Nervous System Quiz

There are ___ pairs of cranial nerves

12

The entire spinal cord is divided into ___ segments

31

Small phagocytic cells that are especially obvious in damaged tissue in the CNS are the

Astrocytes

The glial cells responsible for maintaining the blood-brain barriers are the

Astrocytes

The brain and spinal cord comprise the

Central nervous system

The primary connection between cerebral hemispheres is the

Corpus callosum

Neurotransmitters are releases from the

Dendrites

The part of the peripheral nervous system that brings information to the central nervous system is the

Efferent division

The projections of gray matter toward the outer surface of the spinal cord are called

Horns

In general the nervous system

Is fast acting

If Broca's are is damaged, what might result?

Loss of ability to speak

Major centers connected with autonomic control of breathing, blood pressure, heart rate, and digestive activities are located in the

Medulla oblongata

Regions of the brain that are involved in interpreting data or coordinating motor responses are

Association areas

The visual cortex is located in the

Occipital lobe

The surface of the postcentral gurys contains the

Primary sensory cortex

What are the parts of a reflex arc in correct order

Receptor, sensory neuron, interneuron, motor neuron, effector

The myelin sheaths that surround the axons of some of the neurons in the CNS are performed by

Schwann cells

The cranial nerve that has three branches is the

Trigeminal