Deck 17: Trigeminal Nerve

Question 1

What are the three divisions of the trigeminal nerve?

Answer 1

Ophthalmic (V₁), maxillary (V₂), mandibular (V₃)

Question 2

Which divisions of the trigeminal nerve only contain sensory nerve fibers that supply structures of the head?

Answer 2

Ophthalmic (V₁), maxillary (V₂)

Question 3

What are the four parasympathetic ganglia associated with the branches of the trigeminal nerve?

Answer 3

Ciliary, pterygopalatine, otic, and submandibular ganglia

Question 4

What space does the maxillary nerve enter upon exiting the skull through the foramen rotundum?

Question 5

What feature forms the lateral wall of the pterygopalatine fossa?

Question 6

The trigeminal nerve contains motor fibers.

Question 7

The trigeminal nerve is the major sensory nerve of the head.

Question 8

Branches of the ____________________ nerve supply proprioceptive fibers to the muscles of mastication.

Question 9

The cell bodies of motor neurons in the trigeminal nerve are located in the ____________________.

Question 10

Nerve cell bodies of afferent fibers from the trigeminal nerve are located in the ____________________.

Question 11

The maxillary division of the trigeminal nerve exits the cranial cavity through the ____________________.

Question 12

The ____________________ connects the pterygopalatine fossa to the nasal cavity.

Question 13

The ____________________ connects the pterygopalatine fossa to the orbit.

Question 14

The ____________________ connects the pterygopalatine fossa to the hard palate.

Question 15

Skin over the zygomatic arch is innervated by the ____________________ nerve.

Question 16

The ____________________ nerve provides sensory innervation to the skin over the temporal region.

Question 17

Taste and preganglionic fibers reach the lingual nerve via the ____________________ nerve, which is a branch of the facial nerve.

Question 18

The cell bodies of afferent nerve fibers which supply the sublingual salivary gland are located in the ____________________.

Question 19

The motor fibers of the trigeminal nerve leave the skull through the ____________________.

Question 20

The branch of the mandibular nerve that supplies the mandibular teeth is called the ____________________ nerve.

Question 21

The ____________________ connects the pterygopalatine fossa to the infratemporal fossa.

Question 22

The middle meningeal artery is frequently encircled by the ____________________ nerve en route to innervate the parotid gland.

Question 23

Pain fibers from an infected pimple on the forehead would be transmitted through which of the following nerves?

A) Short ciliary
B) Long ciliary
C) Supratrochlear
D) Supraorbital
E) Infratrochlear

Question 24

What structure forms the roof of the pterygopalatine fossa?

A) Lesser wing of the sphenoid bone
B) Greater wing of the sphenoid bone
C) Pterygoid process of the sphenoid bone
D) Maxilla
E) Palatine bone

Question 25

Which of the following bones forms the posterior wall of the pterygopalatine fossa?

A) Lesser wing of the sphenoid bone
B) Greater wing of the sphenoid bone
C) Pterygoid process of the sphenoid bone
D) Maxilla
E) Palatine bone

Question 26

Which of the following bones forms the anterior wall of the pterygopalatine fossa?

A) Lesser wing of the sphenoid bone
B) Greater wing of the sphenoid bone
C) Pterygoid process of the sphenoid bone
D) Maxilla
E) Palatine bone

Question 27

What opening connects the pterygopalatine fossa to the nasal cavity?

A) Greater palatine canal
B) Inferior orbital fissure
C) Sphenopalatine foramen
D) Pterygomaxillary fissure
E) Superior orbital fissure

Question 28

What opening connects the pterygopalatine fossa to the orbit?

A) Greater palatine canal
B) Inferior orbital fissure
C) Sphenopalatine foramen
D) Pterygomaxillary fissure
E) Superior orbital fissure

Question 29

What opening connects the pterygopalatine fossa to the infratemporal fossa?

A) Greater palatine canal
B) Inferior orbital fissure
C) Sphenopalatine foramen
D) Pterygomaxillary fissure
E) Superior orbital fissure

Question 30

What opening connects the pterygopalatine fossa to the hard palate?

A) Greater palatine canal
B) Inferior orbital fissure
C) Sphenopalatine foramen
D) Pterygomaxillary fissure
E) Superior orbital fissure

Question 31

Which of the following statements regarding the greater palatine nerve is correct?

A) It supplies the mucosa of the palatal gingiva of the maxillary incisors and canine teeth.
B) It supplies the mucosa of the nasopharynx.
C) It supplies the mucosa of the hard palate adjacent to the molar and premolar teeth.
D) It supplies the mucosa of the nasal cavity.
E) It supplies the mucosa of the soft palate.

Question 32

Which of the following branches of the maxillary nerve courses through the incisive foramen?

A) Lesser palatine nerve
B) Nasopalatine nerve
C) Zygomatic nerve
D) Posterior superior alveolar nerve
E) Greater palatine nerve

Question 33

The maxillary incisors, canines, and surrounding gingivae are innervated by the

A) incisive nerve.
B) posterior superior alveolar nerve.
C) zygomatic nerve.
D) middle superior alveolar nerve.
E) anterior superior alveolar nerve.

Question 34

Which of the following statements regarding the posterior superior alveolar nerve is incorrect when the middle superior alveolar nerve is present?

A) It enters the maxilla via the posterior superior alveolar foramen.
B) It innervates all maxillary molar teeth.
C) It innervates the mucosa of the maxillary sinuses.
D) It supplies the mesiobuccal root of the first molar.
E) It contributes to the formation of the superior dental plexus.

Question 35

Which of the following branches of the anterior division of the mandibular nerve is sensory?

A) Long buccal nerve
B) Incisive nerve
C) Auriculotemporal nerve
D) Lingual nerve
E) Mental nerve

Question 36

Postganglionic parasympathetic fibers that stimulate parotid gland secretion arise from the

A) ciliary ganglion.
B) pterygopalatine ganglion.
C) geniculate ganglion.
D) otic ganglion.
E) submandibular ganglion.

Question 37

Preganglionic parasympathetic fibers that supply the sublingual gland synapse in which of the following ganglia?

A) Ciliary
B) Pterygopalatine
C) Geniculate
D) Otic
E) Submandibular

Question 38

Which of the following nerves would provide afferent innervation to the paranasal sinuses? (Select all that apply.)

A) Infratrochlear nerve
B) Anterior ethmoidal nerves
C) Posterior ethmoidal nerves
D) Nasociliary nerve
E) Frontal nerve

Question 39

Which of the following ganglia are associated with the mandibular division of the trigeminal nerve? (Select all that apply.)

A) Ciliary
B) Pterygopalatine
C) Geniculate
D) Otic
E) Submandibular

Question 40

The major nerve branches of the ophthalmic nerve include which of the following nerves? (Select all that apply.)

A) Frontal nerve
B) Zygomatic nerve
C) Lacrimal nerve
D) Nasociliary nerve
E) Infraorbital nerve

Question 41

Which of the following are terminal branches of the frontal nerve? (Select all that apply.)

A) Supraorbital nerve
B) Infraorbital nerve
C) Supratrochlear nerve
D) Infratrochlear nerve
E) Anterior ethmoidal nerve

Question 42

Terminal branches of the nasociliary branch of the ophthalmic nerve include which of the following nerves? (Select all that apply.)

A) Supratrochlear nerve
B) Infratrochlear nerve
C) Anterior ethmoidal nerves
D) Posterior ethmoidal nerves
E) Supraorbital nerve

Question 43

Which of the following nerves form the superior dental plexus? (Select all that apply.)

A) Anterior superior alveolar nerve
B) Middle superior alveolar nerve
C) Inferior alveolar nerve
D) Incisive nerve
E) Posterior superior alveolar nerve

Question 44

Branches of the infraorbital nerve include which of the following nerves? (Select all that apply.)

A) Inferior alveolar nerve
B) Posterior superior alveolar nerve
C) Middle superior alveolar nerve
D) Anterior superior alveolar nerve
E) Zygomatic nerve

Question 45

Which of the following nerves branch from the inferior alveolar nerve? (Select all that apply.)

A) Mylohyoid nerve
B) Incisive nerve
C) Mental nerve
D) Auriculotemporal nerve
E) Long buccal nerve

Question 46

Which of the following nerve fiber types are found in the lingual nerve? (Select all that apply.)

A) Motor
B) General sensation
C) Special sensation
D) Preganglionic parasympathetic
E) Postganglionic sympathetic

Question 47

Match the nerve to the structures they innervate. An answer can be used more than once.

-Skin of the chin

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves

Question 48

Match the nerve to the structures they innervate. An answer can be used more than once.

-Mandibular molars

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves

Question 49

Match the nerve to the structures they innervate. An answer can be used more than once.

-Conjunctiva of the eyelid

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves

Question 50

Match the nerve to the structures they innervate. An answer can be used more than once.

-Nasal septum

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves

Question 51

Match the nerve to the structures they innervate. An answer can be used more than once.

-Buccal mucosa

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves

Question 52

Match the nerve to the structures they innervate. An answer can be used more than once.

-Palate

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves

Question 53

Match the nerve to the structures they innervate. An answer can be used more than once.

-Skin of side of the nose

A) Ophthalmic nerves
B) Maxillary nerves
C) Mandibular nerves