The primary motor cortex
A) is located in the parietal lobes
B) in the left cerebral hemisphere controls the skeletal muscles on the right side of the body
C) is the only region of the brain involved with motor control
D) develops motor programs for specific voluntary tasks
E) All of these

Question

Quizplus · Accepted Answer

The primary motor cortex is located in the frontal lobes and controls the skeletal muscles on the opposite side of the body. Option A is incorrect, option C is incorrect as other regions of the brain are involved in motor control, and option D is only partially correct as the primary motor cortex is involved in the initiation of motor programs for voluntary tasks, but not the development or planning of those programs.

The Primary Motor Cortex