skull

Question 1

bones of neurocranium

Answer 1

• frontal
• ethmoid
• sphenoid
• occipital
• temporal
• parietal

Question 2

bones of viscerocranium (face)

Answer 2

• mandible
• vomer
• maxilla
• zygomatic
• palatine
• nasal
• lacrimal

Question 3

lambda

Answer 3

• lambdoid and sagittal

Question 4

bregma

Answer 4

• coronal and sagittal

Question 5

pterion

Answer 5

• sphenoid, parietal, frontal and temporal

Question 6

nasion

Answer 6

• frontonasal and internasal

Question 7

asterion

Answer 7

• parietomastoid, occipitomastoid and lambdoid

Question 8

parotid gland: location

Answer 8

• anterior to auricle

Question 9

parotid duct: route

Answer 9

• travels across surface of masseter m
• travels through ducal fat and buccinator m
• enters the oral cavity near upper 2nd molar

Question 10

TMJ blood supply

Answer 10

• deep auricular a

Question 11

TMJ type of joint

Answer 11

• modified hinge synovial joint with articular disc

Question 12

Parts of TMJ

Answer 12

• superior articular cavity

- inferior articular cavity

Question 13

superior articular cavity of TMJ (articulation and movement)

Answer 13

• mandibular fossa and articular tubercle of temporal bone
• articular disc
• gliding/ protrusion/ retrusion

Question 14

inferior articular cavity of TMJ (articulation and movement)

Answer 14

• articular disc
• head of condyloid process of mandible
• hinge movements: elevation/depression
• rotational movements: lateral deviation

Question 15

movements of TMJ

Answer 15

• mouth closed: head of condyloid process located inferior to the mandibular fossa
• to open mouth widely: head of condyloid process moves anteriorly and is then located inferior to the articular tubercle
• if the head of the condyloid process moves anterior to the articular tubercle, can’t close mouth