Exam 17: The Spinal Cord and the Spinal Nerves

A typical reflex arc involves the following components: 1) sensory neuron 2) motor neuron 3) sensory receptor 4) integrating center 5) effector The correct order is:

What is the best description of the arachnoid mater?

The two main routes for sensory information traveling up the spinal cord to the brain are _____ tracts and _____ columns.

From which plexus does the femoral nerve arise?

From which plexus does the iliohypogastric nerve arise?

The meninx indicated by the line is the _____.

Complete paralysis of the diaphragm occurs if the spinal cord is crushed or destroyed just below the C5 region.

The central canal of the spinal cord is located in the center of the:

What is the best description of the subarachnoid space?

From which plexus does the long thoracic nerve arise?

Cell bodies of motor neurons that supply smooth muscle, cardiac muscle, or glands via the autonomic nervous system can be found in the lateral gray horns of the spinal cord.

Lateral gray horns are present in ALL segments of the _____ region of the spinal cord.

Select the muscle(s) served by the tibial nerve.

Which of the following contains sensory information ONLY?

The roots of which spinal nerves make up the cauda equina? 1) Thoracic 2) Lumbar 3) Sacral 4) Coccygeal

Select the muscle(s) served by the obturator nerve.

Spinal nerves T2-T12 differ from all other spinal nerves in that:

Describe, in order, from superficial (outermost) to deep (innermost), the structures, tissues, and fluids that provide protection for the spinal cord.

The main plexuses formed by the anterior (ventral) rami of spinal nerves are:

Except for T2-T12, all anterior (ventral) rami form nerve plexuses.