cranial nerves (last 6)

Question 1

what is the seventh cranial nerve

Answer 1

facial nerve

Question 2

where does the facial nerve start, pass through and end

Answer 2

PONS, internal acoustic meatus, stylomastoid foramen to lateral aspect of face

Question 3

what type of fibres does the facial nerve have

Answer 3

motor - facial expressions
sensory - taste

Question 4

what are the clinical assessment considerations

Answer 4

test facial expressions, clench eyes, smile frown…
look for one side deficiency

Question 5

where does the vestibulocochlear nerve start, pass through and end

Answer 5

internal acoustic meatus, enters brain stem at PONS

Question 6

what type of nerve fibres does the vestibulocochlear nerve have

Answer 6

sensory - balance/equilibrium and hearing

Question 7

what are the two divisions f the vestibulocochlear nerve

Answer 7

vestibular nerve
cochlear nerve

Question 8

what are the assessment considerations for the vestibulocochlear nerve

Answer 8

close eyes when standing still to check equilibrium
block one ear and whisper in the other to check hearing

Question 9

where does the glossopharyngeal nerve start, pass through and end

Answer 9

medulla, leave skull via the jugular foramen to the throat

Question 10

what type of fibres does the glossopharyngeal nerve have

Answer 10

motor - innervates tongue
sensory - taste/ pharynx

Question 11

what are the assessment considerations for the glossopharyngeal nerve

Answer 11

gag reflex

Question 12

where does the vagus nerve start

Answer 12

medulla

Question 13

what does the vagus nerve innervate

Answer 13

all viscera in the body

Question 14

what is special about the vagus nerve

Answer 14

its the only cranial nerve that extends beyond the head and neck

Question 15

what type of fibres does the vagus nerve have

Answer 15

motor - parasympathetic visceral organs
sensory - taste

Question 16

where does the cranial root of the accessory nerve start and pass through

Answer 16

medulla and passes through the jugular foramen

Question 17

where does the spinal root of the accessory nerve start and pass through

Answer 17

upper spinal cord (c1-c5) and passes through the foramen magnum

Question 18

where does the accessory nerve innervate

Answer 18

sternocleidomastoid and trapezius muscle

Question 19

what type of fibres does the accessory nerve have

Answer 19

motor - moves head and neck

Question 20

what are the assessment considerations of the accessory nerve

Answer 20

move head and shrug shoulders

Question 21

where does the hypoglossal nerve start and end

Answer 21

medulla and exits the skull via the hypoglossal canal

Question 22

what type of fibres does the hypoglossal nerve have

Answer 22

extrinsic and intrinsic muscles of the tongue

Question 23

what are the assessment considerations of the hypoglossal nerve

Answer 23

if they can speak clearly, swallow and move tongue

Question 24

Exit foramen of facial nerve

Answer 24

Auditory canal

Question 25

Exit foramen of vestibulocochlear

Answer 25

Auditory canal

Question 26

Exit foramen of glossopharyngeal nerve

Answer 26

Jugular foramen

Question 27

Exit foramen of vagus nerve

Answer 27

Jugular foramen

Question 28

Exit foramen of accessory nerve

Answer 28

Jugular foramen

Question 29

Exit Foramen of hypoglossal nerve

Answer 29

Hypoglossal foramen