How many spinal nerves are there?

• 12

• 24

• 31

• 62

What layer of the meninges is attached to the skull's periosteum?

• Arachnoid mater

• Cerebrospinal fluid

• Dura mater

• Pia mater

What spinal column is found on the back of the spine?

• Lateral column

• Medial column

• Dorsal column

• Ventral column

Axons are organized by type and direction of information within the spine. What are these physical organizations called?

• Spinal pathways

• Nerve tracts

• Spinal columns

• Nerve pathways

The arachnoid mater resembles what thing from nature?

• Spiders

• Silk

• Cobwebs

• Coral

What is the basic functional unit of the nervous system?

• Neurons

• Spinal nerves

• Axons

• Reflex arcs

The ventral column of the spinal cord is found on ________________.

• The front of the spinal cord

• The right side of the spinal cord

• The left side of the spinal cord

• The back of the spinal cord

What layer of the meninges is so closely attached to the brain that the two layers cannot be separated?

• Arachnoid mater

• Cerebrospinal fluid

• Dura mater

• Pia mater

A message is sent from the brain to the biceps telling it to contract in order to raise a cup of water to the mouth. Which pathway in the spinal cord does this message use?

• The ascending pathway

• The descending pathway

• The lateral pathway

• The dorsal pathway

The lateral column is found where in the spinal cord?

• The back of the spinal cord

• The front of the spinal cord

• The sides of the spinal cord

• The center of the spinal cord