Articular disc of TMJ is__________?

Related Mcqs:

1. Position and movement of articular disc of TMJ is controlled by fibers of_____________?

   A. Lower head of lateral pterygoid muscle
   B. Sphenomandibular ligament
   C. Superficial head of medial pterygoid muscle
   D. Upper head of lateral pterygoid muscle

2. Articular disc of tmj receives insertion from which muscle______________?

   A. Medial pterygoid
   B. Lateral pterygoid
   C. Massetor
   D. Temporalis

3. Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?

   A. Lateral pterygoid
   B. Medial pterygoid
   C. Temporalies- anterior fibers
   D. Temporalis – posterior fibers

4. Which of the portions of the intra articular disc is the thinnest ?

   A. Anterior
   B. Intermediate
   C. Posterior
   D. retrodiscal

5. The granulomatous tissue that is responsible for destruction of articular surfaces of TMJ in rheumatoid arthritis is known as________________?

   A. Pannus
   B. Pulse granuloma
   C. Baker’s cyst
   D. Immune granuloma

6. Articular disc of TMJ_______________?

   A. Fibro cartilaginous
   B. Bony
   C. Hyaline
   D. Elastic

7. Among the muscles of TMJ the following muscle opposing stabilizing and antagonistic muscle force as far as the disc is concerned_____________?

   A. Medial pterygoid
   B. Temporalis
   C. Lateral pterygoid
   D. External pterygoid

8. Centre of the disc in TMJ is_____________?

   A. Avascular
   B. Devoid of nervous tissue
   C. Avascular & deviod of nervous tissue
   D. None of the above

9. The articular cartilage is characterized by all of the following features except_____________?

   A. It is devoid of perichondrium
   B. It has a rich nerve supply
   C. It is avascular
   D. It lacks the capacity to regenerate

10. Basically TMJ is a_____________?

    A. Ball and socket joint
    B. Hinge and axis joint
    C. Synovial joint
    D. Diartmodal joint