medical MCQs – Page 512

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 Review each marked answer and report any item that may be outdated or unclear.

10221. The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ ?m/day?
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A. 100

B. 75

C. 50

D. 25

10222. The major cells seen in gingiva are______________?
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A. Odontoblasts

B. Merkel cells

C. Fibro blast

D. Cementoblasts

10223. Minor salivary glands are present in the submucosa through out the oral mucosa except for the______________?
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A. Gingiva and anterior part of hard palate

B. Retromolar area and hard palate

C. Lip and posterior third of the hard palate

D. Tongue and soft palate

10224. Tooth eruption is due to______________?
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A. Proliferation of cells at crypt

B. Osteoclastic activity

C. Eruptive force

D. Exforliation of primary tooth

10225. The deciduous teeth can be differentiated from permanent teeth by_____________?
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A. Dentinal tubule arrangement

B. Enamel prismatic arrangement

C. Mineral content

D. Primary and secondary dentin

10226. Keratohyaline granules are more evident in_______________?
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A. Keratinised

B. Orthokeratinized

C. Parakeratinised

D. Non keratinized

10227. Protein making up the bulk of keratohyaline granules in stratum granulosum of keratinized epithelium is______________?
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A. Filaggrin

B. Nectin

C. Involucrin

D. Vinculin

10228. The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?
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A. Osteoblast

B. Osteoclasts

C. Fibrocytes

D. Polymorphs

10229. Which of the following statement is false______________?
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A. Resorption of roots of deciduous incisors and canines begins on their lingual surfaces

B. Resorption of roots of deciduous molars begins on their inner surfaces

C. Shedding of deciduous teeth is delayed in the absence of their successor teeth

D. None of the above
10230. The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?
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A. Occlusal wear

B. Gingival recession

C. Impaction

D. Gingivitis

10231. Gubernacular canal and gubernacular cord are seen in relation to____________?
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A. Succedaneous teeth

B. None of the above

C. Deciduous teeth

D. Permanent teeth

10232. After the eruption of crown, reduced enamel is known as_____________?
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A. Reduced enamel epithelium

B. Primary attachment epithelium

C. Secondary attachment epithelium

D. Primary enamel cuticle

10233. Teeth with out antagonist if erupt is called____________?
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A. Supra erupted

B. Over erupted

C. Submerged

D. Stable

10234. Which of the following is correct_______________?
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A. Parakeratinished epithelium is characterized by superficial cells with pyknotic nuclei and absence of stratum granulosum

B. Non-keratinized epithelium is characterized by absence of stratum granulosum and stratum corneum, The surface cells are nucleated

C. In ortho keratinisation the superficial cells lose their nuclei, but stratum granulosum is present

D. All of the above
10235. The connective tissue of the gingiva is known as the______________?
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A. Lamina propria

B. Dental cuticle

C. Fibroblasts

D. Lamina dura

10236. Stratum Germinativum of the oral epithelium is the term given to_______________?
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A. Basal cells and parabasal spinous cells

B. Granular cell layer

C. Basal cell layer

D. Spinous cells and granular cells

10237. In the tongue bitter taste is more perceived at_____________?
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A. Back

B. Sides

C. Tip

D. Front

10238. Color of the normal gingiva is_____________?
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A. Red

B. None of the above

C. Coral pink

D. Pink

10239. A suitable fixative for a routine biopsy specimen is_____________?
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A. 20% formalin

B. 40% formalin

C. 10% formalin

D. 10% alcohol

10240. Masticatory mucosa in the oral cavity covers the_______________?
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A. Alveolar mucosa and vestibular fornix

B. Lip and cheek

C. Gingiva and hard palate

D. Floor of the mouth and soft palate