A. Proximal surface of tooth
B. Cervical region of tooth
C. Cusp tips of tooth
D. All of the above
✅ The correct answer is option C. Cusp tips of tooth.
Oral Histology
162. Metalloprotienases are used in which stage of the amelogenesis_____________?
A. Organising
B. Formative/ Secretory
C. Protective
D. Desmolytic
✅ The correct answer is option B. Formative/ Secretory.
163. The region in which cementum formation is most rapid is_____________?
A. Middle
B. Coronal
C. Apical
D. Interradicular
✅ The correct answer is option A. Middle.
164. The maxillary sinus______________?
A. Opens in to the inferior meatus of nose
B. Has the 1st molar projecting into its floor
C. Is fully developed by the age of 8 years
D. Has good drainage in upright position
✅ The correct answer is option B. Has the 1st molar projecting into its floor.
165. Which of the following is correct about serous glands_____________?
A. They are specialized for the synthesis, storage and secretion of proteins
B. They contain secretory granules in the apical Cytoplasm and the secretion of granule content occurs by exocrytosis
C. Serous cells are pyramidal in shape
D. All of the above
✅ The correct answer is option D. All of the above.
166. The formation of which of the following does not represent normal physiologiacl process of dentin formation_______________?
A. Primary and secondary dentin
B. Secondary dentin and circumpulpal dentin
C. Tetiary dentin and sclerotic dentin
D. All of the above
✅ The correct answer is option C. Tetiary dentin and sclerotic dentin.
167. The oral epithelium is attached to the enamel via_______________?
A. Reticular fibers
B. Collagen fibers
C. Hemidesmosomes
D. Desmosomes
✅ The correct answer is option C. Hemidesmosomes.
168. Bartholins duct is the name of_______________?
A. Parotid duct
B. Submandibular glands
C. Sublingual duct
D. Lacrimal duct
✅ The correct answer is option C. Sublingual duct.
169. The component of future T.M.J shows development at _____________?
A. 6 weeks
B. 10 weeks
C. 18 weeks
D. 16 weeks
✅ The correct answer is option B. 10 weeks.
170. Fibres which continue from bone to ligament are_____________?
A. Sharpey’s fibres
B. Tome’s fibres
C. Ray’s fibres
D. All of the above
✅ The correct answer is option A. Sharpey’s fibres.