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oral pathology and medicine MCQs

Practise focused oral pathology and medicine questions with marked answers for exam preparation and subject revision.

oral pathology and medicine Mcqs
1. Dentigerous cyst is associated with the following
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A. Odontome

B. Impacted supernumerary tooth

C. All of the above

D. Impacted 3rd molar

2. The most aggressive and destructive cyst is:_____________?
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A. Globulomaxillary cyst

B. Dentigerous cyst

C. Periapical cyst

D. Nasopalatine cyst

3. Cyst arising from dental lamina:___________________?
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A. Glandular odontogenic cyst

B. Paradental cyst

C. Eruption cyst

D. Radicular cyst

4. Each of the following cyst is associated with an impacted tooth except:___________?
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A. Primordial cyst

B. Dentigerous cyst

C. Keratocyst

D. Clacifying epithelial odontogenic cyst

5. Which of the following is the most common lesion of the mandible?
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A. Squamous cell carcinoma

B. Adamantinoma

C. Osteogenic sarcoma

D. Osteoclastoma

6. Clear cells are commonly seen in which of the following lesions?
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A. Adenomatoid odontogenic tumor

B. Pleomorphic

C. Warthins tumor

D. Mucoepidermoid
7. Dentigerous cyst is suspected if the follicular space is more than:
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A. >5 mm

B. 3-4 mm

C. 1-2 mm

D. 2-3 mm

8. Odontogenic keratocyst has the following feature:____________?
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A. Has low recurrence rate

B. Can be treated by aspiration

C. Occurs due to infection periapically

D. Is developmental in origin
9. Ghost (shadow) cells are seen in:___________?
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A. Compound odontoma

B. Calcifying odontogenic cyst

C. Amebloblastic fibroodontoma

D. All of the above
10. The epithelium of a dentigerous cyst is:___________?
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A. 1-2 cell thick

B. 6-10 cell thick

C. 15-20 cell thick

D. 2-4 cell thick

11. The most common odontogenic cyst is:____________?
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A. Primordial cyst

B. Radicular cyst

C. Dentigerous cyst

D. Mucocele

12. Which of the following is wrong about keratocyst:
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A. Haw low recurrence rate

B. B and C

C. Has low protein content

D. High recurrence rate

13. A 36 year old man with an asymptomatic swelling in the body of the mandible with radiographic features of radiolucency with radiopaque flecks in suffering from:
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A. None of the above

B. Ameloblastoma

C. Odontogenic keratocyst

D. Calcifying epithelial odontogenic tumor (CEOT)
14. Nodular growth of alveolus is seen in:___________?
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A. Cementifying fibroma

B. All of these

C. Osteomas

D. Pagets disease

15. The Pathogenesis of Periapical Cyst is___________?
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A. None of the above

B. Proliferation of epithelium

C. Increased pressure within the cyst

D. Immune mediated bone destruction

16. Dentigerous cyst is likely to cause which neoplasia?
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A. Ameloblastoma

B. All of the above

C. Adeno carcinoma

D. Fibrosarcoma

17. A six year old child patient has blue-dome shaped swelling in posterior mandibular region, what will be the treatment plan?
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A. Reassure the patient without any treatment

B. Marsupialization

C. Surgical Excision

D. Excise the lesion

18. Pindborg tumor arises from:_________?
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A. Basal layer of cells

B. Stratum intermedium

C. Stratum corneum

D. Dental lamina

E. Both B & D
19. A patient with ameloblastoma of the jaw can best be treated by:_____________?
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A. Enucleation

B. Excision

C. Surgical removal followed by cauterization

D. Irradiation

20. After entering radiolucent lesion in a 30 years old man hollow cavity without epithelial lining is seen, the most probable diagnosis is:__________?
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A. Static bone cavity

B. Aneurysmal bone cyst

C. Ameloblastoma

D. Memorrhagic bone cyst
21. Multiple odontogenic keratocyst are associated with:____________?
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A. Grinspan syndrome

B. Goldenhars syndrome

C. Gardners syndrome

D. Gorlin-Goltz syndrome
22. Unicentric, non-functional, anatomically benign, clinically persistent tumor is:___________?
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A. Enameloma

B. CEOT

C. Odontoma

D. Ameloblastoma
23. Keratocyst has all of the following features except:___________?
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A. Low recurrence rate

B. It is more common in mandible

C. Expansion of bone clinically seen

D. May be filled with thin straw coloured fluid

24. A 40 year old woman has meloblastoma, the histomorphologic features will be:___________?
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A. Peripheral palisading with central stromal retraction artefact

B. Peripheral palisading cellular strand with central loose stellate reticulum

C. Peripheral palisading cellular strand with peripheral loose stellate reticulum

D. Central loose stellate reticulum shows marked nuclear atypia and numerous mitotic

25. Robinsons classification of ameloblastoma does not include:___________?
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A. Multicentric

B. Non-Functional

C. Anatomically benign

D. clinically persistent

26. Radiographic finding in pindborg tumour is:___________?
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A. Driven-snow appearance

B. Sun-burst appearance

C. Cherry -blossom appearance

D. Onion peel appearance

27. A multilocular cyst of the jaw is more likely:__________?
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A. Dental cyst

B. Dentigerous cyst

C. Simple bone cyst

D. Keratocyst
28. Basal layer in primordial cyst is arranged in the form of:_________?
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A. Tennis racket

B. Irregular

C. Linear

D. Picket fence
29. COC is now called as:___________?
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A. A & C

B. Dentinogenic ghost cell tumor

C. Odontogenic ghost cell tumor

D. Keratcysticodontogenic tumour

30. Which histopathological type of odontogenic keratocyst is commoner, more invasive & has a greater tendency for recurrence ?
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A. Diskeratinised

B. Non-Keratinised

C. Orthokeratinised

D. Parakeratinised
31. Multiple periapical radiolucencies are seen in:_________?
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A. thyroid disorders

B. Cherubism

C. Odontogenic keratocyst

D. Jawcyst basal cell Nevus Syndrome
32. Lesions associated with vital tooth?
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A. cementoma

B. Periapical abscess

C. condensing osteitis

D. None of the above

33. The most ideal expianation for recurrence of odontogenic keratocyst is:____________?
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A. Friability of the epithelial lining

B. Presence of satellite cysts or daughter cysts

C. Continued proliferation of rests of dental lamina

D. Increased mitotic activity of the epithelial lining

34. Adamantinoma is:_____________?
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A. All of the above

B. Also known as Amebloblastoma

C. is a complication of dentigerous cyst

D. A tumour from embrynomal cells of developing teeth

35. One of them is not a true cyst:__________?
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A. Nasolabial

B. Median palatal

C. Globulomaxillary

D. Nemorrhagic cyst
36. Multiple bilateral dentigerous cysts are seen in:___________?
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A. Teacher collin syndrome

B. Downs syndrome

C. Maroteaux lamy syndrome

D. Gorlin Goltz syndrome

37. Compound odontoma shows:______________?
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A. Haphazardly arranged calcified mass

B. All of the above

C. Mixed tissue of dental origin with no resemblance to tooth structure

D. Numerous tooth like structure with denticles commonly found in maxillary lateral incisors
38. Adenomatold odontogenic tumour is most commonly found in:
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A. Anterior maxilla

B. Ramus of mandible

C. Anterior mandible

D. Posterior maxilla

39. Adenomatoid odontogenic tumour is characterized histologically by:___________?
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A. Stellate shaped cells

B. Stratified squamous epithelial cells

C. Tubular / duct like cells

D. Polyhedral epithelial cells

40. Primordial cyst develops:______________?
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A. In mandibular body

B. In periapical region

C. In place of missing teeth

D. In teeth in which crown development is completed

41. Treatment for cementoma?
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A. Resection of jaw

B. Pulpectomy

C. No treatment

D. None of the above

42. Facial nerve paralysis is common with:___________?
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A. Epidermoid carcinoma

B. Warthins stumour

C. Pleomorphic adenoma

D. Lymphoepithelial carcinoma
43. Standard treatment of ameloblastoma:
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A. Enucleation

B. Enbloc resection

C. Segmental resection with 1 cm of normal bone

D. Enucleation with cauterization

44. The cyst with highest recurrence rate is:_____________?
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A. Nasoalveolar cyst

B. Keratocyst

C. Globulamaxilary cyst

D. Periapical cyst

45. A 25 year old male patient reports with bony expansile swelling of the right body of the mandible & mild paresthesia of the right IDN. OPG shows a multi locular radiolucency without root resorption. What would be your choice of next investigation?
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A. Excision biopsy

B. CT Scan

C. Pet Bone scan

D. Aspiration Cytology
46. Destructively invasive locally malignant with rare metastasis, the lesion is:
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A. Ameloblastoma

B. Fibroma

C. None of the above

D. Papilloma

47. Histopathological study of lichen planus shows:___________?
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A. Mixed cellular inflammatory infiltrate

B. Antiepithelial antibodies

C. Presence of T-lymphocytes predominantly

D. Scattered infiltrate with ill-defined lower border

48. Liquefaction foci of Miller is a histopathological observation in:
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A. Advanced dentinal caries

B. Early enamel caries

C. Advanced enamel caries

D. Cemental caries

49. In which of the following disorders a circulating antibody directed to intercellular cementing substance of stratified squamous epithelium is observed:_________?
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A. Lichen planus

B. Pemphigus vulgari

C. Verrucous vulgaris

D. Bullous pemphigoid

50. Horners syndrome Does NOT include_____________?
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A. Mydriasis

B. Ptosis

C. Flushing

D. Anhydrosis