Neuro Clhn Lect #8

Front 1

The oral cavity becomes continous with the oropharynx at the (palatopharyngeal arch, palatoglossal arch, both, neither)?

Back 1

Palatoglossal Arch (it extends here from the lips/cheeks)

Front 2

Space in oral cavity external to the teeth?

Back 2

Vestibule

Front 3

Space in oral cavity internal to the teeth?

Back 3

Oral cavity proper

Front 4

Where does the vestibule communicate with the oral cavity proper when the teeth are occluded (closed)?

Back 4

posterior to the last molar

Front 5

Opposite which teeth do the parotid ducts open into the vestibule?

Back 5

upper second molar

Front 6

What are the folds of mucous membrane in the midline from the upper and lower lips to the gums called?

Back 6

Frenula of the lips

Front 7

What are the four boundaries of the oral cavity proper?

Back 7

Teeth and gums; hard/soft palates; tongue (anterior 2/3); palatoglossal arches

Front 8

how many teeth are there?

Back 8

32

Front 9

What two bones is the hard palate composed of?

Back 9

Maxilla (palatine process) and the Palatine (horizontal plate)

Front 10

This is the median anterior opening just behind the central incisors which is traversed by the nasopalatine nerves?

Back 10

Incisive canal

Front 11

This mucosa covers the nasopalatine nerves as they emerge from the incisive canal?

Back 11

Incisive papilla

Front 12

Where are the greater/lesser palatine foramina located (anterolateral, posteromedial, posterolateral, anteromedial) border of the hard palate?

Back 12

Posterolateral (transmit the greater/lesser palatine nerves and vessels)

Front 13

What are the Pillars of the Fauces?

Back 13

Two folds of mucous (palatoglossal, palatopharyngeal) that extend from the lateral margins of the soft palate (Fauces = throat)

Front 14

This is the anterior pillar of fauces and forms the posterior border of the oral cavity?

Back 14

Palatoglossal Fold

Front 15

This is the posterior pillar of fauces and is located in the oropharynx?

Back 15

palatopharyngeal

Front 16

This tonsil is located in between the palatoglossal and palatopharyngeal folds; it also is the structure that forms the anterior border of the oropharynx?

Back 16

Palatine tonsil

Front 17

The uvula is part of the (hard palate, soft palate, tongue, vestibule)?

Back 17

Soft palate

Front 18

What is the function of the soft palate?

Back 18

close off the naso-oral communication during swallowing, sucking, and phonation

Front 19

What innervates the tensor veli palatine?

Back 19

CN V (mandibular)

Front 20

What innervates all the muscles of the soft palate except the tensor veli palatini?

Back 20

CN X (pharyngeal plexus)

Front 21

This muscle tenses the soft palate, and is also responsible for moving the palate posteriorly to contact the pharyngeal wall along with the levator veli palatini?

Back 21

Tensor veli palatini

Front 22

This muscle elevates the pharynx (brings it closer to the palate…hint) and larynx, and tenses the soft palate?

Back 22

palatopharyngeus

Front 23

This soft palate muscle elevates the posterior part of the tongue and draws the soft palate to the tongue?

Back 23

Palatoglossus muscle

Front 24

This soft palate muscle shortnes the UVULA

Back 24

Musculus uvulae

Front 25

The 5 soft palate muscles are?

Back 25

Tensor veli palatini, levator veli palatini, palatopharyngeus, palatoglossus, musculus uvulae

Front 26

The muscles of the soft palate are innervated by (CN X, CN V, Both, Neither)?

Back 26

CN V (mandibular innervates the tensor veli palatini)

Front 27

The tongue is situated in the (mouth, oropharynx, both, neither)

Back 27

Neither…..j/k its both :)

Front 28

By what structure is the tongue connected to the pharynx with?

Back 28

Superior constrictor muscle

Front 29

What are the two parts of the tongue?

Back 29

Oral (anterior 2/3) and Body (posterior 1/3)

Front 30

What is the V shaped groove that separates the oral and pharyngeal parts of the tongue?

Back 30

Sulcus terminalis

Front 31

Where are the circumvallate papillae located (what do they do?)

Back 31

just anterior to the sulcus terminalis, taste buds

Front 32

This is located at the apex of the sulcus terminalis and is the embryonic remnant of the thyroglossal duct?

Back 32

Foramen Cecum

Front 33

Which part of the tongue develops embryonically from the rostral end of the foregut?

Back 33

Pharyngeal

Front 34

Lingual tonsils can be found in which part of the tongue (pharyngeal, oral, both, neither)

Back 34

pharyngeal (covered with mucosa)

Front 35

Ankyloglossia or tongue-tied is a condition in children involving which of these structures (terminal sulcus, frenulum of the tongue, median sulcus, Foramen Cecum)

Back 35

Frenulum (when the frenulum extends almost all the way up to the tongue and interferes with protrusion of the tongue)

Front 36

Quick absorbtion of drugs is accomplished through this vein, located on either side of the frenulum?

Back 36

What is the deep lingual vein (that is correct….you have the board)

Front 37

Muscles of this structure are formed from occipital somites….when they migrate they drag CN 12 with them

Back 37

What is the tongue

Front 38

The intrinsic muscles of the tongue are responsible for this ?

Back 38

Changing the shape of the tongue

Front 39

The extrinsic muscles of the tongue do this (alter position, alter shape, both , neither)

Back 39

Both

Front 40

What are the four pairs of extrinsic muscles?

Back 40

styloglossus, hyoglossus, genioglossus, palatoglossus

Front 41

All the extrinsic muscles of the tongue are innervated by CN12, except for this guy…if he was a man he would be an ARCHer

Back 41

What is the palatoglossus muscle

Front 42

This muscle depresses AND protrudes the tongue?

Back 42

Genioglossus (Get Peak Systolic Heart Rate = Genioglossus protrudes Styloglossus Hyoglossus retracts)

Front 43

This muscle retracts the tongue and draws up the sides

Back 43

Styloglossus

Front 44

These muscles are involved with retracting the tongue (hyoglossus, styloglossus, both, neither)?

Back 44

Both

Front 45

These muscles are involved in depressing the tongue (genioglossus, hyoglossus, both, neither)

Back 45

Both

Front 46

These muscles are involved in protruding the tongue (hyoglossus, palatoglossus, both, neither)

Back 46

Neither (its genioglossus)

Front 47

What are the 4 sensory innervations of the tongue?

Back 47

CN 5, 7, 9, 10

Front 48

This nerve controls general sensation in the anterior 2/3 of the tongue (Lingual N CN5; Glossopharyngeal CN 9; both, neither)

Back 48

Lingual CN 5

Front 49

Glossopharyngeal nerve controls what in the posterior 1/3 of the tongue (general sensation, taste, both, neither)

Back 49

Both

Front 50

Chorda Tympani (CN 7) does what in the tongue (General sensation anterior, Taste posterior, Taste anterior, general sensation epiglottic region)

Back 50

Taste anterior 2/3

Front 51

This nerve innervates BOTH taste and general sensation on the epiglottic region of the tongue?

Back 51

CN X (superior laryngeal / internal branch)

Front 52

This artery courses deep to the hyoglossus muscle and supplies blood to the tongue?

Back 52

Lingual artery (ECA)

Front 53

These veins (deep or dorsal) accompany the hypoglossal nerve and drain into the facial or the internal jugular?

Back 53

Deep veins

Front 54

Where does the lympahtics of the tongue drain?

Back 54

cervical lymph nodes

Front 55

This papilla has an opening for the submandibular duct and is located on either side of the frenulum

Back 55

Sublingual Carnuncle

Front 56

This fold of tissue extends laterally and posteriorly from the sublingual carnuncle and contains many openings for the ducts of the sublingual gland

Back 56

Sublingual fold (Plica Sublingualis)

Front 57

What are the three major pairs of glands that secrete into the mouth?

Back 57

Parotid, submandibular, sublingual

Front 58

This is the smallest and most seeply situated gland in the mouth, it opens along many small openings of the sublingual fold?

Back 58

Sublingual glands

Front 59

This nerve is a "taxi" for both sensory and parasympathetic secretomotor fibers with the Chorda Tympani (CN 7)?

Back 59

Lingual CN 5 …mandibular

Front 60

The lingual nerve courses superior to CN 12 on the surface of this muscle ?

Back 60

Hyoglossus

Front 61

What is the relationship between the lingual nerve and the submandibular duct?

Back 61

begins lateral > runs inferior > ascends into the tongue medially

Front 62

This nerve branches from the inferior alveolar nerve (a posterior division of V3) and innervates the anterior digastric and mylohyoid?

Back 62

Nerve to the mylohyoid

Front 63

A patient is asked to protrude his tongue. He does so but the tongue deviates to the right. As a clinician you suspect injury to which nerve?

Back 63

the RIGHT hypoglossal nerve

Front 64

The lateral surface of the tonsillar bed is in close association to what 5 structures?

Back 64

Facial artery, facial vein, ICA, superior constrictor, glossopharyngeal (Fred Flinstone is sometimes grumpy)

Front 65

immediately following a tonsillectomy, a patient complains of loss of taste. Which nerve may be impinged die to edema?

Back 65

CN 9

Front 66

This artery, a branch of the facial, is the chief blod supply to the tonsil?

Back 66

Tonsillar Artery

Front 67

The nerves to the tonsils are derived from the tonsillar plexus fromed by (CN 9, CN 10, both, neither)?

Back 67

Both