medical MCQs – Page 511

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 Review each marked answer and report any item that may be outdated or unclear.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

10201. 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

10202. 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

10203. 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

10204. 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

10205. Extracted teeth should be preserved in_____________?
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A. Saline

B. Xylene

C. 10% alcohol

D. 10% Formalin

10206. The red zones of lips have_____________?
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A. very small number of sebaceous glands, if any

B. 30% Sebaceous glands

C. 75% sebaceous glands

D. Absolutely no sebaceous glands

10207. Difference between the skin and mucosa of cheek is_______________?
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A. Keratinized mucosa of cheek

B. Rete pegs

C. Thick lamina propria on skin of cheek

D. Thin lamina and non keratinized mucosa of cheek

10208. The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?
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A. 25th day of Intra uterine life

B. 20 wks of Intra uterine life

C. 56th day of Intra uterine life

D. 34th day of Intra uterine life

10209. Epithelial attachment is derived from____________?
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A. Dental sac

B. Reduced enamel epithelium

C. Dental papilla

D. Inner enamel epithelium

10210. All of the following is lined by stratified squamous epithelium, except ?
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A. Oropharynx

B. Lips

C. Tongue

D. Roof of the soft palate

10211. The range of level of fluoride secreted by the glands into the mouth is_____________?
0

A. 0.006-0.007 ppm

B. 0.007-0.005 ppm

C. 0.004-0.005 ppm

D. 0.007-0.08 ppm

10212. Biomechanism that unites the epithelium to the tooth surface is_____________?
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A. Internal basal lamina

B. Epithelial attachment

C. Junctional epithelium

D. Reduced enamel epithelium

10213. Frozen sections can be used for the demonstration of_____________?
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A. Mucin

B. Fat

C. Cartilage

D. Iron

10214. Specific stain for fat cells is___________?
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A. Eosin & haematoxylin

B. Cresyl violet

C. Sudan III

D. Carbol fuschin

10215. Movement of tooth to close the intermaxillary gap during eruption is due to____________?
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A. Passive eruption

B. None of the above

C. Physiological tooth migration

D. Active eruption

10216. In resorption of roots of the primary teeth, the dental pulp_____________?
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A. Plays a passive role

B. Aids in formation of secondary dentin slowing down resorption

C. Becomes a fibrotic non-vital mass

D. Initiates resorption from the inner surface of roots

10217. Tooth buds of permanent mandibular incisors are situated_____________?
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A. Labial to primary teeth

B. Inferior to primary teeth

C. A and B

D. Lingual to primary teeth

10218. Masticatory mucosa is____________?
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A. Sub keratinised

B. Para keratinised

C. Non keratinised

D. Ortho keratinised

10219. Merkel cells are found in which of the following tissue ______________?
0

A. Reticular of dermis

B. Epidermis

C. Papillary layer of dermis

D. Hypodermis

10220. Epithelial cells which ultimately keratinize are known as_____________?
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A. Non-Keratinizing cells

B. Keratinizing cells

C. Melanocytes

D. Clear cells

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