Temperomandibular Joint

Question 1

Both bones of the TMJ are separated by ?

Answer 1

Meniscus disc

Question 2

What articulates with what to form the joint?

Answer 2

The conduloid process of the mandible and mandibular fossa of temporal bone

Question 3

What surrounds the articulation surfaces and blends with articulated disc?

Answer 3

Fibrous capsule

Question 4

The tmj is lined by what ?

Answer 4

The synovial membrane

Question 5

What are the three ligaments strengthening the tmj

Answer 5

Tempormandibular
Sphenomandibular
Stylomandibular

Question 6

What ligament separates the submandibular gland from the parotid gland?

Answer 6

The Sphenomandibular ligament

Question 7

The TMJ is bounded anteriorly by ?

Answer 7

The anterior joint eminence

Question 8

The TMJ is bounddd posteriorly by?

Answer 8

The external auditory meatus

Question 9

The TMJ is bounded laterally by

Answer 9

The zygomatic arch (parotid gland, fascia and skin)

Question 10

The TMJ is bounded medically by the ?

Answer 10

Styloid process

Question 11

Function of the temporalis muscle

Answer 11

Closes the jaw while the posterior retracts the jaw

Question 12

Function of the masseter?

Answer 12

Closes the jaw

Question 13

Muscles of mastication are innervated by?

Answer 13

Mandibular division of trigeminal nerves

Question 14

Muscles involved in protraction in the TMJ

Answer 14

Lateral and medial Pterygoid, superior fibers of the masseter

Question 15

Muscles involved in retraction in the TMJ ?

Question 16

Muscles involved in retraction in the TMJ

Answer 16

Temporalis
Deep fibers of masseter
Digastric and geniohyoid

Question 17

Protraction and retraction occurs in what compartment of the tmj?

Answer 17

Superior compartment of the tmj

Question 18

The meniscus disc is held in place by ?

Answer 18

Medial and lateral capsular ligaments

Question 19

Crepitus of the TMJ is as a result of ?

Answer 19

A tear in the articular disc

Question 20

Where is the infratemporal space located?

Answer 20

It is an irregular space located behind the maxilla

Question 21

Structures in the infratemporal fossa

Answer 21

Muscles, vessels,nerves .

Question 22

The infratemporal space connects with the middle cranial fossa through ?

Answer 22

Foramen ovale and spinosum

Question 23

The infratemporal fossa is bounded superiorly by?

Answer 23

Greater wing of the sphenoid

Question 24

The lateral Pterygoid plate bounds the infratemporal fossa laterally .

Answer 24

Wrong , medically

Question 25

The ITF is bounded posteriorly by ?

Answer 25

Mastoid and styloid processes of temporal bone and tympanic plate

Question 26

The PP fossa communicates anteriosuperiorly with ?

Answer 26

Superior orbital fissure

Question 27

The PP fossa communicates posterosuperiorly to ?

Answer 27

Middle cran fossa through foramen rotundum

Question 28

Contents of the infratemporal fossa?

Answer 28

Otic ganglion
Medial and lateral Pterygoids
Pterygoid plexus ,maxillary veins

Question 29

Contents of the PP fossa ?

Answer 29

Maxillary nerve
Maxillary artery
Greater palatine nerve
Pterygopalatine region

Question 30

Boney landmarks for post triangle of the neck ?

Question 31

Bony landmarks for post triangle of the neck

Answer 31

Foramen magnum
Jugular foramen
Carotid canal
First rib