Nasal Cavity, Oral Cavity, Palate

Question 0

What vessels pass through the sphenopalatine foramen to enter the nasal cavity?

Answer 0

Sphenopalatine artery & vein

Question 1

What branch of CN V passes through the sphenopalatine foramen to enter the nasal cavity?

Answer 1

V2 Maxillary

Question 2

What are the three reservoirs that drain the nasal cavity of blood?

Answer 2

superior sagittal sinus
Cavernous sinus
Pterygoid plexus (and dural sinuses)

Question 3

At the end of the hard palate are four foramina that transmit the right and left greater & lesser __________ arteries from the nasal cavity to the oral cavity.

Answer 3

Palatine

Question 4

GSA innervation of the nasal cavity is shared by two divisions of CN V. The __________ nerve (maxillary division of CN V) courses along the long axis of the vomer bone to reach the transverse incisive canal.

Answer 4

Nasopalatine

Question 5

The nasopalatine n. supplies the GSA innervation to the posterior aspect of the _________ __________ and lateral wall of the nasal cavity.

Answer 5

Nasal septum

Question 6

The ________ __________ nerve (ophthalmic division of CN V) innervates the anterior portion of the septum and lateral wall of the nasal cavity.

Answer 6

anterior ethmoidal

Question 7

The ________ __________ artery courses with the anterior ethmoidal nerve to supply the anterior portion of the nasal septum and lateral wall.

Answer 7

Anterior ethmoidal artery

Question 8

The ___________ artery (terminal branch of the maxillary artery) courses with the nasopalatine nerve and lateral nasal nerves to supply the posterior portion of the nasal septum and lateral wall.

Answer 8

Sphenopalatine artery

Question 9

The sphenopalatine artery anastomoses with the greater ________ artery anteriorly at the incisive canal.

Answer 9

Greater palatine artery

Question 10

Name the four paranasal air sinuses.

Answer 10

Frontal
Ethmoidal
Maxillary
Sphenoidal

Question 11

Tensor veli palatini m. is innervated by:

Answer 11

V3 branch to medial pterygoid

Question 12

What is the function of the tensor veli palatini?

Answer 12

Tense soft palate; open auditory tube

Question 13

Where does the tensor veli palatini insert?

Answer 13

Palatine aponeurosis

Question 14

What innervates the

Levator veli palatini

Answer 14

Vagus n. via pharyngeal plexus

Question 15

What is the function of the levator veli palatini?

Answer 15

Elevate soft palate

Question 16

Where does the levator veli palatini insert?

Answer 16

Palatine aponeurosis

Question 17

Palatopharyngeus m. is innervated by:

Answer 17

Vagus N. via pharyngeal plexus

Question 18

Palatopharyngeus m. inserts on the

Answer 18

Pharyngeal wall

Question 19

Palatopharyngeus m. originates from the:

Answer 19

Palatine aponeurosis

Question 20

What is the function of the palatopharyngeus m.?

Answer 20

Depress soft palate or elevate pharynx; narrow fauces

Question 21

What is the innervation of the palatoglossus m?

Answer 21

Vagus n. via pharyngeal plexus

Question 22

The palatoglossus m. inserts where?

Answer 22

Lateral tongue

Question 23

What is the function of the palatoglossus m.?

Answer 23

Depress soft palate or elevate rear of tongue; narrow fauces

Question 24

The musculus uvulae is innervated by:

Answer 24

Vagus n. via pharyngeal plexus

Question 25

The muscularis uvulae functions to:

Answer 25

Thicken the central soft palate and shorten the uvula

Question 26

The muscularis uvulae originates from the:

Answer 26

Central posterior hard palate (posterior nasal spine)

Question 27

Sensory innervation of the mucosa of the pharynx is GSA. List the nerves involved.

Answer 27

Maxillary (CN V2), Glossopharyngeal (CN IX), and Vagus (CN X)

Question 28

The sensory innervation of nasal and oral cavities is GSA and is mediated by branches of the _________ nerve.

Answer 28

Trigeminal (CN V) nerve

Question 29

What is the GSA innervation to the nasopharynx?

Answer 29

CN V2 | CN IX

Question 30

What is the GSA innervation to the oropharynx?

Answer 30

CN IX

Question 31

What is the GSA innervation to the laryngopharynx

Answer 31

CN X

Question 32

Whereas the extrinsic muscles of the tongue move the tongue as a whole, the intrinsic muscles of the tongue alter the _______ of the tongue.

Answer 32

Shape

Question 33

Somatic sensation and taste to the epiglottis is provided by cranial nerve:

Answer 33

CN X, Vagus

Question 34

Somatic sensation to the posterior 1/3 of the tongue and lateral wall of the pharynx and pharyngeal tonsils as well as taste to the posterior 1/3rd of the tongue is provided by cranial nerve:

Answer 34

CN IX, Glossopharyngeal

Question 35

Somatic sensation to the anterior 2/3 of the tongue is provided by:

Answer 35

Lingual nerve (branch from CN V3)

Question 36

Taste from the anterior 2/3 of the tongue is provided by:

Answer 36

CN VII, Facial

Question 37

The facial artery gives off this branch right before it crosses the mandible to ascend to the face.

Answer 37

Submental artery

Question 38

Which major artery of the face runs deep to the zygomaticus major m.?

Answer 38

Facial artery

Question 39

The occipital artery has a relationship with the __________ nerve.

Answer 39

Hypoglossal. CN XII

Question 40

The posterior auricular a. branches from the ECA immediately above the _________ _________ of the digastric muscle.

Answer 40

Posterior belly of digastric m.

Question 41

The posterior auricular a. supplies the following organs along its course:

Answer 41

Parotid gland, styloid and post. digastric mm., scalp above & behind ear

Question 42

The posterior auricular a. can be located in dissection running parallel to this muscle:

Answer 42

Stylohyoid m.