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.Management Sciences
Category: Oral Histology
The condyle of mandible is composed of____________________?
A. Compact bone
B. Cancellous bone
C. Cancellous bone covered by thin layer of compact bone
D. Compact bone covered by cancellous bone
If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
A. Hyperplasia
B. Hypoplasia
C. Hypertrophy
D. Excementoses
Inter globular dentin results due to_____________?
A. Failure of coalescence of calcospherities
B. Fracture of the dentin
C. Artifact in light microscopy
D. Disturbance in dentinal tubules
Which of the following structures is not found in a living pulp ?
A. Collagen fibres
B. Haversian fibres
C. Non-myelinated nerve fibres
D. Reticulum
Dark bonds that are present in enamel rods at intervals of 4 μms are______________?
A. Neonantal bands
B. Cross striations
C. Striae of Retzius
D. Hunter-Schregar bands
The enamel has no capacity of self repair because______________?
A. It has only a small percent of organic content
B. Its formative cells are lost once it is completely formed
C. It is essentially a keratin tissue and has no blood vessels
D. It has no direct connection with the active cells of the dental pulp
Buccal mucosa is_______________?
A. Keratinized
B. Non-keratinized
C. Parakeratinised
D. Orthokeratinized
Dentinal tubules are______________?
A. Concave
B. Straight
C. S0shaped
D. None of the above
Dentin formed through out the life is______________?
A. Sclerotic dentin
B. Secondary dentin
C. Reparative dentin
D. All of the above
Osteoblasts appear basic gram staining due to______________?
A. Increased ribonucleic acid
B. Acidic ground substance
C. Increased mitochondria
D. Presence of basic ground substance
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