oral histology MCQs – Page 17

Practise focused oral histology questions with marked answers for exam preparation and subject revision.

oral histology Mcqs
321. Elongated rete pegs are seen in______________?
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A. Floor of the mouth

B. Buccal mucosa

C. Alveolar mucosa

D. Attached gingiva
322. Keratohyaline granules are found in________________?
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A. St. basale

B. Prickle cell layer

C. St. spinosum

D. St. granulosum
323. Bulk of lamina propria of the gingiva is made of collagen type_______________?
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A. IV

B. III

C. I

D. II

324. Gubernacular canal guides the eruption of_____________?
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A. Primary teeth

B. Permanent teeth

C. Both A and B

D. None of the above

325. The high level clear cell present in the oral epithelium is_____________?
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A. Lymphocyte

B. Merkel cell

C. Melanocyte

D. Langerhans cell
326. Partially keratinized papilla is_______________?
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A. Foliate

B. Filiform

C. Circumvallate

D. Fungiform

327. Resorption of dental tissue is caused by_____________?
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A. Odontoblasts

B. Osteoblasts

C. Osteoclasts

D. Odontoclasts
328. Buccal mucosa is_______________?
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A. Orthokeratinized

B. Parakeratinised

C. Non-keratinized

D. Keratinized

329. Dehydration of specimen is carried out by____________?
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A. By using 10% formalin

B. By using 5% nitric acid

C. By using increasing percentages of alcohol

D. By using liquid or solid Co2

330. The enamel of the posterior teeth is thickest at____________?
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A. Middle third of buccal surface

B. Cervical third of buccal surface

C. Middle third of lingual surface

D. Occlusal surface
331. Which of the following is non-keratinocyte ?
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A. Langhans cell

B. Langerhans cell

C. RBC

D. Grey cell

332. Stratum germinatum is_______________?
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A. Stratum basale and parabasal spinous cells

B. Stratum spinosum

C. Stratum basale

D. Stratum granulosum

333. Non keratinized epithelium is found over___________?
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A. Attached gingiva

B. Gingival sulcus

C. Free gingiva

D. Interdental papilla

334. The position of mucogingival line____________________?
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A. None of the above

B. Constant throughout the life

C. Shifts apically with age

D. Shifts coronally with age

335. Calcified tissue is absent in______________?
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A. Enamel

B. Dentin

C. Pulp

D. Cementum

336. Hammock ligament is present_______________?
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A. Between hamular notch and mandible

B. As a part of deep cervical fascia

C. In apical area of a tooth

D. Between temporal and sphenoid bone

337. Epithelium of oral mucous membrane is_______________?
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A. Only para keratinized

B. Non keratinized

C. Ortho, para and non keratinized

D. Keratinized

338. Epithelium of the inner surface of the gingival sulcus______________?
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A. Has prominent rete pegs

B. Is keratinized

C. Has no rete pegs

D. Is para-keratinized

339. Which of the following factors are primarily contributory to the shedding of deciduous tooth ?
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A. Masticatory pressure

B. Hydrostatic

C. Vascular pressure

D. Oncotic pressure

340. In which of the following papillae of the tongue are the taste buds predominantly located ?
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A. Fungiform

B. Circumvallate

C. Filliform

D. Foliate