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.Management Sciences
Category: Oral Histology
The function of myoepithelial cells may be______________?
A. Initiating contraction
B. Support for the end piece during active secretion of saliva
C. Provide signals to the acinar secretary cells for structure organization
D. All of the above
Which of the following statement is true______________?
A. Cementum is thinnest at CEJ (20-50μm)
B. Cementum is thickest towards the apex (150-200μm)
C. The apical foramen is surrounded by cementum
D. All of the above
The pain transmission through dentin is______________?
A. Direct neural stimulation
B. Fluid or hydrodynamic theory
C. Transduction theory
D. All of the above
Minor salivary glands are present in the submucosa through out the oral mucosa except for the______________?
A. Gingiva and anterior part of hard palate
B. Tongue and soft palate
C. Retromolar area and hard palate
D. Lip and posterior third of the hard palate
Aging process affects pulp tissue by_____________?
A. Decreasing the size and shape of pulp tissue and cellular component
B. Increase cellular component at the expenses of fibre component
C. Increases vascularity of the pulp
D. Decrease the calcific component of the pulp
Root lengthening is contributed by____________?
A. Cellular cementum
B. Acellular cementum
C. Intermediate cementum
D. All of the above
The components of future TMJ shows development at_____________?
A. 6 weeks
B. 18 weeks
C. 10 weeks
D. 16 weeks
Which of the following statement is correct_________________?
A. In cross sections enamel rods appear hexagonal and resembles fish scales
B. The bodies of rods are near occlusal and incisal surfaces, where as the tails point cervically
C. The apatite crystals are parallel to bodies and deviate 65° from the tails
D. All of the above
The average life time of primary pulp in oral cavity is__________?
A. 8.3 years
B. 2 years
C. 7 years
D. 3 years
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