Cranial Nerves For Speech/Swallow

Question 1

CN V Name and Functions

Answer 1

trigeminal - biggest CN, moves the masseter, temporalis, and medial pterygoid muscles for closing mouth, the lateral pterygoid muscle for opening mouth, facial sensations, as well as general sensations for tongue

Question 2

CN VII Name and Functions

Answer 2

facial - 5 branches - used for facial expressions and taste to anterior 2/3rd of tongue

Question 3

CN IX Name and Functions

Answer 3

Glossopharyngeal - for production of saliva, for general and taste of posterior 1/3rd tongue, raises the larynx by innervating the stylopharyngeus muscle, sensations of the oropharynx including tonsils, initiating pharyngeal swallow,

Question 4

CN X Name and Functions

Answer 4

Vagus - longest CN - used for taste sensation to epiglottis, raising the soft palate, sensation and muscles for larynx, supplies pharynx

Question 5

CN XI Name and Functions

Answer 5

Accessory - neck and shoulder movement

Question 6

CN XII Name and Functions

Answer 6

Hypoglossal - for tongue movement