O&A Head

Question 1

What does the lateral ligament of the mandible restrict?

Answer 1

Lateral and posterior motion

Question 2

What results with protrusion of the mandible?

Answer 2

Superior translation of Condyles

Question 3

What occurs in depression or opening of the mouth?

Answer 3

Rolling of inferior articular cavity

Translation of superior articular cavity

Question 4

What occurs in lateral deviation of the mandible?

Answer 4

Anterior translation of contralateral side

Slight posterior translation of ipsilateral side

Question 5

What is the primary movement of the inferior joint cavity of the TMJ joint?

Answer 5

Rotation

Question 6

What is the primary movement of the superior joint cavity of the TMJ joint?

Answer 6

Translation

Question 7

What forms the inferior surface of the inferior joint cavity of the TMJ joint?

Answer 7

Condyle

Question 8

Where are the anterior fontanelle present in infancy?

Answer 8

Between halves of frontal bone and the right and left parietal bones

Question 9

Neurocranium

Answer 9

Bony case of the brain and its membranous coverings, the cranial meninges (contains nerves and vasculature of the brain)

Question 10

What makes up the cranium?

Answer 10

Calvaria (skull cap)

Cranial base (floor)

Question 11

Viscerocranium

Answer 11

Comprises the facial bones and forms anterior part of cranium

Question 12

What make up the facial aspects of the head?

Answer 12

Orbital cavities

Nasal cavities

Zygomatic arch

Question 13

Orbital cavities

Answer 13

Consists of the nasal cavities and paranasal sinuses

Question 14

Nasal cavities

Answer 14

Hollow spaces in the skull around the nose

Question 15

Zygomatic arch

Answer 15

Formed by the Union of temporal process of zygomatic bone and zygomatic process of the temporal bone

Question 16

What makes up the lateral aspects of the head?

Answer 16

Temporal fossa

Superior and inferior temporal lines

Zygomatic arch

Infratemporal fossa

Temporomandibular joint

External acoustic meatus

Question 17

Temporal fossa

Answer 17

Bounded superiorly and posteriorly by the superior and inferior temporal lines

Anteriorly by the frontal and zygomatic bones

Inferiorly by the zygomatic arch

Question 18

Superior and inferior temporal lines

Answer 18

Bound the temporal fossa

Question 19

Temporomandibular joint

Answer 19

Joint connecting jaw to skull

Question 20

External acoustic meatus

Answer 20

Eardrum

Question 21

What makes up the occipital aspects of the head?

Answer 21

Parietal eminence

Sagittal suture

Lamboid suture

Occipitomastoid suture

Parietomastoid suture

Question 22

What makes up the superior aspect of the head?

Answer 22

Coronal suture

Bregma

Sagittal suture

Vertex

Lambda

Lamboid suture

Question 23

What are external on the cranial base?

Answer 23

Foramen magnum

Carotid canal

Question 24

Foramen magnum

Answer 24

Opening in base of skull where spinal cord and brain connect

Question 25

Carotid canal

Answer 25

Passageway in temporal bone where carotid artery goes through

Question 26

What makes up the internal of the cranial base?

Answer 26

Anterior cranial fossa Middle cranial fossa Posterior cranial fossa Cerebellar fossa Foramen magnum

Question 27

What do the anterior, middle, and posterior cranial fossa’s form?

Answer 27

Bowl shaped floor of cranial cavity

Question 28

What type of joint is the cranial sutures?

Answer 28

Fibrous

Question 29

What type of joint is the TMJ joint?

Answer 29

Synovial hinge

Question 30

What are articular surfaces of TMJ joints?

Answer 30

Mandibular fossa Articular tubercle of temporal bone and head of mandible

Question 31

What type of capsule does the TMJ have?

Answer 31

Fibrous

Question 32

What are ligaments associated with the TMJ joint?

Answer 32

Lateral ligament Stylomandibular ligament Sphenomandibular ligament