medical MCQs – Page 155

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 Review each marked answer and report any item that may be outdated or unclear.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

3081. Interdependency of osteoblasts and osteoclasts in bone remodeling is called as_____________?
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A. Lacunae

B. Reversal lines

C. Canaliculi

D. Coupling

3082. Development of supporting tissues of the tooth is initiated by____________?
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A. Cells of odontogenic layer

B. Cementoblasts

C. Cells of the gingiva

D. Cells of dental follicle

3083. Cementum that forms in conjunction with root end formation and eruption_____________?
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A. Cellular cementum

B. Acellular cementum

C. Both of the above

D. None of the above

3084. The dental pulp contains nerve endings/receptors for____________?
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A. Temperature

B. Pain

C. Pressure

D. Proprioception

3085. Pulp tissue contains all except____________?
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A. Fibroblasts

B. Osteoblasts

C. Capillary

D. Ameloblasts

3086. The average diameter of coronal dentinal tubules near the pulp is____________?
0

A. 0.2-0.5 microns

B. 2-3 microns

C. 7 microns

D. 0.2-0.3 microns

3087. Tooth develops from_______________?
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A. Ectoderm

B. Ectoderm and endoderm

C. Ectoderm, mosoderm

D. Mesoderm

3088. The number of pulp organs in a person in___________?
0

A. 52

B. 32

C. 62

D. 50

3089. Which of the following is not an ecto-mesenchymal derivative ?
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A. Dentin

B. Enamel

C. Pulp

D. Cementum

3090. The type of bone present in the labial area of anterior teeth is_________________?
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A. Exophytic

B. Cancellous

C. Cortical

D. Osteophytic

3091. The diameter of the rod is______________?
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A. 4 ? m

B. 2 ? m

C. 9 ? m

D. 7 ? m

3092. The most abundant group of fibres in the PDL are_____________?
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A. Apical

B. Horizontal

C. Trans-septal

D. Oblique

3093. Synthesis of enamel matrix proteins occurs in the________________?
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A. Outer enamel epithelium

B. Stratum intermedium

C. Ameloblast

D. Stratum granulosum

3094. Inorganic content of enamel is about______________?
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A. 35%

B. 50%

C. 4%

D. 96%

3095. Pain originate in the pulp due to_________?
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A. free nerve ending at sub odontoblastic layer

B. free nerve ending in cell rich zone

C. Meisseners corpuscles at cell rich zone

D. Krause bulb at the center of the pulp

3096. Calcium content of lamina dura is______________?
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A. More than the other parts of alveolar bone

B. Less than the other parts of alveolar bone

C. Same as in other parts of alveolar bone

D. Less than the cementum

3097. The periodontal ligament_____________?
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A. Comprises primarily of type II collagen

B. Has a slow rate of turn over

C. Derives its blood supply primarily from the branches of vessels entering the pulp

D. Contains epithelial cells

3098. Organ of chievity is seen near the______________?
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A. Medial surface of the mandible

B. Foramen caecum

C. Mental foramen

D. Naso palatine foramen

3099. The type of tertiary dentin which contains cellular inclusions is found in_____________?
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A. Osteodentin

B. Mantle dentin

C. Predentin

D. Sclerotic dentin

3100. Transmission of stimulus across dentin is______________?
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A. There is no transmission of stimulus across dentin

B. Stimulus induced fluid flow

C. Correlated with the innervation density of the dentin

D. Direct activation of nerve endings

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