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.Management Sciences
Category: Oral Histology
The diameter of the rod is______________?
A. 4 μ m
B. 9 μ m
C. 7 μ m
D. 2 μ m
First appearance of tooth formation occurs in____________?
A. 6th week IU
B. 2nd week IU
C. 9th week IU
D. 4th week IU
Any insult to cells in apposition stage result in______________?
A. Hutchinson’s incisor
B. Osteodentin formation
C. Enamel hypoplasia
D. Anodontia
Sharpey’s fibres are present in_______________?
A. Bone
B. Periosteum
C. Periodontal ligament
D. All of the above
Pericytes are found___________?
A. In thymus
B. Around capillaries of pulp
C. In gallbladder
D. Along with heparin on surface of mast cells
At the CEJ cementum overlaps enamel about____________?
A. 55 to 60%
B. 60 to 65%
C. 65 to 70%
D. 70 to 75%
Main function of salivary duct is_______________?
A. To convey the saliva secreted by the terminal secretory units to oral cavity
B. Antibacterial action by secreting lysoenzymes and lactoferrin
C. Synthesis of secretory glycoproteins by Kallidrein an enzyme in striated duct cells
D. None of the above
Epithelial attachment is_____________?
A. Attachment of ameloblasts to the tooth
B. Microscopically it resembles basal lamina
C. Derived from secondary attachment epithelium
D. All of the above
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