Question

chapter 12 end of chapter review question 12
1 part | -- of 1 point

which of the following regions of the brain stem carries one - way communications that
the cerebellum of voluntary motor activities initiated by the motor cortex?

○ medulla oblongata
○ pons
○ midbrain
○ thalamus

Explanation:

To solve this, we analyze each option:

• Medulla oblongata: Mainly controls vital functions like breathing, heart rate, not motor communication to cerebellum.
• Pons: Contains tracts that carry motor signals from the motor cortex to the cerebellum for voluntary motor activity coordination.
• Midbrain: Involved in visual/audio reflexes, not primary motor - cerebellum communication.
• Thalamus: A relay station for sensory/motor signals but not the brain - stem region for this specific motor - cerebellum pathway.

Answer:

B. pons