medical MCQs – Page 513

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

10241. Dendritic cell located in the stratified squamous keratinizing epithelium of the oral cavity include_____________?
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A. Keratinocytes

B. Myoepithelila cells

C. Mast cells

D. Melanocytes

10242. The most accepted theory of tooth eruption is____________?
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A. Hydrodynamic theory

B. Clone theory

C. Periodontal ligament traction theory

D. Vascular theory

10243. Which enzyme is associated with the mineralization_____________?
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A. Acid phosphatase

B. Adenosine triphosphate

C. Alkaline phosphatase

D. Amino peptidase

10244. Osteoblasts appear basic gram staining due to______________?
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A. Acidic ground substance

B. Presence of basic ground substance

C. Increased mitochondria

D. Increased ribonucleic acid

10245. In mineralization which one of the following is known as Epitaxy ?
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A. Booster Mechanism

B. Cartier/s Adenosine Triphosphate theory

C. Alkaline Phosphatase theory

D. Seeding theory

10246. Which of the following has immune function in the oral mucous membrane_______________?
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A. Merkel cells

B. Keratinocyte

C. Melanocyte

D. Langerhan cell

10247. Epithelial attachment is_____________?
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A. Microscopically it resembles basal lamina

B. Attachment of ameloblasts to the tooth

C. Derived from secondary attachment epithelium

D. All of the above

10248. Stratum granulosum is not present in_____________?
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A. Non keratinized epithelium

B. Hyper orthokeratosis

C. Hyper parakeratosis

D. Sulcular epithelium

10249. Enamel tufts are_______________?
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A. Thin tuft like structure extending from enamel surface of dentin enamel junction

B. Tuft like structure arising from dentin-enamel junction towards enamel surface

C. None of the above

D. Odontoblastic processes extending into enamel

10250. Stipplings______________?
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A. All of the above

B. Disappeared in progressing gingivitis due to edema and this change is reversible

C. Due to alternate elevations and depressions in epithelium

D. Functional adaptation to mechanical impact

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

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