the Only Portion of the Pathway That

Question

In motor pathways, the only portion of the pathway that is outside of the CNS is the
A) lower motor neuron.
B) upper motor neuron.
C) axon of the lower motor neuron.
D) axon of the upper motor neuron.
E) interneuron.

Accepted Answer

The axon of the lower motor neuron extends from the CNS to the effector muscles, making it the only part of the motor pathway outside the CNS.