Introduction to the Nervous System

Which of the following is not part of the central nervous system?

• brain
• spinal cord
• motor and sensory neurons
• interneurons

There are 12 pairs of spinal nerves and 31 pairs of cranial nerves in the peripheral nervous system.

• True
• False

Which of the following is not considered glia?

• astrocytes
• ependymal cells
• oligodendrocytes
• neurons

Which is a whitish, fatty segmented covering on axons that act as insulators?

• myelin sheath
• synapse
• microglia
• glanglia

A neurotransmitter is a chemical that allows neurons to communicate with one another.

• True
• False

The space between two neurons is called a synapse.

• True 
• False

Neurons do not touch one another.

• True
• False

Which of the following is not a function of the cerebrum?

• voluntary motor control, learning, planning and speech
• cognitive/intellectual processes
• vision and visual memory, hearing, smell, judgement, reasoning
• balance and coordination

The cerebellums main functions are balance and coordination.

• True
• False

Which of the following is not part of the brainstem?

• cerebellum
• midbrain
• pons
• medulla oblongata