Ch. 5 - Text Review Questions Flashcards
Which of the following ligaments associated with the temporomandibular joint reinforces the joint capsule?
a) Styloid
b) Stylomandibular
c) Temporomandibular
d) Sphenomandibular
C) TEMPOROMANDIBULAR
Which of the following landmarks associated with the temporomandibular joint is located on the mandible?
a) Articular eminence
b) Condyle
c) Articular fossa
d) Postglenoid fossa
B) CONDYLE
Which of the following is an overall description of the basic movement performed by the temporomandibular joint?
a) Gliding movement only
b) Rotational movement only
c) Gliding & rotational movement
d) No movement is performed
C) GLIDING & ROTATIONAL MOVEMENT
Which of the following muscles is involved in the lateral deviation of the mandible?
a) Masseter muscle
b) Medial pterygoid muscle
c) Lateral pterygoid muscle
d) Temporalis muscle
e) Digastric muscle
C) LATERAL PTERYGOID MUSCLE
Protrusion of the mandible is an action that primarily involves:
a) opening the jaws.
b) closing the jaws.
c) bringing the lower jaw forward.
d) bringing the lower jaw backward.
e) shifting the lower jaw to one side.
C) BRINGING THE LOWER JAW FORWARD.
Which of the following movements of the lower jaw is assisted by the temporalis muscle?
a) Mandibular depression only
b) Mandibular elevation only
c) Mandibular retraction only
d) Mandibular depression & elevation
e) Mandibular elevation & retraction
E) MANDIBULAR ELEVATION & RETRACTION
Which of the following ligaments associated with the temporomandibular joint has the inferior alveolar nerve descend nearby to gain access to the mandibular foramen?
a) Sphenomandibular ligament only
b) Stylomandibular ligament only
c) Temporomandibular ligament only
d) Sphenomandibular & stylomandibular ligaments
e) Stylomandibular & temporomandibular ligaments
A) SPHENOMANDIBULAR LIGAMENT ONLY
Which of the following statements about the temporomandibular disc is INCORRECT?
a) Disc separates the TMJ into synovial cavities
b) Disc is attached anteriorly & posteriorly to the condyle
c) Gliding movements take place between the disc & the temporal bone
d) Inferior surface of the disc is concave
B) DISC IS ATTACHED ANTERIORLY & POSTERIORLY TO THE CONDYLE
Which area of the mandible articulates with the temporal bone at the temporomandibular joint?
a) Lingula
b) Mandibular notch
c) Coronoid process
d) Condyle
D) CONDYLE
Which structure of the temporomandibular joint secretes synovial fluid?
a) Mandibular condyle
b) Disc of the joint
c) Inner capsule lining membranes
d) Lateral pterygoid muscle
C) INNER CAPSULE LINING MEMBRANES
Which list is in order, from the MOST anterior structure to the MOST posterior structure within the temporomandibular joint?
a) Articular fossa, postglenoid process, articular eminence
b) Condyle, coronoid process, mandibular notch
c) Articular eminence, articular fossa, postglenoid process
d) Coronoid process, condyle, mandibular notch
C) ARTICULAR EMINENCE, ARTICULAR FOSSA, POSTGLENOID PROCESS
At what position does a displaced disc of the temporomandibular joint usually lie?
a) Anterior to its usual position
b) Posterior to its usual position
c) In the articular fossa
d) In the mandibular notch
A) ANTERIOR TO ITS USUAL POSITION
The joint capsule of the temporomandibular joint wraps around which structure?
a) Coronoid process
b) Mandibular notch
c) Mandibular condyle
d) Zygomatic arch
C) MANDIBULAR CONDYLE
Which of the following situations occurs when there is subluxation of the temporomandibular joint?
a) Head of the condyle moves too far anteriorly on the articular eminence.
b) Neck of condyle moves too far posteriorly on the articular eminence.
c) Coronoid process moves too anteriorly on the articular eminence.
d) Coronoid process moves too far posteriorly on the articular eminence.
A) HEAD OF THE CONDYLE MOVES TOO FAR ANTERIORLY ON THE ARTICULAR EMINENCE.
Which of the following landmarks is located on the temporal bone?
a) Condyle
b) Articular fossa
c) Coronoid notch
d) External oblique line
B) ARTICULAR FOSSA
