medical MCQs – Page 500

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 Review each marked answer and report any item that may be outdated or unclear.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

9981. Following is derivative of dental lamina____________?
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A. Rests of serrae

B. Epithelial rests of Malassez

C. All of the above

D. Enamel pearls

9982. Dentinal tubules are calcified in_______________?
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A. Sclerotic dentin

B. Secondary dentin

C. Primary dentin

D. Interglobular dentin

9983. In mammals independent and tough suspension for teeth is provided by____________?
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A. Cementum

B. Periodontal membrane

C. Alveolar sockets

D. Gubernacular cords

9984. Ectodermal cells in tooth bud are responsible for_______________?
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A. Determination of shape of crown and root

B. Formation of pulp

C. Formation of cementum

D. Formation of periodontal ligament

9985. The region in which cementum formation is most rapid is_____________?
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A. Coronal

B. Interradicular

C. Middle

D. Apical

9986. Metalloprotienases are used in which stage of the amelogenesis_____________?
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A. Desmolytic

B. Protective

C. Formative/ Secretory

D. Organising

9987. The key hole, pattern appearance in the cross section is feature of______________?
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A. Intratubular dentin

B. Intertubular dentin

C. Aprismatic enamel

D. Prismatic enamel

9988. The dentin receptors are unique because_____________?
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A. They elicit pain to hot and cold

B. Elicit only pain as a response

C. They elicit pain to touch and pressure

D. They elicit pain to chemicals

9989. Cementum formation is seen_______________?
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A. After dentin formation

B. Before dentin formation

C. Both are formed at same time

D. None of the above

9990. Shape of enamel rod is______________?
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A. None of the above

B. Round

C. Key hole or paddle shaped

D. Square

9991. The organic lining of the calcified dentinal tubules is known as_______________?
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A. Lamina densa

B. Lamina propria

C. Lamina lucida

D. Lamina limitans

9992. Which of the following is correct?
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A. Cementum is more resistant to resorption than bone

B. Bone is more resistant to resorption than cementum

C. Both are equally resorbable

D. None of the above

9993. The shallow furrows on the enamel surface, where stria of Retzius end are known as _______________ ?
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A. Pellicle

B. Enamel lamellae

C. Cracks

D. perikymata

9994. The average life time of primary pulp in oral cavity is__________?
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A. 3 years

B. 8.3 years

C. 7 years

D. 2 years

9995. Synthesis of enamel matrix proteins occurs in the________________?
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A. Ameloblast

B. Stratum granulosum

C. Stratum intermedium

D. Outer enamel epithelium

9996. Collagen biosynthesis occurs inside the______________?
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A. Chondroblasts

B. Fibroblasts

C. Osteoblasts

D. Odontoblasts

9997. Alveolar process helps in providing_____________?
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A. Support the natural teeth

B. Support and retention to the complete denture

C. Boundaries for the tongue during speech

D. Attachment to muscles of facial expression

9998. The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
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A. Pulp chamber

B. Lateral canal

C. Twisted

D. Curved

9999. The number of pulp organs in a person in___________?
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A. 62

B. 32

C. 52

D. 50

10000. Order of development of tooth germ is____________?
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A. Cap-bell-bud

B. Bell-bud-cap

C. Bud-cap-bell

D. Bell-cap-bud

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