Cranial Nerves

Question 1

I - olfactory - SVA

Answer 1

smell

Question 2

II - optic - SSA

Answer 2

vision

Question 3

III - oculomotor - GSE

Answer 3

levator palpeerde superioris, superior, middle, and inferior rectus, inferior oblique

Question 4

IV - trochlear - GSE

Answer 4

superior oblique

Question 5

V - trigeminal - SVE

Answer 5

chewing muscles; tensor tympani muscle

Question 6

VI - abducens - GSE

Answer 6

lateral rectus

Question 7

VII - facial - GVE

Answer 7

parasympathetic to lacrimal, submandibular, sublingual glands

Question 8

VIII - vestibulocochlear - SSA

Answer 8

vestibular; hearing

Question 9

IX - glossopharyngeal - GVE

Answer 9

parasympathetic to parotid gland

Question 10

X - vagus - GVE

Answer 10

parasympathetic to smooth muscle and glands of pharynx, larynx; thoracic and abdominal viscera

Question 11

XI - spinal accessory - GSE

Answer 11

SCM and trapezius

Question 12

XII - hypoglossal - GSE

Answer 12

muscles of the tongue

Question 13

III - oculomotor - GVE

Answer 13

parasympathetic to sphincter papillae and ciliary muscles

Question 14

V - trigeminal - GSA

Answer 14

sensation of face, scalp, nasal cavities, part of tympanic membrane, anterior 2/3 of tongue

Question 15

VII - facial - SVE

Answer 15

muscles of facial expression; platysma; stapedius

Question 16

VII - facial - GSA

Answer 16

exteroceptors for sensation of skin behind ear and external auditory meatus

Question 17

VII - facial - GVA

Answer 17

visceral sensation from middle ear, nasal cavity, and soft palate

Question 18

VII - facial - SVA

Answer 18

taste from anterior 2/3 of tongue

Question 19

IX - glossopharyngeal - SVE

Answer 19

stylopharyngess muscle for swallowing

Question 20

IX - glossopharyngeal - GSA

Answer 20

general sensation from external ear

Question 21

IX - glossopharyngeal - GVA

Answer 21

touch sensation to posterior 1/3 of tongue; interoceptors of carotid sinus and body

Question 22

IX - glossopharyngeal - SVA

Answer 22

taste to posterior 1/3 of tongue

Question 23

X - vagus - SVE

Answer 23

muscles of pharynx; larynx

Question 24

X - vagus - GSA

Answer 24

exteroceptors for skin of earlobe and external auditory meatus

Question 25

X - vagus - GVA

Answer 25

interoceptors; stretch receptors; chemoreceptors

Question 26

X - vagus - SVA

Answer 26

taste to epiglottis

Question 27

XI - spinal accessory - SVE

Answer 27

muscles of larynx

Question 28

GSA

Answer 28

general somatic afferent general sensation (touch, pressure, pain, temp) from cutaneous structures and mucous membranes of the head general proprioception from somatic structures such as muscles, tendons, joints of the head and neck

Question 29

GSE

Answer 29

general somatic efferent provide general motor innervation to skeletal muscles derived from embryonic SOMITES

Question 30

GVA

Answer 30

general visceral afferent general sensation from visceral

Question 31

GVE

Answer 31

general visceral efferent provide visceral motor (parasympathetic) innervation to the viscera

Question 32

SSA

Answer 32

special somatic afferent special sensory information from the eye (retina), and from the ear (vestibular apparatus and cochlea)

Question 33

SVA

Answer 33

special visceral afferent special sensory fibers from viscera (smell and taste)

Question 34

SVE

Answer 34

special visceral efferent supply motor innervation to skeletal muscle derived from BRANCHIAL ARCHES