oral pathology and medicine Mcqs
501. 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

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

B. Impacted permanent teeth

C. Osteosarcoma

D. Osteomas

503. 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

504. Which of the following is Fissural cyst is_______________?
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A. Dentigerous cyst

B. Nasopalatine cyst

C. Radicular cyst

D. Primordial cyst

505. In children the most frequently missing permanent teeth are________________?
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A. Mandibular lateral incisors

B. Max. lateral incisors

C. First premolars

D. Second Premolars

506. Geographic tongue is of red colour because of________________?
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A. Infiltration of eosinophils

B. Infiltration of neutrophils

C. Both of the above

D. None of the above
507. According to Veaus classification of cleft lip & palate, isolated cleft palate falls under______________?
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A. Group II

B. Group I

C. Group III

D. Group IV

508. The syndrom which consists of cleft palate micrognathia and glossoptosis is known as_____________?
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A. Pagets disease

B. PierreRobin syndrome

C. Marfans syndrome

D. Crouzons syndrome

509. The most likely diagnosis in a 23 year old, mentally alert, male dwarf with disproportionate arm and leg to body growth, prominent forehead and retruded maxilla is_______________?
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A. Cretinism

B. Acromegaly

C. Pituitary dwarfism

D. Achondroplasia
510. The granulomatous tissue that is responsible for destruction of articular surfaces of TMJ in rheumatoid arthritis is known as________________?
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A. Bakers cyst

B. Pulse granuloma

C. Pannus

D. Immune granuloma

511. Alkaline phosphatase increases in_____________?
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A. Cherubism

B. A and D

C. Pagets disease

D. Fibrous dysplasia

E. Osteopetrosis

512. Ammonia causes______________?
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A. Decrease in plaque formation

B. Causes precipitation of salivary proteins

C. Increase in calculus formation

D. Increase in plaque formation

513. Shell teeth are more common in this variant of dentinogenesis imperfecta________________?
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A. Type II

B. Type I

C. Type IIII and I

D. Type III

514. Which of the following features are of naso alveolar cyst_______________?
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A. An inverted funnel shaped radiolucent lesion above the roots of lateral incisor and canine teeth

B. A pear shaped radiolucent lesion between roots of lateralincisor and canine teeth

C. An avoid shaped radiolucency above the lateral incisor and canine teeth

D. Erosion of base above lateral incisor and canine teeth
515. Steriform pattern of fibrous tissue is seen in _______________?
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A. Nerufibroma

B. Fibrosarcoma

C. Ameloblastic fibroma

D. Malingant fibrous histiocytoma
516. Multiple punched out lesion are seen in__________?
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A. Pagets dissease

B. Osteosarcoma

C. Ewing sarcoma

D. Multiple myeloma
517. Puetz-Jegher syndrome is characterised by_______________?
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A. Multiple intestional polyps

B. Deafness

C. Multiple supernumerary teeth

D. scleroderma

518. Pioneer bacteria in dental caries are in_____________?
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A. Cementum

B. Dentin

C. Enamel

D. Pulp

519. The dietary carbohydrate most likely involved in etiology of dental caries in man is____________?
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A. Dextran

B. Polysaccharide

C. Glucose

D. Sucrose
520. A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?
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A. Neonatal hypoplasia

B. Cleidocranial dysplasia

C. Dentinogenesis imperfecta

D. Amelogenesis imperfecta

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

541. Most common site for melanotic neuroectodermal tumour of infancy is (MNTI)_______________?
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A. Cervical spine

B. Maxila

C. Mandible

D. Ethmoid bone

542. Definitive diagnosis of oral cancer is made by________________?
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A. Complete radiographic survey

B. Exfoliative cytology

C. Pantograph

D. Biopsy
543. Swelling and redness of the orifices of minor salivary glands of the palate occurs in_________?
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A. Erythroplakia

B. Leukoplakia

C. Fovea Palatine

D. Nicotinic stomatitis
544. Absence of pulp chambers is seen in_______________?
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A. None of the above

B. Dentinogenesis imperfecta

C. Craniofacial dysostosis

D. Amelogenesis imperfecta

545. 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. Cleidocranial dysplasia

C. cherubism

D. Congenital hyperthyroidism
546. The number of dentinal zones in dentinal caries is_____________?
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A. Five

B. Four

C. Two

D. One

547. Submerged teeth are________________?
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A. Intruded teeth

B. Impacted teeth

C. Ankylosed teeth

D. Unerupted teeth

548. True ankyloglossia occurs as a result of________________?
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A. Lingual frenum attached to the tip of tongue

B. Absence of lingual frenum

C. Union between tongue and floor of mouth

D. Short lingual frenum

549. Which of the following vitamin in associated with manifestations of neurological problem________________?
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A. Folic acid

B. Vit K

C. Vit A

D. Cyanacobalamin
550. Which of the following statement is true ?
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A. Kaposi sarcoma is malignant fast growing tumour

B. Kaposi sarcoma is an ectodermal derivative

C. Kaposi sarcoma is found in HIV positive subjects

D. Kaposi sarcoma is a benign tumour