The maxillary sinus______________?
A. Opens in to the inferior meatus of noseB. 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…
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…
The articular cartilage is characterized by all of the following features except_____________?
A. It is devoid of perichondriumB. It has a rich nerve supply
C. It is avascular
D. It lacks the capacity to regenerate…
Which of the following enzymes are involved in bone formation________________?
A. Alkaline phosphatase and urease
B. Catalase and phosphorylaseC. Alkaline phosphatase and phosphorylase
D. Acid phosphatase and catalase…