Cranial Nerves Flashcards
1
Q
What is cranial nerve II, what is it’s role and where does it emerge from?
A
Optic nerve
Vision
Midbrain
2
Q
What is cranial nerve III, what is it’s role and where does it emerge from?
A
Oculomotor
Raises upper eyelid and turns eyeball up, down and medially
Emerges from mid brain
3
Q
What is cranial nerve IV, what is it’s role and where does it emerge from?
A
Trochlear
Assists in turning eyeball down and medially
Emerges from midbrain
4
Q
What is cranial nerve VI, what is it’s role and where does it emerge from?
A
Abducens
Turns eyeball laterally
Emerges from pons
5
Q
What is cranial nerve VIII, what is it’s role and where does it emerge from?
A
Vestibulocochlear
Equilibrium and hearing
Emerges from pons
Carries impulses from vestibular apparatus to vestibular nuclei
