Unit 5: Spinal Cord, Spinal Nerves, Cranial Nerves & Reflexes

The portions of white matter are:

• Anterior White Columns

• Lateral White Columns

• Posterior White columns

• All of the above

Parts of the gray matter are:

• Anterior Gray Horn

• Posterior Gray Horn

• Lateral Gray horn

• Gray Commissure

• all of the above

The Central Canal:

• The deep indentation on the posterior surface of the spinal cord

• Is a narrow passageway that runs lengthwise through the central commissure of spinal cord.

• a deep indentation on the anterior surface of the spinal cord.

• A and C

The Posterior Median Sulcus:

• deep indentation on the posterior surface of the spinal cord.

• is a narrow passageway that runs lengthwise through the centralcommissure of the spinal cord.

• deep indentation on the anterior surface of the spinal cord.

• A and C

The Anterior Median Fissure:

• deep indentation on the anterior surface of the spinal cord.

• deep indentation on the posterior surface of the spinal cord.

• a narrow passageway that runs lengthwise through the centralcommissure of the spinal cord.

• A and B

What 3 meninges CT membranes that cover spinal cord as well as the brain?

• pia mater

• arachnoid

• duramater

• all of the above

what is the space between the arachnoid and Pia mater called?

• Subarachnoid space

• epidural space

• epidural fat

• none of the above

The space between the dura mater and the inside if the vertebral foramen of the vertebrae is called?

• epidural space

• epidural fat

• pia mater

• subarachnoid space

Spinal nerves are:

• bundles of neurons that arise form either side of the spinal cord in 31 pairs.

• connects to the posterior gray horn and contains only sensoryfibers. It contains a group of cell bodies

• connects to the anterior gray horn and contains motor fibers.

• none of these

Each spinal nerve connects to the spinal cord via two

• roots

• fats

• nerves

• cords