- (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
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- (A) Simple columnar
- (B) Pseudo stratified columnar and cilliated
- (C) Stratified squamous
- (D) Simple squamous
- (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) Medial surface of the mandible
- (B) Naso palatine foramen
- (C) Mental foramen
- (D) Foramen caecum
- (A) Osteoblastic activity
- (B) Osteoclastic activity
- (C) Myeloid activity
- (D) Healing activity
- (A) 1st molar
- (B) 2nd premolar
- (C) 1st premolar
- (D) 2nd molar
- (A) Cortical
- (B) Cancellous
- (C) Osteophytic
- (D) Exophytic
- (A) Stapes
- (B) Malleus and incus
- (C) Styloid process
- (D) Superior part of hyoid bone
- (A) Osteon
- (B) Osteoblast
- (C) Osteocyte
- (D) Osteoclast
- (A) Lamina lucida
- (B) Lamina densa
- (C) Lamina propria
- (D) Lamina dura
