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.Management Sciences
Category: Oral Histology
Which of the following is true___________?
A. Pulpal pressure is highest among body tissues
B. Majority of nerve that enter the pulp are non myelinated and are sympathetic in nature
C. Plexus of Rashkow or parietal layers of nerves is formed by network of peripheral axons located adjacent to cell rich zone
D. All of the above
The thickness of prismless enamel in diciduous teeth is______________?
A. 25 μ m
B. 50 μ m
C. 75 μ m
D. 100 μ m
Protein secreted by odontoblast_____________?
A. Chitin
B. Keratin
C. Collagen
D. Elastin
Intermediate cemental layer_____________?
A. Does not exhibit features of either dentin of cementum
B. Predominantly seen in apical tow thirds of roots of molars and premolars and is rare in incisors or deciduous teeth
C. Represents area of entrapment of hertwig’s sheath in dentin or cementum
D. All of the above are correct
Matrix vesicles_______________?
A. Are found in mantle dentin
B. Contain collagen
C. Produce alkaline phosphatase
D. Inhibit mineralization
Tooth develops from_______________?
A. Ectoderm, mosoderm
B. Ectoderm
C. Mesoderm
D. Ectoderm and endoderm
The component of future T.M.J shows development at _____________?
A. 6 weeks
B. 10 weeks
C. 18 weeks
D. 16 weeks
Cementicles are found in the_____________?
A. Gingiva
B. Periodontal ligament
C. Alveolar bone
D. Cementum
Which of the following is correct ?
A. Parotid – stenson’s duct – pure serous
B. Submandibular – Wharton’s duct – mixed and predominantly serous
C. Sublingual gland – bartholin’s duct – mixed and predominantly mucous
D. All of the above
Sclerotic dentin has following features_____________?
A. Caries susceptible
B. Insensitive
C. Hypersensitive
D. Resistant to caries
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