Which Statement Concerning the Corticospinal System Is Correct

question 253

Multiple Choice

Which statement concerning the corticospinal system is correct?

• A) It consists of fibres that originate within the primary motor cortex and terminate on motor neurons.
• B) It involves the motor regions of the cortex, the cerebellum, the basal nuclei, and the thalamus.
• C) It is primarily concerned with regulation of overall body posture.
• D) It consists of fibres that originate within the parietal lobe and terminate on posterior grey horn of the spinal cord.

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