What does it mean if nerve fibers decussate?Multiple choice question.They cross from ascending to descending tracts.They cross from one side of the spinal cord or brainstem to another - from right to left or from left to right.They remain in the original spinal cord tract from origin to the termination point.They cross from an anterior to a posterior column on the same side of the spinal cord.

Where do most fibers decussate in the lateral corticospinal tract? Pons. Spinal cord. Medulla oblongata. Thalamus.

At what level do the majority of nerve fibers cross from the right to the left?Group of answer choicesponscervical region of spinal cordmedullaT1-T12

Most of the neurons of the anterolateral system decussate in the*corpus callosummedullamidbrain.spinal cordlower brain stem

In the parasympathetic nervous system, nerves exit the spinal cord from the:lumbar regions and cranial nervesSacral region and cranial nervesthoracic and lumbar regionsThoracic and sacral regions

Within the spinal cord, ______ tracts carry nerve impulses to the brain while ______ tracts carry nerve impulses from the brain to the periphery.Multiple choice question.ascending; descendingdescending; ascending