Temporomandibular Joint Quiz

What does TMJ stand for?

• Mandibular Temporal Joint

• Temporal Joint Mandible

• Temporal Mandibular Joint

• Temporomandibular Joint

What type of joint is the TMJ?

• Pivot

• Ball and socket

• Saddle

• Hinge and gliding

What is the main load-bearing area of the TMJ?

• Anterior aspect

• Lateral aspect

• Posterior aspect

• Medial aspect

What type of tissue is the articular surface of the squamous portion made of?

• Hyaline cartilage

• Fibrous connective tissue

• Elastic cartilage

• Bone

What is the function of the articular disc?

• To connect muscles

• To store fat

• To reduce friction

• To provide blood supply

What is the shape of the mandibular condyle?

• Ovoid

• Square

• Triangular

• Circular

What is the anterior boundary of the glenoid fossa?

• Tympanic plate

• Articular tubercle

• Articular disc

• Postglenoid tubercle

What does the bilaminar zone contain?

• Only collagen

• Only nerves

• Elastic fibers

• Only blood vessels

What is the role of the lateral collateral ligament?

• Prevents anterior movement

• Supports the jaw

• Limits mouth opening

• Prevents posterior displacement

What is the main function of synovial fluid?

• To store energy

• To connect bones

• To lubricate joints

• To provide nutrients