Which of the following is true for a primary motor cortex (M1) corticospinal interneuron that produces action potentials during movements of the big toe of the right foot?
A. A portion of its axon is located in a nerve in the right leg.
B. Its dendrites are located in the left primary motor cortex (M1) which is in the left cerebral cortex.
C. Its axon terminals are located in the right side of the spinal cord.