Neuro 2: Pharynx, Nose And Palate

Front 1

Vagus nerve is motor supply to all of the muscles of the _____ except ____

Back 1

pharynx except stylopharyngeus (Glossopharyngeal)

Front 2

What supplies MOST motor innervation to the muscles of the pharynx (What is the exception?)

Back 2

Vagus, exception is stylopharyngeus which is supplied by CN 9 (Glosso)

Front 3

What nerve is sensory to the pharyngeal wall?

Back 3

Glossopharyngeal

Front 4

What supplies motor innervation to stylopharyngeus?

Back 4

Glossopharyngeal

Front 5

What nerve is sensory to muscles of the larynx?

Back 5

Vagus

Front 6

From what nerves is the pharyngeal plexus fomed?

Back 6

CN 9 and 10

Front 7

What nerve is sensory to much of the pharynx?

Back 7

9 (Glossopharyngeal)

Front 8

Which nerve is afferent to the gag relfex?

Back 8

9

Front 9

Which nerve is efferent to the gag reflex?

Back 9

10

Front 10

What is the motor innervation to all constrictor muscles of the pharynx?

Back 10

Vagus

Front 11

What muscles propel the blous of food down into the esophagus?

Back 11

Pharyngeal constrictor muscles (Sup, middle and inferior)

Front 12

Also known as the lowest fibers of the inferior constrictor muscle

Back 12

Cricopharyngeus muscle

Front 13

What prevents air from entering the stomach or regurgitation (except when vomiting)

Back 13

Cricopharyngeus muscle

Front 14

What innervates the cricopharyngeus muscle?

Back 14

Vagus of pharyngeal plexus

Front 15

All 3 constrictor muscles insert posteriorly into a fibrous median....

Back 15

raphe

Front 16

What muscle passes between the superior and middle constrictors?

Back 16

Stylopharyngeus

Front 17

What innervates the piriform rescess/fossa?

Back 17

internal branch of the superior laryngeal nerve of the vagus

Front 18

What area is extremely sensitive to a foreign body?

Back 18

Piriform fossa/recess

Front 19

Sensory fibers of the what trigger the cough reflex in the piriform fossa?

Back 19

Vagus

Front 20

Besides the piriform fossa, the rest of the mucous membrane of the laryngopharynx has sensory fibers that travel in what?

Back 20

CN 9 (Glossopharyngeal)

Front 21

What directs food down the laryngopharynx into the esophagus rather than the larynx when swallowing?

Back 21

Epiglottis

Front 22

Which of the following nerves supplies the laryngeal mucosa in the area above the vocal cords?

Back 22

Internal branch of the superior laryngeal

Front 23

What is found in the roof of the nasopharynx?

Back 23

Pharyngeal recess

Front 24

What is in the pharyngeal recess?

Back 24

Pharyngeal tonsil or adenoids and lymphoid tissue continues to auditory opening

Front 25

What connects the middle ear with the nasopharynx?

Back 25

Auditory tube

Front 26

Mucosal fold the overlies the salphingopharyngeus muscle and the cartilagionus portion of the auditory tube?

Back 26

Salpingopharyngeal fold

Front 27

What becomes closed off with elevation of the soft palate?

Back 27

Nasopharynx

Front 28

What supplies the salpingopharyngeal muscle?

Back 28

Vagus

Front 29

What nerve supplies the levator veli palatini?

Back 29

Vagus

Front 30

What is the function of the levator veli palatini?

Back 30

Raises the soft palate in swallowing

Front 31

What innervates the tensor veli palatini?

Back 31

Trigeminal

Front 32

What is the function of the tensor veli palatini?

Back 32

Opens auditory tube during swallowing by tensing the soft palate

Front 33

What lies between the palatoglossal arch and palatopharyngeal arch?

Back 33

Palatine tonsils

Front 34

What arch of the oropharynx is more anterior?

Back 34

Palatoglossal

Front 35

Sensory fibers to the oropharynx that innervate the gag reflex

Back 35

Glossopharyngeal

Front 36

What is the motor innervation to palatoglossus and palatopharyngeus?

Back 36

Vagus

Front 37

What forms the anterior part of the nasal septum?

Back 37

Septal cartilage

Front 38

What forms the posterior part of the nasal septum?

Back 38

Ethmoid and Vomer

Front 39

What serves as a passageway for the sphenopalantine artery (a terminal branch of the maxillary)?

Back 39

Sphenopalatine foramen

Front 40

What type of epithelial cells are located in the maxillary sinus?

Back 40

Ciliated epithelial

Front 41

The ostium of the maxillary sinus opens into the:

Back 41

middle meatus

Front 42

Where do the ethmoidal, frontal and maxillary sinuses drain?

Back 42

middle meatus

Front 43

Fracture to what bone could cause a leak of CSF from the nose?

Back 43

Ethmoid

Front 44

The opening from the nasal cavity into the nasopharynx.

Back 44

Choanae

Front 45

What increase the total respirartory surface of the nose?

Back 45

conchae

Front 46

Passageways lateral and inferior to the conchae

Back 46

nasal meatuses

Front 47

Where does the nasolacrimal duct open into?

Back 47

inferior meatus

Front 48

Where does the sphenoid sinus drain?

Back 48

Sphenoethmoidal recess

Front 49

Where do you find the ethmoidal bulla?

Back 49

beneath the middle conchae

Front 50

What connects the frontal sinus with the nasal cavity?

Back 50

Semilunar hiatus

Front 51

Where do the anterior ethmoidal sinuses open into?

Back 51

Infundibulum (Frontonasal duct)

Front 52

What does the semilunar hiatus receive?

Back 52

Opening of the maxillary sinus

Front 53

What does the nasolacrimal duct drain into?

Back 53

Inferior meatus (below inferior choncae)

Front 54

The lateral-dorsal and lateral nasal wall mucosa receives innervation from what?

Back 54

CN I (Olfactory)and CN V1 (Opthalamic) and V2 (Maxillary)

Front 55

What nerve supplies sensory innervation to the bridge of the nose?

Back 55

Ophthalmic division of the trigeminal nerve (V1)

Front 56

What two arteries does the maxillary terminate into?

Back 56

terminates by dividing into the sphenopalatine artery and the descending palatine artery.

Front 57

The pterygopalatine ganglion is found where?

Back 57

in the medial portion of the pterygomaxillary fissure.

Front 58

What are the descending branches of the pteryopalatine ganglion?

Back 58

Greater and Lesser palatine nerves

Front 59

Where does the pterygopalatine ganglion receives pre-ganglionic neurons from? (pre-ganglionic parasympathetic fibers and post-ganglionic sympathetic fibers).

Back 59

CN VII via the greater petrosal nerve and the nerve of the pterygoid canal

Front 60

Ganglionic branches of the ptergopalatine ganglion connect it to which nerve?

Back 60

V2 (Maxillary) of Trigeminal

Front 61

All muscles to the soft palate are innevated by what? EXCEPT the what?

Back 61

Vagus, except the tensor veli palatini which is innervated by the trigeminal nerve (CNV)

Front 62

What kind of nerves are found in the pyteygoid canal?

Back 62

Post-ganglionic sympathetic neurons and pre-ganglionic parasympathetic neurons.

Front 63

Parasympathetic neurons innervating the nasal mucosal glands have their cell bodies in the:

Back 63

pterygopalatine ganglion

Front 64

Parasympathetic neurons innervating the secretory cells of the lacrimal gland have their cell bodies in the:

Back 64

pterygopalatine ganglion.

Front 65

What is the sensory nerve to the hard palate?

Back 65

Greater Palatine (Of V2)

Front 66

What is the sensory nerve of the soft palate and tonsillar region?

Back 66

Lesser palatine (Of V2)

Front 67

What is the nasopalatine nerve a branch of?

Back 67

Maxillary V2

Front 68

V2 branches of the pterygopalatine ganglion are what kind of fibers?

Back 68

General sensory

Front 69

Where do the special sensory (taste) fibers of the pterygopalatine ganglion come from?

Back 69

Facial (CN 7)

Front 70

the post-ganglionic parasympathetic neurons leave the pterygopalatine ganglion and accompany what?

Back 70

the sensory branches of CN V2.

Front 71

What 2 nerves make up the nerve of pterygoid canal?

Back 71

Greater and Deep petrosal

Front 72

What nerve carries preganglionic parasympathetic nerves from CN 7 to the nerve of pteryoid canal?

Back 72

Greater Petrosal

Front 73

What nerve carries postganglionic sympatetic nerves from the greater cervical ganglion

Back 73

Deep petrosal

Front 74

What nerve passes through the incisive foramen?

Back 74

Nasopalatine nerve

Front 75

What artery supplies much of the nasal mucosa

Back 75

The sphenopalatine artery

Front 76

What arteries supply the hard and soft palate?

Back 76

The descending palatine artery via the greater and lesser palatine arteries

Front 77

What artery supplies the hard palate?

Back 77

Greater palatine artery

Front 78

What arteries supply the soft palate?

Back 78

lesser palatine and ascending palatine branch of the facial artery

Front 79

Sensory neurons to the roof of the hard and soft palate have their cell bodies in the:

Back 79

Trigeminal ganglion

Front 80

Palatine arteries are branches of what?

Back 80

Maxillary

Front 81

From what arch is the glossopharyngeal nerve derived?

Back 81

3rd

Front 82

Where do the SVE of CN 9 have their cell bodies?

Back 82

Nucleus ambiguous

Front 83

What SVA funciton does the glossopharyngeal nerve have?

Back 83

Taste to posterior 1/3 of tongue

Front 84

What nerve is afferent to the pharynx?

Back 84

9

Front 85

CN 9 is efferent to what?

Back 85

Stylopharyngeal

Front 86

What nerve is afferent to carotid sinus and body?

Back 86

9

Front 87

What nerve is sensory to palatine tonsils?

Back 87

9

Front 88

What nerve is afferent to posterior 1/3 of tongue (GAG)?

Back 88

9

Front 89

From what arches is the vagus nerve derived?

Back 89

4 and 6

Front 90

Where does the vagus nerve motor component have its cell bodies?

Back 90

Nucleus ambiguous

Front 91

What nerve is sensory to the larynx above the VC?

Back 91

Superior laryngeal of Vagus

Front 92

What nerve is sensory to larynx below the VC?

Back 92

Recurrent/Inferior laryngeal

Front 93

Where are the post-ganglionic cell bodies of parasympathetic neurons that innervate the secretory cells of the maxillary sinus located?

Back 93

Pterygopalatine ganglion

Front 94

Where are the post-ganglionic cell bodies of parasympathetic neurons that innervate the submandibular, sublingual and mucosal glands of the oral cavity located?

Back 94

Submandibular ganglion

Front 95

What fascia is the pharyngeal plexus of nerves and vessels located in?

Back 95

Buccopharyngeal fascia

Front 96

What innervates the salpingopharyngeus?

Back 96

Vagus

Front 97

What arteries supply the pharynx?

Back 97

Maxillary, facial and lingual (all of external carotid)