The function of upper motor neurons is to
A) directly excite skeletal muscle cells.
B) excite or inhibit skeletal muscle cells.
C) excite or inhibit lower motor neurons.
D) excite motor portions of the thalamus.
E) excite or inhibit motor portions of the cerebral cortex.

Question

Quizplus · Accepted Answer

Upper motor neurons primarily function to excite or inhibit lower motor neurons, which in turn directly control skeletal muscle activity.

The Function of Upper Motor Neurons Is to