AMJ And Maxillary Sinus

A. 6 weeks
B. 18 weeks
C. 10 weeks
D. 16 weeks

A. Endochondral ossification only
B. Membranous ossification only
C. Both of the above
D. None of the above

A. All fatty marrow
B. All red marrow
C. All fibrous marrow
D. A combination of fatty and fibrous marrow

A. Osteoblastic activity
B. Osteoclastic activity
C. Myeloid activity
D. Healing activity

A. Medial surface of the mandible
B. Naso palatine foramen
C. Mental foramen
D. Foramen caecum

A. Opens in to the inferior meatus of nose
B. Has the 1st molar projecting into its floor
C. Is fully developed by the age of 8 years
D. Has good drainage in upright position

A. Simple columnar
B. Pseudo stratified columnar and cilliated
C. Stratified squamous
D. Simple squamous

A. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B. Protects the brain against exposure to cold air by arresting air in sinus temporarily
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above

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

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