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.Management Sciences
Category: Oral Histology
The duct(s) of gland(s) opening into the floor of the mouth is (are)_______________?
A. Submandibular and sublingual
B. submandibular and parotid
C. Sublingual and parotid
D. Von Ebner
The microhardness of dentin is about____________?
A. 1/2 that of enamel
B. 1/7 that of enamel
C. 1/4 that of enamel
D. 1/5 that of enamel
Basement membrane________________?
A. Contains lamina lucida & Lamina dura
B. Consists luratihyaline granules
C. consists of lamina densa and lamina lucida
D. consists of desmosomes and hemi desmosomes
Role of meckel’s cartilage in development of mandible__________________?
A. It has a major role
B. It has a minor role
C. It does not have any role
D. None of the above
Mature bone is otherwise called as______________?
A. woven bone
B. Irregular bone
C. Lamellar bone
D. Resorbing bone
Of the total amount of saliva secreted by all the salivary glands, about 60% is secreted by the_____________?
A. Parotid glands
B. Sublingual glands
C. Submandibular glands
D. None of the above
A supernumerary tooth results from a deviation during_____________?
A. Initiation
B. Differentiation
C. Apposition
D. Calcification
Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?
A. Due to deposition of cementum and bone
B. Down growths of gingival epithelium
C. Gingival cysts formed from cell rests
D. Reversal of function of horizontal and oblique fibres
The cell free zone in pulp lies____________?
A. Above odontoblast
B. Below odontoblast
C. In radicular pulp
D. In pulp horn
True about osteoclasts_____________?
A. Monocytes are precursor cells of osteoclasts
B. The plasma membrane of osteoclasts adjacent to bone that is being resorbed is known as striated or ruffled border
C. Contain lysosomes with acid phosphates
D. All of the above are true
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