What is the primary function of the articular disc in the temporomandibular joint (TMJ)?

Week 12 - Day 1

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Susan Lee
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To provide blood supply to the joint
To increase friction between the mandibular condyle and the articular eminence
To facilitate both rotational and translational movements within the joint
To aid in the production of synovial fluid within the joint
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the temporomandibular joint (TMJ), which anatomical structure forms the inclined, bony surface that the mandibular condyle glides against during jaw movements?
Articular disc
Temporal bone
Styloid process
Articular eminence of the mandible
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During mandibular protrusion movements in the temporomandibular joint (TMJ), what type of arthrokinematic motion primarily occurs?
Medial rotation of the mandibular condyle
Lateral rotation of the mandibular condyle
Anterior (forward) translation of the mandibular condyle
Posterior (backward) translation of the mandibular condyle
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the process of mouth opening within the TMJ oint (TMJ), which sequential kinematic pattern best describes the initial movement followed by a secondary movement of the articular disc?
Translation, then rotation
Rotation, then translation
Lateral deviation, then elevation
Protrusion ,then retraction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the process of closing the mouth within the TMJ joint, which sequential kinematic pattern best describes the initial movement followed by a secondary movement of the articular disc?
Rotation, then translation
Translation, then rotation
Elevation, then lateral deviation
Protrusion, then retraction
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which ligament(s) help(s) suspend the mandible from the cranium? Select all that apply
Fibrous capsule
Lateral (temporomandibular) ligament
Stylomandibular ligament
Shenomandibular ligament
7.
HOTSPOT QUESTION
30 sec • 1 pt
During lateral excursion to the LEFT, on which side does condylar glide predominantly occur in the temporomandibular joint (TMJ)?
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