medical MCQs – Page 310

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

6181. 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

6182. Tumour that doesnt show spontaneous regression______________?
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A. Neuroblastoma

B. Malignant melanoma

C. Octeosarcoma

D. Retinoblastoma

6183. 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

6184. 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

6185. 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

6186. Complication of Rheumatoid arthritis of condyle is______________?
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A. Subluxation

B. None of the above

C. Fibrous ankylosis

D. Dislocation

6187. 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

6188. 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
6189. 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

6190. 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

6191. 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

6192. 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
6193. 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
6194. 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

6195. 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

6196. All of the following malignancies metastasize except____________?
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A. Adenocarcinoma

B. Melanoma

C. Squamous cell carcinoma

D. Basal cell carcinoma
6197. 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

6198. Organism involved in smooth surface caries is____________?
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A. ampylobacter

B. treptococcus mutans

C. ctinomyces viscosus

D. actobacillus

6199. Immature bony trabeculae are found in_____________?
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A. Fibrous dysplasia

B. Rickets

C. Cleidocranial Dysplasia

D. Pagets disease

6200. The attachment of the Actinomyces species to the tooth surface is facilitated by____________?
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A. Cilia

B. Flagella

C. Fimbriae

D. Pseudopodia