In the Two Groups of Descending Tracts in the Motor

Multiple Choice

In the two groups of descending tracts in the motor system, neurons of the ________ control the movements of the body trunk, whereas neurons of the ________ control movements of the hands and fingers.

A) ventromedial group; lateral group
B) primary motor cortex; secondary motor cortex
C) lateral group; ventromedial group
D) premotor cortex; nigrostriatal bundle
E) secondary motor cortex; primary motor cortex