oral pathology and medicine MCQs – Page 27

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

oral pathology and medicine Mcqs
521. A 15 years old boy reports with a rapidly growing swelling of the mandible with intermittent pain patient history is that the swelling occurred after an episode of trauma Radiographs reveal formation of new subperiosteal bone producing Onion skin appearance The patient also has lip paresthesia elevated white blood cell count Based on the clinical and radiographic picture, one of the following condition could be considered in the provisional diagnosis_________________?
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A. Fracture of the jaw with cancellous bone formation

B. Burkitts Lymphoma

C. Ewings sarcoma

D. Chronic suppurative osteomyelitis

522. Which of the following lesions does not give blood on aspiration_______________?
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A. Heamagioma

B. Static bone cyst

C. Aneursycimal bone cyst

D. Central giant cell granuloma

523. Which of the following teeth is most likely to be congenitally missing ?
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A. Maxillary first premolar

B. Maxi. central incisor

C. Mandibular canine

D. Mand. second premolar
524. What is the PH at which initiation of caries begin ?
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A. 3.5-4.5

B. 5.2-5.5

C. 4.9-5.1

D. 4.3-4.5

525. Caries, all are true except______________?
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A. Pit and Fissure caries can be prevented by using pit and tissue sealants

B. Lactobacillus is main acusative organism in plaque

C. Smooth surface caries occur due to streptococcus mutans

D. Fluorides help in reducing caries incidence

526. A child has marked difference of crown, root size, eruption pattern of left & right side of jaw. The condition is______________?
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A. Achondroplasia

B. Hemifacial hypertrophy

C. Crouzan syndrome

D. Cherubism

527. The cyst which is found within the bone at the junction of teh globular process, the lateral nasal process & maxillary process is______________?
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A. Naso palatine cyst

B. Globulomaxillary cyst

C. Naso-alveolar cyst

D. Mid palatine cyst

528. The enzyme glucosyl transferase secreted by Streptococcus mutans sythesizes glucans from_____________?
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A. Sucrose

B. Glucose

C. Fructose

D. Lactose

529. Animals maintained in germ free environmental did not develop caries even when fed on a high carbohydrate diet is given by_____________?
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A. Gottlieb

B. Synder

C. Orland and Fizgerald

D. Miller

530. 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 Hypoplasia

B. Talons cusp

C. Dens in dente

D. Enamel Pearl

531. Facial edema, cheilitis granulomatosa and a fissured tongue characterize which of the following syndromes ?
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A. Teacher Collins

B. None of the above

C. Frey

D. Melkerson-Rosenthal
532. In the earliest stages of carious lesion. There is loss of______________?
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A. Enamel lamellae

B. Interprismatic substance

C. Enamel cuticle

D. Organic matrix

533. Teratoma is best describad as______________?
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A. Associated with very painful condition

B. Originates from mesodermal tissue

C. Namartous developmental manifestation consisting of three different layers

D. Occurs most commonly in stomach and lungs

534. Anodontia affects the growth of________________?
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A. Mandible

B. Alveolar bone

C. Maxilla

D. Cranium

535. Lingual tonsils arise___________________?
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A. As developmental anomalies

B. As a result of hyperpalsia

C. Due to repeated trauma in the area

D. From carcinomatous transformation

536. Peg-shaped incisors which taper towards the incisal edge are typically seen in all of the following conditions EXCEPT______________?
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A. Rickets

B. Anhidrotic ectodermal dysplasia

C. Congenital syphilis

D. Supernumerary teeth

537. A developmental abnormality characterized by the presence of fewer than the usual number of teeth is_____________?
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A. Dens is dente

B. Oligodontia

C. Microdontia

D. Anodontia

538. The most pronounced effect on the oral microflora of a reduction in rate of salivary flow is a_____________?
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A. Significant decrease in number of oral bacteria

B. Significant increase in number of oral bacteria

C. Shift towards more aerobic microflora

D. Shift towards more acidogenic microflora
539. True generalized microdontia is characterized by______________?
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A. Large teeth with small jaws

B. Small teeth with large jaws

C. Smaller teeth than the normal

D. Small teeth with small jaws

540. All are true about supernumerary tooth except_______________?
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A. More common in mandible

B. Disto molars doesnt resemble any other tooth

C. May have resemblance to normal teeth

D. Mesiodens is the most common supernumerary tooth