Question: The spinal cord conducts signals up and down the body passing through gray and white matter, respectively.

Answer: FALSE

Question: Cervical and lumbar enlargements are wide points in the spinal cord marking the emergence of motor nerves.

Answer: FALSE

Question: Each portion of the spinal cord served by a spinal nerve is called a segment of the cord.

Answer: TRUE

Question: Nerve fibers in a given tract in the white matter are similar in origin, destination, and function.

Answer: TRUE

Question: Motor signals typically begin in an upper motor neuron in the thalamus.

Answer: FALSE

Question: Most nerves are motor nerves.

Answer: FALSE

Question: A nerve fiber is enclosed in its own fibrous sleeve called perineurium.

Answer: FALSE

Question: A ganglion is a swelling along a nerve containing cell bodies of peripheral neurons.

Answer: TRUE

Question: A dermatome is a nerve innervating a specific region in the skin.

Answer: FALSE

Question: Posterior root ganglia contain somas of unipolar neurons.

Answer: TRUE