Descending instructions along the ________ tracts of the spinal cord adjust peripheral muscle tone to complement the reflexive movements of the head or neck.
A) tectospinal
B) corticospinal
C) vestibulospinal
D) rubrospinal
E) corticobulbar

Question

Quizplus · Accepted Answer

The vestibulospinal tracts are responsible for adjusting muscle tone in complement to reflexive movements of the head or neck. The tectospinal and rubrospinal tracts are involved in postural adjustments and limb movements, while the corticospinal and corticobulbar tracts are involved in voluntary movements and control of muscles of the limbs and face, respectively.

Descending Instructions Along the ________ Tracts of the Spinal Cord