Question

multiple choice question
the basal nuclei consist of______.
gray matter
white matter
a mixture of about 60% gray matter and 40% white matter

Explanation:

The basal nuclei (basal ganglia) are composed of gray matter. Gray matter in the brain consists mainly of neuron cell bodies, dendrites, and unmyelinated axons, while white matter is mainly myelinated axons. The basal nuclei are a collection of gray matter structures deep within the cerebral hemispheres.

Answer:

A. gray matter