Trigeminal Nerve

Question 1

what sits in a depression at the tip of the petrous temporal bone

Answer 1

trigeminal ganglion

Question 2

trigeminal nerve

Answer 2

largest cranial nerve
mainly a sensory nerve

Question 3

trigeminal nerve provides general sensory innervation for

Answer 3

skin of the face and scalp
mouth and tongue
teeth
nasal cavities and air sinuses
corneas

Question 4

trigeminal nerve also has a motor component which is

Answer 4

supplying muscles of mastication

Question 5

trigeminal nerve has 3 major branches

Answer 5

ophthalmic nerve (V1)
maxillary nerve (V2)
mandibular nerve (V3)

Question 6

ophthalmic nerve

Answer 6

sensory
supplies skin on the forehead, upper eyelid, conjunctiva and top of the nose including tip

Question 7

maxillary nerve

Answer 7

sensory
supplies skin of nose (lateral part), lower eyelid, cheek, upper lip, lateral side of orbit

Question 8

mandibular nerve

Answer 8

sensory and motor
skin of lower lip, lower part of face, temporal region
motor fibers supply muscles of mastication

Question 9

ophthalmic nerve passes through the _______ _____, exits through the _______ ______ ______

Answer 9

cavernous sinus
superior orbital fissure

Question 10

the ophthalmic nerve is purely a

Answer 10

sensory nerve

Question 11

the ophthalmic terminal branch

Answer 11

the supraorbital nerve
supplies the skin of the forehead

Question 12

the maxillary nerve passes through the ______ _____, exits skull via _____ ______

Answer 12

cavernous sinus
foramen rotundum

Question 13

maxillary nerve is purely

Answer 13

sensory nerve

Question 14

major branches of the maxillary nerve

Answer 14

infraorbital nerve
superior alveolar nerves

Question 15

infraorbital nerve

Answer 15

exits through the infraorbital foramen to supply the skin of the lower eyelid, lateral surface of the nose, cheek and upper lip

Question 16

superior alveolar nerves

Answer 16

to maxillary teeth and gums

Question 17

pterygopalatine ganglion is attached to

Answer 17

V2

Question 18

what joins the pterygopalatine ganglion

Answer 18

parasympathetic fibers from facial nerve join the pterygopalatine ganglion

the ganglion sends postsynaptic fibres to lacrimal gland

Question 19

mandibular nerve exits skull via

Answer 19

foramen ovale

Question 20

mandibular nerve has both

Answer 20

sensory and motor component

Question 21

mandibular nerve sensory branches

Answer 21

buccal nerve
lingual nerve
inferior alveolar nerve
auriculotemporal nerve

Question 22

buccal nerve

Answer 22

sensory nerve from the skin of the cheek and buccal mucosa

Question 23

lingual nerve

Answer 23

sensory nerve from the anterior 2/3s of the tongue, floor of the mouth, and mandibular gingiva

Question 24

inferior alveolar nerve

Answer 24

enters mandible through the mandibular foramen and carries general sensation from the mandibular teeth

emerges through the mental foramen as mental nerve that supplies skin of the chin and lower lip

Question 25

auriculotemporal nerve

Answer 25

sensory nerve from the skin of the temporal region and external ear

Question 26

motor branches of the mandibular nerve go to

Answer 26

to muscles of mastication

Question 27

sensory innervation of face and scalp

Answer 27

ophthalmic nerve V1
maxillary nerve V2
mandibular nerve V3