Final Cranial Nerves

Question 1

GSE of hypoglossal n

Answer 1

tongue muscles, speech, swallowing, chewing, sucking

Question 2

GSE of spinal accessory n

Answer 2

SCM, trapezius (accessory nucleus)

Question 3

SVE of spinal accessory n

Answer 3

larynx, pharynx, soft palate (nucleus ambiguus)

Question 4

SVE of vagus n

Answer 4

soft palate, pharynx, larynx, upper esophagus (nucleus ambiguus)

Question 5

GVE of vagus n

Answer 5

glands in larynx/pharynx, smooth muscles in lungs, cardiac muscle, smooth muscle and glands in abdominal viscera (dorsal motor nucleus of vagus - autonomic gang)

Question 6

GSA of vagus n

Answer 6

skin of posterior ear, external auditory canal, tympanic membrane (spinal trigeminal nucleus)

Question 7

GVA of vagus n

Answer 7

pharynx, larynx, trachea, thoracic and abdominal viscera (nucleus solitarius)

Question 8

SVA of vagus n

Answer 8

taste from epiglottis (nucleus solitarius)

Question 9

SVE of glossopharyngeal n

Answer 9

stylopharyngeus m (nucleus ambiguus)

Question 10

GVE of glossopharyngeal n

Answer 10

secretion from the parotid gland (inferior salivatory nucleus - otic gang)

Question 11

GSA of glossopharyngeal n

Answer 11

posterior 1/3 tongue, tonsil, eustachian tube, posterior wall of pharynx, ear (chief sensory, spinal trigeminal nucleus)

Question 12

GVA of glossopharyngeal n

Answer 12

carotid sinus (BP) and carotid body (CO2) (nucleus solitarius)

Question 13

SVA of glossopharyngeal n

Answer 13

taste to the posterior 1/3 of tongue (nucleus solitarius)

Question 14

SSA of vestibulocochlear n

Answer 14

sense of hearing (cochlear nucleus) and equilibrium balance (vestibular nucleus)

Question 15

GVE of facial n

Answer 15

salivation from submandibular and sublingual glands (superior salivatory nucleus - submandibular gang) and lacrimal glands and nasal mucosal glands (superior salivatory nucleus - pterygopalatine gang)

Question 16

SVE of facial n

Answer 16

muscles of facial expression, stapedius, platysma, posterior digastric, stylohyoid muscle (facial motor nucleus)

Question 17

GSA of facial n

Answer 17

cutaneous input from posterior EAM and tympanic membrane (CSN,STN,mesecephalic - geniculate gang)

Question 18

SVA of facial n

Answer 18

taste to anterior 2/3 tongue (nucleus solitarius - geniculate gang)

Question 19

GSE of abducens n

Answer 19

lateral rectus muscle (abducens motor nucleus)

Question 20

SVE of trigeminal n

Answer 20

muscles of mastication, temporalis m, masseter m, medial pterygoid m, lateral pterygoid m, ant digastric m, mylohyoid m, tensor tympani, tensor veli palatini (trigeminal motor nucleus)

Question 21

GSA of trigeminal n

Answer 21

proprioception (mesencephalic nucleus)
pain and temp (spinal trigeminal nucleus)
2pt touch, pressure, vib (chief sensory nucleus)

Question 22

GSE of trochlear n

Answer 22

superior oblique m (trochlear motor n)

Question 23

GVE of oculomotor n

Answer 23

sphincter pupillae m, ciliary body (edinger-westphal nucleus - ciliary gang)

Question 24

GSE of oculomotor n

Answer 24

muscles of the eye (oculomotor nucleus)

Question 25

SSA of optic n

Answer 25

sight

Question 26

SVA of olfactory n

Answer 26

smell