IOTA 11 Flashcards
Which cranial nerves exit from the midbrain?
CN 3 : from anterior surface - motor
CN 4: from posterior surface - motor
What cranial nerves come out from the Pons?
CN 5: MIXED NERVE(sensory & motor)
CN 6: motor
CN7: MIXED NERVE (more motor than sensory)
CN 8: motor
Which cranial nerves come out from the medulla?
CN 12: MOTOR
CN 9: mixed
CN 10: mixed
CN 11: cell bodies are cervical spinal cord (C1-C6)
What cranial nerve innervates the eye? (Location: midbrain)
Cranial nerve 3 - motor: movement if eyeball
Right: right eye
Left: left eye
Cranial 4- motor: eye
Right: right eye
Left: left eye
What cranial nerve is responsible for sensation of head?
Cranial nerve 5: more sensory than motor
Right: right head
Left: left head
From pons
What does cranial nerve 6 do?
Innervate the eye
Right: right eye
Left: left eye
The most lateral cranial nerve 8 is sensory for what?
Sensing auditory and balance
What is cranial nerve 7 innervating ?
Mixed ( between 6 and 8: motor and sensory)
Mostly motor with a bit of sensory
CN in pons?
5
6
7
8
CN in mid brain
3
4
What is CN 12?
Motor
Comes from the pre-olivary sulcus
Right: right side of tongue
Left: left side of tongue
What is the olive?
Structure in midbrain
Which cranial nerves come from the post-olivari sulcus?
CN 9
CN 10
Both mixed nerves
Where is CN 2 ?
Optic nerve
Innervates ipsilaterally
Innervates diencephalon
Not associated with midbrain
