Cranial Nerves
Number
Damage to Cranial Nerves
Brain Function
Neuroglia Cells
Nerve Signals
100
Cranial Nerve II

What is the optic nerve?

100

Damage to this cranial nerve causes impaired smelling

What is the olfactory nerve?

100

The three meninges of the brain

What is the dura mater, arachnoid mater and pia mater?
100

These neuroglia cells phagocytize cellular debris.

What are microglia?

100

This brings sensory information away from the brain.

What is a motor neuron?

200

Cranial Nerve VIII

What is the vestibulocochlear nerve?

200

Damage to this cranial nerve causes sagging facial muscles

What is the facial nerve?
200

The lobe of the brain most concerned with vision 

What is the occipital lobe?

200
These neuroglia cells secrete CSF

What are ependymal cells?

200

This type of nerve conducts signals fastest. 

What is a large myelinated neuron?

300

Cranial Nerve X

What is the Vagus Nerve?

300

Damage to this cranial nerve causes a disturbed sense of taste and difficulty swallowing

What is the glossopharyngeal nerve?

300

This lobe of the brain recieves and processes sensory information. 

What is the parietal lobe?

300

This neuroglia myelinates in the PNS

What is a Schwann cell?

300

This is the period where there is absolutely no chance of another stimulation.

What is absolute refractory period?

400

Cranial Nerve VI

Abducens Nerve

400

Damage to these cranial nerves (2) causes double vision

What are the oculomotor nerve and the trochlear nerve?

400

This side of the brain contains abilities such as music, procedural memory, left motor functions. 

What is the right hemisphere of the brain?

400

This neuroglia cell myelinates in the CNS

What is oligodendrocytes?

400

This type of summation is one neuron firing at very close range. 

What is temporal summation?

500
Cranial Nerve XII

What is the hypoglossal nerve?

500

Damage to this cranial nerve causes disturbed head, neck and shoulder movement. 

What is the accessory nerve?

500
This area of the brain is involved with the lifesaving functions of regulating HR, vasomotor functions, respiratory functions and reflex centers

What is the medulla oblongata?

500
This neuroglia cell is involved in creating the blood brain barrier. 
What is an astrocyte?
500

This is the tract that is usually shown in green, and that brings information back from the brain. 

What is a descending tract?

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