Oral Histology MCQs

Page No. 36

Which of the following enzymes are involved in bone formation________________?


aAlkaline phosphatase and urease


bCatalase and phosphorylase


cAlkaline phosphatase and phosphorylase


dAcid phosphatase and catalase



Fibres which continue from bone to ligament are_____________?


aSharpey’s fibres


bTome’s fibres


cRay’s fibres


dAll of the above


View Answer Sharpey’s fibres

The muscle which is commonly involved in myofacial pain dysfunction syndrome______________?


aLateral ptergoid


bMassetor


cTemporalis


dMedial pterygoid


View Answer Lateral ptergoid

The articular cartilage is characterized by all of the following features except_____________?


aIt is devoid of perichondrium


bIt has a rich nerve supply


cIt is avascular


dIt lacks the capacity to regenerate



Functional importance of maxillary sinus is______________?


aLightening of skull weight and production of bactericidal lysozyme to the nasal cavity


bProtects 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


dAll of the above


View Answer All of the above

The type of epithelium lining maxillary sinus is_______________?


aSimple columnar


bPseudo stratified columnar and cilliated


cStratified squamous


dSimple squamous



The maxillary sinus______________?


aOpens in to the inferior meatus of nose


bHas the 1st molar projecting into its floor


cIs fully developed by the age of 8 years


dHas good drainage in upright position



Organ of chievity is seen near the______________?


aMedial surface of the mandible


bNaso palatine foramen


c Mental foramen


dForamen caecum



Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?


aOsteoblastic activity


bOsteoclastic activity


c Myeloid activity


dHealing activity


View Answer Osteoclastic activity

The marrow found in the mandible is____________?


aAll fatty marrow


b All red marrow


cAll fibrous marrow


dA combination of fatty and fibrous marrow



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