A. Chondroblasts
B. Odontoblasts
C. Osteoblasts
D. Fibroblasts
✅ The correct answer is option D. Fibroblasts.
Oral Histology
142. Hertwig’s root sheath is formed from______________?
A. Stratum inter medium
B. Stellate reticulum
C. Outer enamel epithelium
D. Cervical loop
✅ The correct answer is option D. Cervical loop.
143. Enamel is laid down______________?
A. Mainly by odontoblasts
B. Mainly by ameloblasts
C. Only on odontoblasts
D. Only by ameloblasts
✅ The correct answer is option D. Only by ameloblasts.
144. Of the total amount of saliva secreted by all the salivary glands, about 60% is secreted by the_____________?
A. Parotid glands
B. Sublingual glands
C. Submandibular glands
D. None of the above
✅ The correct answer is option C. Submandibular glands.
145. In the tongue bitter taste is more perceived at_____________?
A. Tip
B. Sides
C. Back
D. Front
✅ The correct answer is option C. Back.
146. The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?
A. Osteoblast
B. Fibrocytes
C. Polymorphs
D. Osteoclasts
✅ The correct answer is option D. Osteoclasts.
147. Haversion systems (osteons) are found primarily in the_________________?
A. Spongy bone
B. Periosteum
C. Alveolar bone proper
D. Endosteum
✅ The correct answer is option C. Alveolar bone proper.
148. Synthesis of enamel matrix proteins occurs in the________________?
A. Outer enamel epithelium
B. Ameloblast
C. Stratum intermedium
D. Stratum granulosum
✅ The correct answer is option B. Ameloblast.
149. Membrane coating granules may_____________?
A. Appear as circular with an amorphous core in keratinized epithelium
B. Originate from golgi system
C. Packed with tonofilaments
D. Helps in adhesion of fully keratinized epithelial cells
✅ The correct answer is option B. Originate from golgi system.
150. The fibroblasts associated with capillaries are__________?
A. Plasma cell
B. Histocytes
C. Lymphocytes
D. Pericytes
✅ The correct answer is option D. Pericytes.