10251. The vermilion border requires frequent moistening because_____________?
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A. It contains more No. of sweat glands

B. It contains less number of sebaceous glands

C. It contains less number of sweat glands

D. It contains more do. of sebaceous glands

10252. The function of merkel cells is_______________?
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A. Secretory function

B. Nutritive function

C. Neuro sensory

D. Sensory function

10253. Supporting cells of taste buds are called as_____________?
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A. Von ebner cells

B. Acini

C. Sustenticular cells

D. Taste cells

10254. Which papillae are completely keratinized______________?
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A. Circumvallate

B. Filiform

C. Fungiform

D. Foliate

10255. Long connective tissue papillae and keratinized epithelia are a feature of these parts of oral mucosa____________?
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A. Hard and soft palate

B. gingiva and alveolar mucosa

C. Hard palate and gingiva

D. Buccal andalveolar mucosa

10256. Oral tissue for microscopic examination is prepared by_______________?
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A. Frozen and sectioned

B. Embedded in paradion and sectioned

C. All of the above

D. Specimens ground into thin sections

E. Embedded in paraffin and sectioned

10257. Accentuated incremental lines in dentin are______________?
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A. Incremental lines of retzius

B. Contour lines lines of owen

C. None of the above

D. Incremental lines of von Ebner

10258. The mucous membrane of cheeks and lips_____________?
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A. None of the above

B. It attached to buccinator muscle in cheeks

C. It attached to orbicularis oris in lips

D. A & B are correct
10259. Cells of the spinous layer are generally_______________?
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A. None of the above

B. Larger than the basal cells

C. Smaller than the basal cells

D. same size as that of basal cells

10260. perikymata are the external surface manifestations of_____________?
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A. Pellicle

B. Enamel rods

C. Nasmyths membrane

D. Incremental lines of retzius
10261. Jacobsons organ is________________?
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A. Auxillary olfactory sense organ

B. Ellipsoid/Cigar shaped

C. All of the above

D. Undergoes degeneration after 4 months of intrauterine life

10262. Basement membrane________________?
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A. Contains lamina lucida & Lamina dura

B. consists of desmosomes and hemi desmosomes

C. Consists luratihyaline granules

D. consists of lamina densa and lamina lucida
10263. The oral epithelium is attached to the enamel via_______________?
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A. Hemidesmosomes

B. Desmosomes

C. Reticular fibers

D. Collagen fibers

10264. Vonebilers glands open into which papilla_____________?
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A. Circumvallate

B. Foliate

C. Filiform

D. Fungiform

10265. Lamina densa of the gingival basement membrane is rich in_____________?
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A. Type I and III collagen

B. Type I collagen

C. Type III collagen

D. Type IV collagen
10266. The apical foramen of a fully developed permanent tooth is usually lined by_____________?
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A. The Epithelial diaphragm

B. Epithelial rest cells

C. Cementum

D. Dentin