Nasal Cavity and Pterygopalatine Fossa

Question 1

Maxillary teeth and _________ share SA sensory innervation.

Answer 1

maxillary sinus

Question 2

Proximity of _________ and _________ sinuses to optic nerve can put pressure on the nerve during sinusitis and cause optic neuritis (loss of vision)

Answer 2

ethmoid, sphenoid

Question 3

Inability to look up after a traumatic injury to the face is due to ____________

Answer 3

entrapped inferior rectus muscle

Question 4

The pterygopalatine fossa is a gap between the _________ and the _________.

Answer 4

viscerocranium, neurocranium

Question 5

The pterygopalatine fossa has 3 bordering structures:

Answer 5

Maxillary sinus, palatine bone, pterygoid process of sphenoid

Question 6

The _________ opens posteriorly to the pterygopalatine fossa and conducts the _________

Answer 6

foramen rotundum, maxillary nerve (V1)

Question 7

Posteriorly to the pterygopalatine fossa is the ___________ which conducts the _______________ (nerve)

Answer 7

pterygoid canal, nerve of pterygoid canal (Vidian nerve)

Question 8

The 4 exits from the pterygopalatine fossa are the:

Answer 8

sphenopalatine foramen, inferior orbital fissure, greater and lesser palatine foramina, pharyngeal canal (to nasopharynx)

Question 9

The 3 branches of maxillary nerve (CN V2) are: These are all somatic afferent

Answer 9

Nasopalatine nerve (nasal septum & anterior hartd palate) Posterior lateral nasal branches (to lateral nasal wall) Greater and lesser Palatine nerves (hard and soft palate)

Question 10

The sensory branch of the opthalmic (V1) nerve is:

Answer 10

anterior ethmoidal nerve branches (orbit and anterosuperior nasal cavity)

Question 11

The 4 SA sensory branches of the maxillary nerve to the nasal cavity are:

Answer 11

nasopalatine nerve, posterior lateral nasal branches, infraorbital nerve, pharyngeal nerve

Question 12

The nasopalatine nerve is a branch of _____ and is SA to __________

Answer 12

CN V2, nasal septum

Question 13

The posterior lateral nasal branches are branches of _______ and are SA innervation to _______

Answer 13

CN V2, lateral nasal wall

Question 14

The infraorbital nerve is a branch of _____ and supplies SA to ______

Answer 14

CN V2, vestibule of nasal cavity

Question 15

The pharyngeal nerve is a branch of ______ and provides SA to _______

Answer 15

CN V2, nasopharynx

Question 16

The _______ ganglion is also referred to as the “hay fever” ganglion

Answer 16

pterygopalatine ganglion

Question 17

The VE parasympathetic fibers that are preganglionic begin in the __________, continue in _______ (nerve), continue as the ________ nerve which runs right by the geniculate ganglion, join with _________ nerve and becomes the __________ (nerve). The postganglionic fibers hitchhike on the ______ nerve.

Answer 17

brainstem (between midbrain and pons), facial nerve, greater petrosal nerve, deep petrosal nerve, nerve of the pterygoid canal, CN V2

Question 18

3977 COPS

Answer 18

3 —> ciliary ganglion 9 —> otic ganglion 7 —> pterygopalatine 7 —> submandibular

Question 19

Postganglionic parasympathetic VE fibers from the __________ ganglion innervate the lacrimal gland, oral mucosa, and nasal mucosa

Answer 19

pterygopalatine ganglion

Question 20

indirect Postganglionic Pterygopalatine branches travel in the _________ nerve, continue in the __________ nerve branch, then the __________ branch, and finally in the _________

Answer 20

Maxillary nerve (V2), zygomatic branch, communicating branch, lacrimal nerve (part of V1)

Question 21

The lacrimal nerve is a branch of _____

Answer 21

CN V1

Question 22

Postganglionic sympathetic fibers of the nasal cavity, palate, and nasopharynx begin in the _________ ganglion, course through the _________ , become the _________ nerve, join with the ________ nerve to become the nerve of the pterygoid canal, and then pass through the _______ ganglion without synapsing. Their purpose is primarily __________

Answer 22

superior cervical ganglion, periarterial plexus of the carotid artery, deep petrosal nerve, greater petrosal nerve, pterygopalatine ganglion, vasoconstriction

Question 23

The ________ nerve exits the foramen lacerum on its way to help form the vidian nerve (nerve of the pterygoid canal)

Answer 23

deep petrosal nerve

Question 24

Fibers of the olfactory nerve (CN I) have their cell bodies in the __________ and fibers in the _________ (lateral wall and septum)

Answer 24

olfactory epithelium, olfactory mucosa

Question 25

The artery to the facial-maxillary region is the ________ artery which travels through the ________ and then branches into _________ to maxillary teeth

Answer 25

infraorbital artery, infraorbital canal/fissure, superior alveolar arteries

Question 26

The artery to the nasal cavity is a branch of the _________ artery and is called the _________.

Answer 26

maxillary artery, sphenopalatine artery

Question 27

The sphenopalatine artery branches into the septal branch which supplies the ___________, and ________ via the _______, and has anastamoses with the ________. The ________ branches supply the lateral wall of the nasal cavity.

Answer 27

septum, anterior hard palate, incisive canal, greater palatine artery, posterolateral branches

Question 28

The _________ branches of the sphenopalatine artery supply the lateral nasal cavity wall

Answer 28

posterolateral branches

Question 29

The __________ artery branches into the greater palatine artery which supplies the hard palate via the ________ foramen, and the lesser palatine artery that supplies the soft palate via the _______ foramen

Answer 29

descending palatine artery, greater palatine foramen, lesser palatine foramen

Question 30

The orange diamond is the ______
The yellow dot is the ______
The purple triangle is the ______
The blue dot is the ______

The green arrow is the _______ supplying the soft palate
The white arrow is the ______ supplying the hard palate

Answer 30

Maxillary artery, Descending palatine artery, sphenopalatine artery, infraorbital artery, lesser palatine artery, greater palatine artery

Question 31

Orange diamond is _______
Purple arrow pointing to the ______
Green dot is the ______ and supplies the ______, ______ (via incisive canal), and has anastamoses with the _____
Blue squares are the ________ branches supplying the lateral nasal wall

Answer 31

Maxillary artery, sphenopalatine artery, septal branch, septum, hard palate, greater palatine artery, posterolateral branches

Question 32

Opthalmic artery is a branch of _____ artery and gives off septal and lateral branches of _________ arteries.
The __________ artery is a branch of ______ artery and also gives off septal and lateral branches

Answer 32

internal carotid artery, anterior & posterior ethmoidal arteries, superior labial branch of facial artery, external carotid artery

Question 33

veinous drainage of the pterygopalatine fossa is via the ________ and _______ draining into the _______ vein

Answer 33

pterygopalatine plexus, retromandibular veins, maxillary veins

Question 34

Kiesselbach’s plexus (area of 90% of epistaxis) is formed by these 4 arteries:

Answer 34

Greater palatine artery, anterior ethmoidal artery, sphenopalatine artery, superior labial artery

Question 35

Kiesselbach’s Plexus (area of 90% of epistaxis) is formed by 4 arteries which are branches of these 3 arteries:

Answer 35

Maxillary artery, opthalmic artery, facial artery

Question 36

Veins in nasal cavity play a major role in ________

Answer 36

thermoregulatory system of the body

Question 37

The veins of the nasal cavity:
The ______ vein drains to the cavernous sinus, the _____ vein drains to the facial vein, and the _______ vein drains to the maxillary vein.

Answer 37

inferior opthalmic vein, superior labial vein, sphenopalatine vein

Question 38

Lymphatic drainage of nasal cavity:
vestibule drains to the ______ nodes, the rest of the cavity drains to the _______, especially _________ node.

Answer 38

submandibular nodes, deep superior cervical nodes, jugulodigastric node

Question 39

This is a scan of a fracture of the ______ causing leakage of ______, which can lead to ______.

Answer 39

cribiform plate, CSF, meningitis