Cranial Nerves Flashcards
1
Q
Two main divisions of the nervous system
A
Central and peripheral
2
Q
What does the CNS consist of?
A
Spinal cord, brain
3
Q
What does the PNS consist of?
A
All nerves that extend outward from the brain or spinal cord
4
Q
What sort of functions do cranial nerves have?
A
Parasympathetic
5
Q
Functions of cranial nerve V:
A
- Trigeminal nerve
- Innervation of the skin of the anterior face and head
6
Q
Ophthalmic Division of Trigeminal Nerve.
Describe its location.
What does it supply?
A
- V1
- Leaves the skull through the superior orbital fissure and enters the orbital cavity
- Supplies the skin above the eye and up into the forehead
7
Q
Maxillary Division of the Trigeminal Nerve.
Describe its distribution.
A
- V2
- Follows the distribution pattern of the maxillary artery (i.e. upper teeth and oral cavity)
8
Q
The first two divisions of the trigeminal nerve (_____ & ______) are purely ______ and not _____ nerves.
A
V1 = Ophthalmic
V2 = Maxillary
Sensory, not motor.
