DHA Periodontic Exam 2022

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DHA Periodontic Exam Materials MCQs 2022

4000 MCQs

Updated

Enough to pass exam

Questions samples :

1. The periodontium consists of two mineralized and two unmineralised tissues. They are as follows.
a. Cementum, alveolar bone, periodontal ligament and the gingiva. **
b. Dentine, alveolar bone, periodontal ligament and the gingiva.
c. Gingiva, enamel, dentine and alveolar mucosa.
d. Gingiva, cementum, junctional epithelium and periodontal ligament.

2. Which of the following cells synthesize collagen?
a. Fibroblasts.
b. Osteoblasts.
c. Chondroblasts.
d. Odontoblasts.
e. All of the above. **
f. None of the above.

3. The periodontal ligament is the soft specialized connective tissue situated between the cementum covering the root of the tooth and the bone forming the socket wall.
a. True. **
b. False.

4. The two mineralized tissues of the periodontium are
a. Cementum and periodontal ligament.
b. Cementum and alveolar bone. **
c.Enamel and gingiva.
d. Enamel and dentine.

5. The periodontal ligament was earlier called as
a. Desmodont, gomphosis and pericementum.
b. Dental periosteum, periodontal membrane and alveolo dentalligament.
c. All of the above. **
d. None of the above.

6. The cell that synthesize the fibers and ground substances of the periodontal ligament are:
a. Neutrophils.
b. Eosinophils.
c. Fibroblasts. **
d. Foam cells.

7. The principal cells of the periodontal ligament are the
a. Neutrophils.
b. Fibroblasts.**
c. Osteoblasts.
d. Ameloblasts.

8. Elaunin fibres are found in the
a. Cementum
b. Periodontal ligament **
c. Alveolar bone
d. Gingiva

9. Cementum tears occurs in
a. Trauma **
b. Clenching
c. Root planning
d. Deep bite

10. Cementum repair occurs in
a. Vital tooth
b. Devitalised tooth
c. Both a and b **
d. None of the above

11. Which of the following can be described as coating of nondevelopmental origin
a. Reduced enamel epithelium
b. Dental plaque **
c. Dental cuticle
d. Coronal cementum

12. Which of the following are the most abundant cell of the periodontium and have a central role in homeostasis, pathogenesis and healing?
a. Dendritic cell.
b. Epithelial cell.
c. Macrophage.
d. Fibroblast. **

13. The following statements about periodontal ligament fibroblasts are true.
a. They are capable of synthesis and resorption.
b. They have migratory as well as contractile properties.
c. Both are true. **
d. Only a is true.

14. Which of the following is the depth of clinically healthy gingival sulcus?
a. 3-4 mm.
b. 1-2 mm.
c. 2-3 mm. **
d. 2-4 mm.

15. Which of the following is the principal cell type of the gingival epithelium?
a. Keratinocyte. **
b. Melanocyte.
c. Osteocyte.
d. Fibrocyte.

16. The upper most cells of the stratum spinosum contain numerous dense granules. What are they termed?
a. Keratinosomes.
b. Odland bodies.
c. All of the above. **
d. None of the above.

17. Which of the following is an enzyme closely related to the degree of keratinization?
a. Acid phosphatase. **
b. Alpha-glactosidase
c. Aminopeptidase.
d. Alpha–chymotrypsin.

18. Tight junctions are also called as
a. Adhering junctions (zonula adherens).
b. Desmosomes (macula adherens)
c. Gap junctions.
d. Occluding junctions (zonula occludens). **

19. Which of the following is not a cell type of gingival epithelium?
a. Keratinocyte.
b. Langerhan’s cells.
c. Lymphocyte. **
d. Melanocytes.
e. Merkel cells.

20. Melanocytes are dendritic cells of neuro-ectodermal origin. They synthesize melanin in organelles called:
a. Premelanosomes.
b. Melanosomes.
c. All of the above. **
d. None of the above.

Category:

DHA Periodontic Exam Materials MCQs 2022

4000 MCQs

Updated

Enough to pass exam

Questions samples :

1. The periodontium consists of two mineralized and two unmineralised tissues. They are as follows.
a. Cementum, alveolar bone, periodontal ligament and the gingiva. **
b. Dentine, alveolar bone, periodontal ligament and the gingiva.
c. Gingiva, enamel, dentine and alveolar mucosa.
d. Gingiva, cementum, junctional epithelium and periodontal ligament.

2. Which of the following cells synthesize collagen?
a. Fibroblasts.
b. Osteoblasts.
c. Chondroblasts.
d. Odontoblasts.
e. All of the above. **
f. None of the above.

3. The periodontal ligament is the soft specialized connective tissue situated between the cementum covering the root of the tooth and the bone forming the socket wall.
a. True. **
b. False.

4. The two mineralized tissues of the periodontium are
a. Cementum and periodontal ligament.
b. Cementum and alveolar bone. **
c.Enamel and gingiva.
d. Enamel and dentine.

5. The periodontal ligament was earlier called as
a. Desmodont, gomphosis and pericementum.
b. Dental periosteum, periodontal membrane and alveolo dentalligament.
c. All of the above. **
d. None of the above.

6. The cell that synthesize the fibers and ground substances of the periodontal ligament are:
a. Neutrophils.
b. Eosinophils.
c. Fibroblasts. **
d. Foam cells.

7. The principal cells of the periodontal ligament are the
a. Neutrophils.
b. Fibroblasts.**
c. Osteoblasts.
d. Ameloblasts.

8. Elaunin fibres are found in the
a. Cementum
b. Periodontal ligament **
c. Alveolar bone
d. Gingiva

9. Cementum tears occurs in
a. Trauma **
b. Clenching
c. Root planning
d. Deep bite

10. Cementum repair occurs in
a. Vital tooth
b. Devitalised tooth
c. Both a and b **
d. None of the above

11. Which of the following can be described as coating of nondevelopmental origin
a. Reduced enamel epithelium
b. Dental plaque **
c. Dental cuticle
d. Coronal cementum

12. Which of the following are the most abundant cell of the periodontium and have a central role in homeostasis, pathogenesis and healing?
a. Dendritic cell.
b. Epithelial cell.
c. Macrophage.
d. Fibroblast. **

13. The following statements about periodontal ligament fibroblasts are true.
a. They are capable of synthesis and resorption.
b. They have migratory as well as contractile properties.
c. Both are true. **
d. Only a is true.

14. Which of the following is the depth of clinically healthy gingival sulcus?
a. 3-4 mm.
b. 1-2 mm.
c. 2-3 mm. **
d. 2-4 mm.

15. Which of the following is the principal cell type of the gingival epithelium?
a. Keratinocyte. **
b. Melanocyte.
c. Osteocyte.
d. Fibrocyte.

16. The upper most cells of the stratum spinosum contain numerous dense granules. What are they termed?
a. Keratinosomes.
b. Odland bodies.
c. All of the above. **
d. None of the above.

17. Which of the following is an enzyme closely related to the degree of keratinization?
a. Acid phosphatase. **
b. Alpha-glactosidase
c. Aminopeptidase.
d. Alpha–chymotrypsin.

18. Tight junctions are also called as
a. Adhering junctions (zonula adherens).
b. Desmosomes (macula adherens)
c. Gap junctions.
d. Occluding junctions (zonula occludens). **

19. Which of the following is not a cell type of gingival epithelium?
a. Keratinocyte.
b. Langerhan’s cells.
c. Lymphocyte. **
d. Melanocytes.
e. Merkel cells.

20. Melanocytes are dendritic cells of neuro-ectodermal origin. They synthesize melanin in organelles called:
a. Premelanosomes.
b. Melanosomes.
c. All of the above. **
d. None of the above.

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