oral pathology and medicine MCQs – Page 16

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

oral pathology and medicine Mcqs
301. Which of the following conditions is characterized by abnormally large pulp chambers ?
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A. Dentinal dysplasia type I

B. Amelogenesis imperfecta

C. Dentinogenesis imperfecta

D. Regional odontodysplasia
302. Geographical tongue, all are true except______________?
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A. May be related to emotional stress

B. Lesions may be Bilaterally symmetrical on tongue

C. No treatment is required

D. Is a precancerous condition
303. Bacteria responsible for initiation of caries is _________________?
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A. Actinomyces

B. Strep. viridans

C. Lactobacillus

D. Strep. mutans
304. Mutation in GNAS 1 gene is associated with________________?
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A. Focal cementoosseous dysplasia

B. Fibrous dysplasia

C. Periapical cementoosseous dysplasia

D. Ossifying fibroma

305. Tumour that doesnt show spontaneous regression______________?
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A. Neuroblastoma

B. Malignant melanoma

C. Octeosarcoma

D. Retinoblastoma

306. Fusion of teeth is more common in_______________?
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A. Permanent dentition

B. Mixed dentition

C. Primary dentition

D. None of the above

307. Downs syndrome is associated with all except__________________?
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A. Delayed eruption of deciduous teeth

B. Premature loss off deciduous teeth

C. Retrognathia

D. Periodontal disease

308. Pierre Robin syndrome is associated with______________?
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A. Tetrology of fallot

B. Syndactally

C. Micrognathia

D. Cleft of the lip and plate

309. Complication of Rheumatoid arthritis of condyle is______________?
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A. Subluxation

B. None of the above

C. Fibrous ankylosis

D. Dislocation

310. A union of the roots of adjacent teeth through the cementum is referred to as_____________?
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A. Concrescence

B. None of the above

C. Gemination

D. Fusion

311. Taurodontism is characterized by_____________?
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A. Obliterated pulp chambers with secondary dentine deposition

B. Hypercementosis

C. Rootless teeth with thin shell of enamel

D. Elongated wide pulp canals and short roots
312. Which of the following diseases of the bone characteristically exhibits (in contrast to the other three conditions) a single lesion in a single bone ?
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A. Central giant cell granuloma

B. Polyostotic fibrous dysplasia

C. Pagets disease of the bone

D. Osteopetrosis

313. On clinical examination a 60 years old female had a tumor in the right buccal mucosa. The size of the tumor was about 2 cm in diameter. There was no involvement of regional lymph nodes and also had no distant metastasis The TNM stage of the tumor is____________?
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A. T1 No Mo

B. T2 No Mo

C. T1 N2 Mo

D. T1 NI Mo

314. Turners hypoplasia most commonly affects________________?
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A. Permanent maxillary anteriors

B. Deciduous mandibular anteriors

C. Deciduous maxillary anteriors

D. Permanent manibular anteriors

315. Which of the following dentitions shows the highest frequency of ocurrence of supernumerary teeth ?
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A. Mandibular deciduous dentition

B. Mandibular permanent dentition

C. Maxillary deciduous dentition

D. Maxillary permanent dentition
316. The treatment for a child with cherubism is______________?
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A. Enbloc dissection

B. surgical excision

C. radiation

D. cosmetic surgery after puberty
317. In which one of the following perineural invasion in head and neck cancer is most commonly seen ?
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A. Adenocarcinoma

B. Adenoid cystic carcinoma

C. Squamous cell carcinoma

D. Basal cell adenoma

318. Presence of Epstein Barr virus in hairy leukoplakia can be demonstrated using following methods EXCEPT_____________?
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A. Polymerase chain reaction

B. Tzanck smear

C. In situ hybridization

D. Electron microscopy

319. All of the following malignancies metastasize except____________?
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A. Adenocarcinoma

B. Melanoma

C. Squamous cell carcinoma

D. Basal cell carcinoma
320. A man who had suffered from displaced fracture of mandible complains of pain in-old fracture site near mental foramen. There is a movable tender mass on palpation in the area The best preoperative diagnosis is_______________?
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A. Neurofibroma

B. Traumatic neuroma

C. Neuroleiomyoma

D. Trigeminal neuralgia