Midterm

Question 0

Specialized mucosa

Answer 0

Covers the area that has specific function of taste on the dorsum of the tongue

Question 1

Masticatory mucosa

Answer 1

Covers areas subject to stress such as gingival tissue and the hard palate

Question 2

Lining mucosa

Answer 2

Covers all other areas of the oral cavity, inner surface of lips and cheeks and floor and roof of the mouth

Question 3

Incisive papilla

Answer 3

Covers the incisive foramen

Question 4

Palatine rugae

Answer 4

Paired raised folds on the hard palate

Question 5

Palatine raphe

Answer 5

Junction of soft tissue extending vertically along entire midline

Question 6

Lobes

Answer 6

Center of development that forms a tooth. 3 lobes form a labial surface of the crown and fourth shapes a cingulum

Question 7

Mamelons

Answer 7

Scalloped border along incisal edge- remnants of lobe formation

Question 8

Cingulum

Answer 8

Convex (rounded) elevation on cervical third of lingual surface

Question 9

Nasion

Answer 9

Depressed portion between the eyes

Question 10

Columella nasi

Answer 10

External tissue that separates nostrils

Question 11

Palatoglossal

Answer 11

Anterior tonsillar pillar

Question 12

Palatopharyngeal

Answer 12

Posterior tonsillar pilar

Question 13

Coronal suture

Answer 13

Frontal and parietal bones

Question 14

Sagittal suture

Answer 14

Parietal bones

Question 15

Lambdoidal suture

Answer 15

Occipital and parietal bones

Question 16

Squamosal suture

Answer 16

Temporal and parietal bones

Question 17

Temporozygomatic suture

Answer 17

Temporal and zygoma bones

Question 18

Median palatine suture

Answer 18

Palatine process of the maxilla

Question 19

Transverse palatine suture

Answer 19

Palatine process of maxilla and horizontal palatine bones

Question 20

Frontal sinus drains

Answer 20

Into the middle nasal meatus

Question 21

Sphenoid sinus drains

Answer 21

Drains via the ostia in the superior nasal meatus

Question 22

Ethmoid sinuses drains

Answer 22

Anterior and middle- middle nasal meatus

Posterior- via the Ostia in the superior nasal meatus

Question 23

Maxillary sinus drains

Answer 23

Via the Ostia in the middle nasal

Meatus

Question 24

Parotid secretions

Answer 24

Pure serous 25-30%

Question 25

Submandibular secretions

Answer 25

Mixed secretions Serous 80% Mucous 20% 60-65% salivary volume

Question 26

Sublingual secretions

Answer 26

Mixed-mostly mucous | 5-10% salivary volume

Question 27

Which lymph nodes drain the tonsils?

Answer 27

Jugulodigastric

Question 28

Origin

Answer 28

End of a muscle attached to the least movable structure

Question 29

Insertion

Answer 29

The end of a muscle attached to a more movable structure

Question 30

Fascia

Answer 30

Layers of connective tissue that surrounds the muscles

Question 31

Epicranious Occipitofrontalis

Answer 31

Surprise expression- raising the eyebrows

Question 32

Orbicularis oculi

Answer 32

Palpebral-gently closes lid Orbital-forcefully close the lid (Surrounds eye)

Question 33

Corrugator supercilli

Answer 33

Controls the eyebrows

Question 34

Orbicularis oris

Answer 34

Closes and purses the lips (surrounds the lips)

Question 35

Buccinator

Answer 35

Compresses cheek, pushes food during chewing (located deep to masater runs lateral)

Question 36

Risorius

Answer 36

Retracts angle of mouth in a wide smile (extends laterally from lip commissures)

Question 37

Levator labii superioris

Answer 37

Elevates upper lip (extends vertically from Orbicularis oculi)

Question 38

Levator labii superioris alaque nasi

Answer 38

Elevates upper lip and flares nose | Runs along side of nose

Question 39

Zygomaticus major

Answer 39

Elevates angle of upper lip: smile | Goes from tragus to lip commissure

Question 40

Zygomaticus minor

Answer 40

Raises upper lip | Ala to tragus

Question 41

Levator anguli oris

Answer 41

Elevates angle of mouth: smile | Between Zygomaticus major and minor

Question 42

Depressor anguli oris

Answer 42

Depresses angle of mouth: frowning | Commissure to Mentalis muscle

Question 43

Depressor labii inferioris

Answer 43

Exposes lower incisors (opposite direction of anguli oris muscle)

Question 44

Mentalis

Answer 44

Raises skin of chin, pouts lower lip

Question 45

Platysma

Answer 45

Raises skin of neck, grimaces | Runs along neck

Question 46

Temporalis action

Answer 46

Elevates mandible, closes and clenches teeth, retracts mandible

Question 47

Temporalis origin

Answer 47

Temporal fossa, frontal and parietal bone

Question 48

Temporalis insertion

Answer 48

Coronoid process and anterior border of ramus

Question 49

Masseter action

Answer 49

Elevates mandible, closes and clenches

Question 50

Masseter origin

Answer 50

Superficial head: anterior 2/3rds inferior border of zygomatic arch Deep head: posterior 1/3 of inferior border and medial surface of zygomatic arch

Question 51

Masseter insertion

Answer 51

Lateral surface of angle of the mandible; lateral surface of the ramus and Coronoid p above angle of mandible

Question 52

Medial pterygoid action

Answer 52

Elevates mandible, closes mouth

Question 53

Medial pterygoid origin

Answer 53

Superficial head- maxillary tuberosity | Deep head-medial surface lateral pterygoid plate and edge of palatine bone

Question 54

Medial pterygoid insertion

Answer 54

Medial surface of ramus and angle of the mandible

Question 55

Lateral pterygoid action

Answer 55

Contraction of both muscles: protrusion and slight depression Contraction of one muscle: lateral shift of the mandible

Question 56

Lateral pterygoid origin

Answer 56

Superior head- infra temporal surface of greater wing of sphenoid Inferior head- lateral surface of lateral pterygoid plate

Question 57

Lateral pterygoid insertion

Answer 57

Articular disc of TMJ; pterygoid fovea