781. Which of the following is false about sublingual glands:
A. The excretory duct opens at the sublingual caruncle.
B. It is a predominantly mucous gland.
C. They have poorly developed striated ducts.
D. They have a long branching intercalated duct structure.
782.Which of the following is true concerning the maxillary sinus?
A. It begins to develop at age 6 months .
B. Its growth is by pneumotization.
C. It is lined by pseudostratified squamous epithelium.
D. Its opening is in the oral cavity.
783. Maxillary sinus open in the:
A.Medial nasal conche.
B. Superior nasal meatus.
C. Inferior nasal meatus.
D. Medial nasal meatus.
784. The TMJ does not contain:
A. Articular disc.
B. Capsular ligament.
C. Synovial membrane.
D. Blood vessels in its covering fibrous connective tissue.
785. Which is true of the T.M.J?
A. An epithelium lines the synovial membrane.
B. It has a highly vascular articulator disc.
C. The articular surfaces are covered by a dense fibrous C.T.
D. The articular disc is attached to the roof of the glenoid fossa.
786. The head of the mandibular condyle:
A. Articulates with the roof of the glenoid fossa.
B. Develops from the secondary cartilage.
C. Lacks hyaline cartilage.
D.Consists of spongy bone only.
787. Which of the following statement about TMJ is true:
A. TMJ is a bilateral synovial articulation between the mandible and the cranium.
B. TMJ is a unilateral synovial articulation between the mandible and the cranium.
C. TMJ is a unilateral synovial articulation between the maxilla and the cranium.
D. TMJ is a bilateral synovial articulation between the maxilla and the cranium.
788. TMJ development starts at:
A. 3 MIU.
B. 4 MIU.
C. 5 MIU.
D. 6 MIU.
789. TMJ Condyle is:
A.Strongly convex in the antroposterior direction & slightly convex mediolaterally.
B. Strongly convex in the mediolateral direction & slightly convex antroposteriorly.
D.Concave in the antroposterior direction & convex in the mediolateral direction.
790. The secondary cartilage present in the head of the TMJ condyle remains active till:
A. The end of the 3rd decade.
B. The beginning of the fourth decade.
C. The end of the second decade.
D. The beginning of the second decade.
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