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