medical MCQs – Page 319

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 Review each marked answer and report any item that may be outdated or unclear.

6361. Starch is considered to be less cariogenic than monosaccharides and disaccharides because it_______________?
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A. Does not diffuse through plaque

B. Raises the PH in the oral cavity

C. Enhances remineralisation

D. Is rapidly hydrolysed in the mouth

6362. Hypodontia is mainly found in all except___________?
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A. Cleidocranialdysostosis

B. Papillion levefre syndrome

C. Osteopetrosis

D. Ectodermal dysplasia

6363. Teeth that erupt with in 30 days of birth are called________________?
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A. Prenatal teeth

B. Natal teeth

C. Neonatal teeth

D. Primary teeth

6364. Small palpable mass elevated above the epithelial surface is_____________?
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A. Plaque

B. Macule

C. Papule

D. Vesicle

6365. Which of the following has the potential of undergoing Spontaneous malignant transformation _____________?
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A. Osteogenesis imperfecta

B. Pagets disease of bone

C. Osteomalacia

D. Albrights syndrome

6366. The condition involved with an unerupted tooth or impacted tooth is _________________?
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A. Dentigerous cyst

B. All of the above

C. Adenomatoid odontogenic tumor

D. Mural ameloblastoma

6367. Dental caries is associated with_____________?
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A. Streptococcus mutans

B. Streptococcus anginosus

C. Streptococcus bovis

D. Streptococcus agalactiae

6368. Bifid tongue a congenital anomaly occurs due to non-fusion of____________?
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A. Tuberculum impar and lateral lingual swellings

B. Some of the above

C. Hypobranhiral eminence and tuberculum impar

D. The two lateral lingual swellings
6369. A 4-year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals is called_____________?
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A. Concrescence

B. Dilaceration

C. Fusion

D. Gemination

6370. Which tooth in the permanent dentition is the most susceptible to dental caries ?
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A. Maxillary 1st premolar

B. Mandibular 1st molar

C. Mandibular 2nd molar

D. Maxillary 2nd molar

6371. Early invading bacteria in carious lesions are called___________?
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A. Pioneer bacteria

B. Anaerobic bacteria

C. Microcosm

D. Advancing bacteria

6372. The corrct order of microscopic zones of dentinal caries starting from the D.E junction is_______________?
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A. Zone of sclerosis, backterial invasion, decalcification zone

B. Decalcification zone, zone of scierosis, backterial invasion

C. Zone of sclerosis, decalcification zone, bacterial invasion

D. Bacterial invasion, decalcification zone, zone of sclerosis
6373. Tobacco usage has been associated with_____________?
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A. None of the above

B. Hyperkeratosis

C. Erythema

D. Ulceration

6374. A 3-year old patient reports of painless progressive bilateral facial swellings. The tentative diagnosis is______________?
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A. Monostotic fibrous dysplasia

B. Ployostotic fibrous dysplasia

C. Cherubism

D. Central giant cell granuloma

6375. The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________?
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A. Carelessness in oral hygiene habits

B. Negligence in visiting the dentist

C. Rapid growth

D. Frequency of sucrose intake
6376. A bony hard asymptomatic swelling found on the midline of the hard palate that appears radiopaque on a radiograph is most likely a__________________?
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A. Boney cyst

B. Myxoma

C. Odontoma

D. Torus palatinus
6377. Normal serum, Ca nd alkaline PO4 are in________________?
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A. Pagets disease

B. Hypothyroidism

C. Hyperparathyroidism

D. Cherubism
6378. The extra cellular polysaccharide sythesized by cariogenic streptococci in the presence of excess sucrose are best described as_______________?
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A. Dextran-like glucan

B. Amylopectin

C. Mucopolysaccharide

D. Glycogen like glucan

6379. Gardner syndrome does not include______________?
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A. Epidermoid cysts

B. Impacted permanent teeth

C. Osteosarcoma

D. Osteomas

6380. A patient complains of loss of visual acuity, deafness and enlargement of maxilla_______________?
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A. Fibrous dysplaisa

B. Pagets disease

C. Osteomalacia

D. Osteogenesis imperfecta