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Flashcards in Cranial nerves Deck (27):
1

What are the 12 cranial nerves?

1. olfactory
2. optic
3. oculomotor
4. trochlear
5. trigeminal
6. abducens
7. facial
8. vestibulocochlear
9. glossophayngeal
10. vagus
11. accessory
12. hypoglossal

2

are sensory nuclei located more lateral or medial to motor nuclei in the brainstem?

lateral

3

What is the foramen of the olfactory nerve?

the cribiform plate

4

What is the function of the olfactory nerve?

smell

5

Where is the optic nerve located?

to optic chiasma, optic tract

6

what is the foramen of the olfactory nerve?

optic canal

7

what is function of the optic nerve?

vision

8

where is the oculomotor nerve located?

pontomesencephalic junction

9

what is the function of the oculomotor nerve?

extra ocular muscles 4 & 6

10

which foramen does the oculomotor nerve leave the brain?

the superior orbital fissure

11

which foramen does the trochlear leave the brain

the superior orbital fissure

12

what is the function of trochlear?

superior oblique muscle

13

what is the function of abducens?

LR6 - lateral rectus

14

which foramen does abducens leave the brain?

superior orbital fissure

15

which branch of the trigeminal nerve leaves the superior orbital fissure?

ophthalmic division - sensation from upper face

16

where does the maxillary division leave the brain?

foramen rotundum - sensation from middle face

17

where does the mandibular region leave the brainstem?

foramen ovale - sensation from lower face and muscles of mastication

18

what is the role of the facial nerve?

muscles of facial expression
anterior 2/3rds of tongues
parasympathetic to all glands

19

where does the facial nerve leave the brain?

internal acoustic meatus

20

what is the role of vestibular cochlear?

hearing and balance

21

where does vestibular cochlear leave the brain?

internal acoustic meatus

22

where does the vagus nerve leave the brain

jugular foramen

23

what is the role of vagus?

muscles of pharynx and larynx, taste from epiglottis and palate

24

where does accessory nerve leave the brain?

jugular foramen

25

what is role of accessory nerve?

motor to SCM and trapesius

26

where does hypoglossal leave the brain?

hypoglossal canal

27

what is role of hypoglossal?

motor to muscles of tongue