medical MCQs – Page 318

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 Review each marked answer and report any item that may be outdated or unclear.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

6341. Lactobacilli are numerous in caious lesions because they______________?
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A. Are the main causative agent

B. Can attack to smooth enamel surfaces

C. Are secondary invaders

D. Can produce insoluble extracellular polysaccharides

6342. In a caries-free individual the saliva has_____________?
0

A. Independent of buffering capacity for acids

B. Medium buffering capacity for acids

C. High buffering capacity for acids

D. low buffering capacity of acids

6343. For a bacterium to be seriously considered in the etiology of dental caries, it must______________?
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A. Produce extracellular amylopectins

B. Be lethal for gnotobiotic animals

C. Produce intracellular dextrans

D. Exist regularly in the dental plaque

6344. Mobility of teeth in carcinoma of Maxillary sinus is due to involvement by tumor of_________________?
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A. Roof of the sinus

B. Posterior wall of the sinus

C. Floor of the sinus

D. Anterior wall of the sinus

6345. Which of the following is not hereditary________________?
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A. Dentinogenesis imperfecta

B. Amelogenesis imperfecta

C. Cleidocranial dysostosis

D. Regional odontodysplasia

6346. Which of the following dental sequel is likely in child with a history of generalized growth failure (failure to thrive) in the first 6 month of life_______________?
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A. Retrusive Mandible

B. Retrusive maxilla

C. Dentinogenesis imperfecta

D. Enamel hypoplasia

6347. Chemico-parasitic theory of dental caries is proposed by______________?
0

A. Miller

B. G.V black

C. Schwartz

D. Gottlieb

6348. Prolonged administrator of broad spectrum antibiotics results in the formation of_______________?
0

A. Geographic tongue

B. Median rhomboid glossitis

C. Black hairy tongue

D. Fissured tongue

6349. Globulamaxillary cyst is______________?
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A. A cyst present in the incisive canal

B. Soft tissue cyst present often between maxillary Lateral incisor and cuspid teeth

C. Often present between incisor and cuspid teeth but is a bone cyst

D. A cyst present between the midline of the palate

6350. Hairy tongue is characterized by____________?
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A. Hypertrophy of filiform papillae

B. Hypertrophy of fungiform papillae

C. Hypertrophy of circumvallate papillae

D. Hypertrophy of foliate papillae

6351. Pain, muscle tenderness, clicking or popping noise in T.M joint and limitation of jaw motion are the four cardinal signs and symptoms of_____________?
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A. Ostearthritis

B. Costens syndrome

C. Myofacial pain dysfunction syndrome

D. Traumatic arthritis of T.M J

6352. Cavity formation in a tooth, due to dental caries is due to______________?
0

A. Mastectomy force and unrelated to the extent of carious process

B. Destructive potential of streptococcus mutans

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

D. Destructive potential of lactobacillus acidophilus

6353. Tumors metastatic to the jaw bones are most likely to be found in the _________________?
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A. Maxillary tuberosity

B. Mandibular condyle

C. Anterior maxilla

D. Posterior moral region

6354. Clear cells are seen in__________________?
0

A. Chondrosarcoma

B. Ewings sarcoma

C. Fibrosarcoma

D. Osteosarcoma

6355. Which of the following conditions is least likely to present as an eccentric osteolytic lesion ______________?
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A. Fibrous cortical defect

B. Aneurysmal bone cyst

C. Simple bone cyst

D. Giant cell tumour

6356. Tumor represented T2 N2 M0 is classified as_______________?
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A. Stage II

B. Stage I

C. Stage III

D. Stage IV

6357. Estesin pearls are cysts that arise from_________________?
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A. Connective tissue of the mucosa

B. Squamous tissue of the mucosa

C. Rests of malassez

D. Dental lamina

6358. A dens in dente is usually caused by_______________?
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A. Denticle formation within the pulp tissue

B. An abnormal proliferation of pulp tissue

C. A supernumerary tooth bud enclaved within a normal tooth

D. A deep invagination of the enamel organ during formation

6359. A 10-years-old child presents with anemia and recurrent fractures. The X-ray shows diffuse hyper density of bone The diagnosis is most likely to be______________?
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A. Osteochondroma

B. Osteogenesis imperfecta

C. Osteopetrosis

D. Hyperparathyroidism

6360. On biopsy report of CGCG on the basis of histologically & morphological similarities differential diagnosis is made between____________?
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A. Fibrous dysplasia

B. Osteitis deformans

C. Hyperthyroidism

D. Hyperparathyroidism

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