Ch. 13 & 14 Review

The central nervous system is composed of the ____.

• Nerves and ganglia

• The brain and spinal cord

• The brain only

Which list shows the spinal meninges correctly arranged from outermost to innermost?

• Dura mater, arachnoid mater, pia mater

• Arachnoid mater, dura mater, pia mater

• Pia mater, arachnoid mater, dura mater

• Pia mater, dura mater, arachnoid mater

In the spine and brain, the posterior is always to ____ while the anterior is to ____.

• Motor, sensory

• Sensory, motor

T or F: The lumbosacral enlargement supplies the shoulder and upper limb.

• True

• False; cervical

T or F: The denticulate ligament is a strand of fibrous tissue at the end of the conus medullaris that anchors to the coccygeal ligament.

• True

• False; the filum terminale

The ____ space is between the dura mater and the arachnoid mater.

• Subarachnoid

• Epidural

• Subdural

• Subpia

T or F: Cerebrospinal fluid is found within the subarachnoid space.

• True

• False; subdural

What are tracts?

• A pair of axons in the CNS

• Masses of gray matter in the CNS

• Masses of white matter in the CNS

• Bundles of axons in the CNS

Ascending tracts transport ____ information up toward the brain while descending tracts carry ___ commands down to the spinal cord.

• Autonomic, somatic

• Sensory, motor

• Somatic, autonomic

• Motor, sensory

T or F: Spinal reflexes are controlled by the spinal cord and the brain.

• True

• False; only the spinal cord without the brain