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.Management Sciences
Category: Oral Histology
Second arch derivatives are all except_________________?
A. Stapes
B. Malleus and incus
C. Styloid process
D. Superior part of hyoid bone
Principal fibres of periodontal ligament are attached to_____________?
A. Alveolar bone proper
B. Bundle bone
C. Lamellar bone
D. Cortical bone
The marrow found in the mandible is____________?
A. All fatty marrow
B. All red marrow
C. All fibrous marrow
D. A combination of fatty and fibrous marrow
Regressive changes in pulp include____________?
A. Increased fibrotic component
B. Decreased cellular component
C. Calcification in blood vessels near apical foramen
D. All of the above
Which of the following enzymes are involved in bone formation________________?
A. Alkaline phosphatase and urease
B. Catalase and phosphorylase
C. Alkaline phosphatase and phosphorylase
D. Acid phosphatase and catalase
Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following ?
A. Greater stainability
B. Lasser content of inorganic salts
C. greater content of inorganic salts
D. Greater content of large collagen fibres
Interdependency of osteoblasts and osteoclasts in bone remodeling is called as_____________?
A. Lacunae
B. Coupling
C. Reversal lines
D. Canaliculi
The cap stage in tooth development is characterized by_____________?
A. morphodifferentiation
B. reversal of functional polarity
C. Formation of hammock ligament
D. Increased mitotic activity
Chronic periapical inflammation is usually associated with____________?
A. Ankylosis
B. Resorption of cementum
C. Hypertrophy of cementum
D. Hyperplasia of cementum
The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?
A. Osteoblast
B. Fibrocytes
C. Polymorphs
D. Osteoclasts
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