The Nerve Fibers That Originate in the Cerebral Cortex and Control

Multiple Choice

The nerve fibers that originate in the cerebral cortex and control movement cross the midline just above the junction of the medulla and spinal cord.As a result,these fibers provide input to _________ structures of the body,or structures that are on the _________ side of the midline as the cortical cells providing their motor input.​ 

A) ipsilateral; same 
B) contralateral; opposite 
C) ipsilateral; opposite 
D) contralateral; same