Question: The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?

• 1. Osteoblast
• 2. Fibrocytes
• 3. Polymorphs
• 4. Osteoclasts

Question: Frozen sections can be used for the demonstration of_____________?

• 1. Fat
• 2. Mucin
• 3. Cartilage
• 4. Iron

Question: Dehydration of specimen is carried out by____________?

• 1. By using 10% formalin
• 2. By using liquid or solid Co2
• 3. By using increasing percentages of alcohol
• 4. By using 5% nitric acid

Question: A suitable fixative for a routine biopsy specimen is_____________?

• 1. 10% formalin
• 2. 40% formalin
• 3. 20% formalin
• 4. 10% alcohol

Question: Epithelial attachment is derived from____________?

• 1. Reduced enamel epithelium
• 2. Dental papilla
• 3. Inner enamel epithelium
• 4. Dental sac

Question: Tooth buds of permanent mandibular incisors are situated_____________?

• 1. Lingual to primary teeth
• 2. Inferior to primary teeth
• 3. Labial to primary teeth
• 4. A and B

Question: Gubernacular canal guides the eruption of_____________?

• 1. Primary teeth
• 2. Permanent teeth
• 3. Both A and B
• 4. None of the above

Question: Resorption of dental tissue is caused by_____________?

• 1. Osteoclasts
• 2. Osteoblasts
• 3. Odontoclasts
• 4. Odontoblasts

Question: Tooth eruption is due to______________?

• 1. Osteoclastic activity
• 2. Proliferation of cells at crypt
• 3. Exforliation of primary tooth
• 4. Eruptive force

Question: In resorption of roots of the primary teeth, the dental pulp_____________?

• 1. Plays a passive role
• 2. Becomes a fibrotic non-vital mass
• 3. Initiates resorption from the inner surface of roots
• 4. Aids in formation of secondary dentin slowing down resorption