cranial nerves

Question 1

what is cranial nerve 1?

Answer 1

olfactory nerve

Question 2

Function of the olfactory n?

Answer 2

lateral olfactory stria determine type/intensity of smell and medial olfactory stria determine emotion

Question 3

What is cranial nerve 2?

Answer 3

Optic nerve

Question 4

function of the optic nerve?

Answer 4

sensory information about vission

Question 5

what is cranial nerve 3?

Answer 5

occulomotor nerve

Question 6

function of the occulomotor nerve?

Answer 6

movement of the eye, pupil constriction, and focus

Question 7

Muscles supplied by the oculomotor nerves?

Answer 7

superior division–> superior rectus, levator papilpebrae superioris
Inferior division–> medial rectus, inferior rectus, inferior oblique
iris and cilary muscle

Question 8

what is cranial nerve 4?

Answer 8

Trochlear

Question 9

Function of the trochlear nerve?

Answer 9

innervates superior oblique m

Question 10

what is cranial nerve 5?

Answer 10

trigeminal

Question 11

function of the trigeminal nerve?

Answer 11

sensation to anterior head and motor for mastication

Question 12

name the three divisions of the trigeminal nerve?

Answer 12

ophthalamic, maxillary, mandibullary

Question 13

main functions of the ophthalamic division?

Answer 13

sensory to forehead, sensation to bridge of nose

Question 14

main function of the maxillary division?

Answer 14

sensory from teeth and palate

Question 15

main function of the mandibullary division?

Answer 15

sensory from lower teeth and jaw, temporal, anterior tongue

Question 16

motor innervation of the trigeminal n.

Answer 16

supplies mylohyoid and anterior digastric

Question 17

what is the 6th cranial nerve?

Answer 17

aducens

Question 18

function of the aducens nerve?

Answer 18

abduction of the eye (superior lateral rectus)

Question 19

What is the 7th cranial nerve?

Answer 19

Facial nerve

Question 20

function of the fascial nerve?

Answer 20

muscles of fascial expression and chewing, sensation to external acoustic, taste, salivary gland (parasymp)

Question 21

list the 6 branches of the fascial motor roots?

Answer 21

posterior auricular, temproal, zygomatic, bucal, mandibular, cervical

Question 22

what is the 8th cranial nerve?

Answer 22

vestibulocochlear

Question 23

function of the vestibulocochlear nerve?

Answer 23

proprioception and hearing

Question 24

how many vestibular nuclei? cochlear?

Answer 24

4. 2

Question 25

How are different pitches differentiated?

Answer 25

high frequency sound is heard at base, low frequency sound is heard at apex

Question 26

How is intensity of sound interpreted?

Answer 26

degree of vibration

Question 27

how does proprioception of vestibulocochlear nerve work?

Answer 27

movement of head. hair moves, crystals bends, depolarizes nerve, sensation

Question 28

function of the glossopharyngeal nerve?

Answer 28

posterior tongue and pharynx

Question 29

function of the vagus nerve?

Answer 29

sensory taste, slow HR, increase Blood flow

Question 30

Function of the accesory nerve?

Answer 30

traps, sternocleidmastoid

Question 31

Function of the hypoglossal nerve?

Answer 31

inferior base of tongue muscles