medical MCQs – Page 20

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 Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

381. Which one of the following is the cause of dilacerations ?
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A. Trauma to the tooth germ during root development

B. Abnormal displacement of ameloblasts during tooth formation

C. Abnormal proliferation of enamel epithelium during tooth development

D. Abnormal displacement of tooth germ during root development

382. Which of the following lesions does not give blood on aspiration_______________?
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A. Central giant cell granuloma

B. Heamagioma

C. Static bone cyst

D. Aneursycimal bone cyst

383. Cavity formation in a tooth, due to dental caries is due to______________?
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A. Mastectomy force and unrelated to the extent of carious process

B. Lateral spread of caries along DE junction and weakening of the outer covering enamel

C. Destructive potential of streptococcus mutans

D. Destructive potential of lactobacillus acidophilus

384. Which of the following organisms is found in deep carious lesions rather than in incipient lesions ?
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A. Bateroides

B. Veillonella

C. Lactobacilli

D. Streptococci

385. Failure of descent of thyroid analage can be seen in the tongue______________?
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A. In anterior 2/3 of dorsal aspect

B. In posterior 1/3 of dorsal aspect

C. In anterior 2/3 of inferior surface

D. Near the base of tongue close to foramen caecum

386. Downs syndrome is associated with all except__________________?
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A. Periodontal disease

B. Premature loss off deciduous teeth

C. Retrognathia

D. Delayed eruption of deciduous teeth

387. The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________?
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A. Negligence in visiting the dentist

B. Rapid growth

C. Frequency of sucrose intake

D. Carelessness in oral hygiene habits

388. A patient complains of loss of visual acuity, deafness and enlargement of maxilla_______________?
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A. Osteomalacia

B. Fibrous dysplaisa

C. Osteogenesis imperfecta

D. Pagets disease

389. Which tooth in the permanent dentition is the most susceptible to dental caries ?
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A. Maxillary 2nd molar

B. Mandibular 2nd molar

C. Mandibular 1st molar

D. Maxillary 1st premolar

390. Delayed eruption of at least part of dentition is a recognized feature of all of the following except_____________?
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A. Rickets

B. cherubism

C. Cleidocranial dysplasia

D. Congenital hyperthyroidism

391. A deep pit lined by enamel seen in the lingual surface of Maxillary lateral incipor is most likely to be_______________?
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A. Enamel Pearl

B. Dens in dente

C. Enamel Hypoplasia

D. Talons cusp

392. A patient 18 years of age with sebaceous cysts on the scalp and back of the neck an osteroma on the right mandible: Radiographs reveal multiple impacted supernumerary teeth in both jaws. These findings suggest_______________?
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A. Cleidocranial dysostosis

B. Ectodermal dysplasia

C. Osteogenesis imperfecta

D. Gardners syndrome

393. Developmental enamel defects are most commonly seen in_______________?
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A. Permanent incisors

B. Permanent 1st molar

C. Primary 2nd molar

D. Primary incisors

394. Clear cells are seen in__________________?
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A. Chondrosarcoma

B. Fibrosarcoma

C. Ewings sarcoma

D. Osteosarcoma

395. Lingual tonsils arise___________________?
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A. Due to repeated trauma in the area

B. From carcinomatous transformation

C. As a result of hyperpalsia

D. As developmental anomalies

396. The following lesion is a doubtful premalignant lesion for oral malignancy________________?
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A. Erythroplakia

B. Leukoplakia

C. Oral lichen planus

D. Chronic hyperplastic candidiasis

397. Odontodysplasia is most common in_________________?
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A. Mandibular canine

B. Mandibular third molar

C. Maxillary central incisor

D. Mandibular premolar

398. Which of the following conditions is characterized by abnormally large pulp chambers ?
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A. Amelogenesis imperfecta

B. Regional odontodysplasia

C. Dentinal dysplasia type I

D. Dentinogenesis imperfecta

399. A neuralgia with trigger zones in the oropharynx and pain in the ear pharynx, nasopharynx, tonsils and posterior tongue is most likely_______________?
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A. Glossopharyngeal neuralgia

B. Bells palsy

C. Sphenopalatine neuralgia

D. Trigeminal neuralgia

400. Which syndrome consists of flushing, warmness and perspiration over the cheek and pinna of the ear on the side following the ingestion of highly seasoned food ?
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A. Cushins

B. Horners

C. Fanconis

D. Auriculotemporal

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