The components of future TMJ shows development at_____________?
The components of future TMJ shows development at_____________?
A. 6 weeks
B. 18 weeks
C. 10 weeks
D. 16 weeks
Bone
-
-
Mandible develops by______________?
Mandible develops by______________?A. Endochondral ossification only
B. Membranous ossification only
C. Both of the above
D. None of the above -
The marrow found in the mandible is____________?
The marrow found in the mandible is____________?A. All fatty marrow
B. All red marrow
C. All fibrous marrow
D. A combination of fatty and fibrous marrow -
Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?
Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?A. Osteoblastic activity
B. Osteoclastic activity
C. Myeloid activity
D. Healing activity -
Organ of chievity is seen near the______________?
Organ of chievity is seen near the______________?A. Medial surface of the mandible
B. Naso palatine foramen
C. Mental foramen
D. Foramen caecum -
The maxillary sinus______________?
The maxillary sinus______________?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 -
The type of epithelium lining maxillary sinus is_______________?
The type of epithelium lining maxillary sinus is_______________?A. Simple columnar
B. Pseudo stratified columnar and cilliated
C. Stratified squamous
D. Simple squamous -
Functional importance of maxillary sinus is______________?
Functional importance of maxillary sinus is______________?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 -
The articular cartilage is characterized by all of the following features except_____________?
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 -
The muscle which is commonly involved in myofacial pain dysfunction syndrome______________?
The muscle which is commonly involved in myofacial pain dysfunction syndrome______________?A. Lateral ptergoid
B. Massetor
C. Temporalis
D. Medial pterygoid