tmj anatomy mcq Flashcards

1
Q

Which of the following ligaments associated with the temporomandibular joint reinforces the joint capsule?

A

temporomandibular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Which of the following ligaments associated with the temporomandibular joint reinforces the joint capsule?

A

temporomandibular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following landmarks associated with the temporomandibular joint is located on the mandible?

A

condyle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following is an overall description of the basic movement performed by the TMJ?

A

gliding and rotational

(rotation and translation)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the following muscles is involved in the lateral deviation of the mandible?

A

lateral pterygoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Protrusion of the mandible is an action that primarily involved?

A

bringing the lower jaw forward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following movement of the lower jaw is assisted by the temporalis muscle?

A

mandibular elevation and retraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which of the following ligaments associated with the TMJ has the inferior alveolar nerve descend nearby to gain access to the mandibular foramen?

A

sphenomandibular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following statements about the Temporomandibular disc is INCORRECT?

A

disc is attached anteriorly and posteriorly to the condyle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which area of the mandible articulates with the temporal bone at the TMJ?

A

condyle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

During both mandibular protrusion and retraction, the rotation of the articulating surface of the mandible against the disc in the lower synovial cavity is prevented by the?

A

Muscles of mastication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which structure of the TMJ secretes synovial fluid?

A

inner capsule lining membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which list is in order, from the MOST anterior structure to the MOST posterior structure within the TMJ?

A

Articular eminence, articular fossa, postglenoid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

At what position does a displaced disc of the TMJ usually lie?

A

anterior to it’s usual position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the joint capsule of the TMJ wraps around which structure?

A

mandibular condyle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

which of the following situations occurs when there is subluxation of the TMJ?

A

head of condyle moves too far anteriorly on the articular eminence

16
Q

which of the following landmarks is located on the temporal bone?

A

articular fossa

17
Q

which of the following provides branches for the MOST direct blood supply to the TMJ?

A

external carotid artery

18
Q

which of the following is located posterior to the articular fossa in the region of the TMJ?

A

postglenoid process

19
Q

which of the following nerves innervates the TMJ?

A

trigeminal nerve

20
Q

Which of the following situations can possibly happen to the temporomandibular disc as a person ages?

A

perforation of structure