#1
Which of the following bones forms the temporomandibular joint?
Mandible
ExplanationMandible forms the temporomandibular joint.
#2
Which muscle is responsible for the elevation of the mandible?
Temporalis
ExplanationTemporalis muscle is responsible for the elevation of the mandible.
#3
What type of joint is the temporomandibular joint?
Ellipsoidal joint
ExplanationThe temporomandibular joint is an ellipsoidal joint.
#4
What is the main function of the temporomandibular joint?
To connect the mandible to the skull
ExplanationThe main function of the temporomandibular joint is to connect the mandible to the skull.
#5
What is the name of the condition characterized by misalignment of the teeth when the jaws are closed?
Malocclusion
ExplanationMalocclusion is characterized by misalignment of teeth when jaws are closed.
#6
Which ligament prevents excessive retraction of the mandible?
Sphenomandibular ligament
ExplanationSphenomandibular ligament prevents excessive retraction of the mandible.
#7
Which of the following movements is primarily responsible for grinding food?
Lateral excursion
ExplanationLateral excursion is primarily responsible for grinding food.
#8
Which anatomical structure divides the temporomandibular joint into two compartments?
Articular disc
ExplanationArticular disc divides the temporomandibular joint into two compartments.
#9
Which nerve innervates the muscles responsible for the movement of the temporomandibular joint?
Trigeminal nerve (CN V)
ExplanationTrigeminal nerve (CN V) innervates muscles responsible for temporomandibular joint movement.
#10
Which condition involves involuntary grinding or clenching of the teeth, often during sleep?
Bruxism
ExplanationBruxism involves involuntary grinding or clenching of teeth, often during sleep.
#11
Which condition is characterized by a clicking or popping sound in the temporomandibular joint during movement?
Temporomandibular joint disorder (TMJD)
ExplanationTMJD is characterized by clicking or popping sound in the temporomandibular joint during movement.
#12
What is the name of the small fluid-filled sac that helps reduce friction in the temporomandibular joint?
Bursa
ExplanationBursa is the small fluid-filled sac that reduces friction in the temporomandibular joint.
#13
Which of the following structures is NOT part of the temporomandibular joint?
Coronoid process
ExplanationCoronoid process is NOT part of the temporomandibular joint.
#14
Which of the following nerves innervates the temporomandibular joint and provides sensory information?
Trigeminal nerve (CN V)
ExplanationTrigeminal nerve (CN V) innervates the temporomandibular joint and provides sensory information.
#15
What is the name of the cartilaginous structure located between the mandibular condyle and the temporal bone?
Articular disc
ExplanationThe cartilaginous structure between the mandibular condyle and temporal bone is called the articular disc.