Oral Cavity

Question 1

Anterior boundary of the oral cavity

Answer 1

Lips

Question 2

Posterior boundary of the oral cavity

Answer 2

Ororpharynx

Question 3

Superior border of the oral cavity

Answer 3

Palate

Question 4

Inferior boundary of the oral cavity

Answer 4

Front of Mouth

Question 5

Function of ridges on palate

Answer 5

Aids in mastication

Question 6

Where is the palatine ralphe

Answer 6

The midline fusion of bone on palate

Question 7

Function of palatoglossal arch

Answer 7

Palatoglossal attaches laterally the palate to the tongue

Question 8

Function of the palatopharyngeal arch

Answer 8

Palatopharyngeal connects the palate to the pharynx

Question 9

The function of the tensor veli palatini?

Answer 9

Tenses the palate, innervated by the trigemenimal nerve (CN5)

Question 10

Function of levator veli palatini muscle and innervation?

Answer 10

Lifts the palate innervated by the pharyngeal branch of the vagus nerve

Question 11

Where is the origin and insertion of the levator veli palatini muscle

Answer 11

Origin temporal bone and inserts into the palatine aponeurosis

Question 12

Function of the palatoglossus muscle

Answer 12

Connects palate to the tongue, blocks off oropharynx, draws the soft palate inferiorly

Question 13

What nerve innervates almost all muscles of the tongue

Answer 13

Hypoglossal nerve

Question 14

What nerve innervates the palatoglossus

Answer 14

The pharyngeal branch of the vagus nerve

Question 15

Three muscles that make up the floor of the mouth

Answer 15

Geniohyoid, Mylohyoid, and Diagastric (Anterior and Posterior belly)

Question 16

Innervation of the geniohyoid muscle

Answer 16

Hypoglossal Nerve CN12

Question 17

Innervation of the Mylohyoid muscle

Answer 17

Trigeminal Nerve CNV

Question 18

Innervation of the Diagastric muscles, posterior belly and anterior belly

Answer 18

Posterior belly - CN7
Anterior Belly - CN5

Question 19

Insertion of the Geniohyoid muscle

Answer 19

Inferior genial tubercles, inside of the mandible superior

Question 20

Insertion of mylohyoid

Answer 20

Mandible

Question 21

Origin of mylohyoid

Answer 21

Mandible,

Question 22

Origin of posterior belly diagastric muscle

Answer 22

Mastoid notch of temporal bone

Question 23

Origin of anterior belly diagastric muscle

Answer 23

Diagastric fossa of the lower border of the mandible

Question 24

Insertion of three muscles that make up the floor of the mouth (Geniohyoid, Mylohyoid, Diagastric)

Answer 24

Hyoid bone

Question 25

Function of geniohyoid muscle

Answer 25

Contributes to jaw opening if hyoid bone fixed

Question 26

Function of mylohyoid muscle

Answer 26

Elevates FOM and hyoid bone

Question 27

Function of diagastric muscles

Answer 27

Stabilises mandible and aids in elevating hyoid bone

Question 28

Origin of the styloglossus

Answer 28

Styloid process of the temporal bone

Question 29

Insertion of the styloglossus

Answer 29

Inserts in to the tongue

Question 30

Function of the styloglossus

Answer 30

Retrudes/retracts the tongue and elevates its lateral aspects (pulls the tongue back)

Question 31

Origin of the palatoglossus

Answer 31

Lower side of the soft palate (?)

Question 32

What does the palatoglossus run within

Answer 32

Palatoglossal fold

Question 33

Insertion of the palatoglossus muscle

Answer 33

Inserts into the sides and dorsum of the tongue posteriorly

Question 34

The function of the hyoglossus

Answer 34

Depresses and retracts the tongue

Question 35

The function of the palatoglossus

Answer 35

Retracts the tongue

Question 36

Name the muscle in the tongue: runs from the epiglottic region forwards to the tip of the tongue, with bundles fanning out on either side to the mucosa of the upper lateral surfaces

Answer 36

The superior longitudinal muscle

Question 37

Name the muscle in the tongue: Runs from epiglottic region forwards to tip of tongue under the surface of the tongue

Answer 37

Inferior longitudinal muscle

Question 38

Name the muscle in the tongue: Originates from the midline septum and runs lateraly and upwards to the mucosa at the sides and dorsum of the tongue

Answer 38

Transverse muscle

Question 39

Name the muscle in the tongue: Originates from the mucosa on the dorsum and runs downwards and laterally to the sides of the tongue

Answer 39

The vertical muscle

Question 40

What is the mucous membrane

Answer 40

The surface on the tongue which has the papillae, is derived from the floor of the primitive pharynx, is supplied from 3 different cranial nerves

Question 41

Muscles involved in the elevation of the hyoid (Suprahyoid)

Answer 41

Diagastric, stylohyoid, mylohyoid

Question 42

Muscles involved in the depression of the hyoid

Answer 42

Sternohyoid, Sternothyroid, omohyoid and thyrohyoid

Question 43

What is the word for gums

Answer 43

Gingivae

Question 44

Is the palatoglossal or palatopharyngeal arch more anterior

Answer 44

Palatoglossal

Question 45

What are the inferior and superior labial frenulum

Answer 45

Little line thing under the lip in middle of the mouth

Question 46

What is the internal surface of the lips

Answer 46

Mucous membrane

Question 47

What is the line down the middle of the tongue called

Answer 47

Medial Suclus of the tongue

Question 48

What is the terminal suclus

Answer 48

Separation between anterior and posterior section of the tongue, at the posterior section

Question 49

What is the terminal suclus

Answer 49

Separation between the anterior and posterior sections of the tongue, at the posterior section

Question 50

What is the layman term for papillae

Answer 50

tastebuds

Question 51

Function of longitudinalis inferior

Answer 51

Pulls tongue down

Question 52

What do all extrinisic muscles of the tongue end in

Answer 52

Glossus

Question 53

Function of the genioglossus

Answer 53

Depresses the tongue and thrusts it out

Question 54

Function of the styloglossus

Answer 54

Raises and withdraws the tongue

Question 55

Function of the palatoglossus

Answer 55

Raises tongue back

Question 56

Function of the hyoglossus

Answer 56

Lowers the tongue's sides