#1
Which of the following bones articulates with the mandibular condyle to form the temporomandibular joint?
Temporal bone
ExplanationTemporal bone forms the temporomandibular joint.
#2
What type of joint is the temporomandibular joint?
Gliding joint
ExplanationThe temporomandibular joint is a gliding joint.
#3
Which cranial nerve innervates the muscles responsible for mastication?
Trigeminal nerve (V)
ExplanationTrigeminal nerve (V) innervates masticatory muscles.
#4
Which of the following conditions involves involuntary grinding or clenching of the teeth, potentially leading to temporomandibular joint dysfunction?
Bruxism
ExplanationBruxism involves involuntary teeth grinding, potentially leading to TMD.
#5
What is the term for the small, synovial fluid-filled sacs that reduce friction between tendons and bones near joints?
Bursae
ExplanationBursae are synovial fluid-filled sacs reducing friction near joints.
#6
What is the primary function of the temporomandibular joint?
Facilitating chewing
ExplanationThe primary function of the temporomandibular joint is to facilitate chewing.
#7
Which ligament connects the lateral pole of the mandibular condyle to the articular tubercle of the temporal bone?
Temporomandibular ligament
ExplanationTemporomandibular ligament connects mandibular condyle to temporal bone.
#8
What muscle is primarily responsible for the elevation of the mandible during chewing?
Masseter
ExplanationMasseter is the primary muscle for mandible elevation during chewing.
#9
Which of the following muscles aids in protruding the mandible forward?
Lateral pterygoid
ExplanationLateral pterygoid aids in protruding the mandible forward.
#10
What is the function of the articular disc in the temporomandibular joint?
All of the above
ExplanationArticular disc functions include shock absorption, joint stabilization, and providing a smooth surface.
#11
What is the term for the movement of the mandible away from the midline?
Lateral excursion
ExplanationLateral excursion refers to mandible movement away from the midline.
#12
Which ligament limits excessive posterior movement of the mandible in the temporomandibular joint?
Sphenomandibular ligament
ExplanationSphenomandibular ligament limits excessive posterior movement of the mandible.
#13
Which of the following conditions involves a clicking or popping sound in the temporomandibular joint during movement?
Temporomandibular joint disorder (TMD)
ExplanationTMD involves clicking or popping sounds during joint movement.