oral pathology and medicine MCQs – Page 23

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

oral pathology and medicine Mcqs
441. Which of the following is NOT a clinical feature of Pierre-Robin syndrome ?
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A. Coloboma of lower eyelid

B. Glossoptosis

C. Retrognathia

D. Micrognathia

442. Commonest site of carcinoma of tongue____________?
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A. Ventral surface

B. Posterior one third

C. Tip of tongue

D. Lateral margin
443. Clavicle is absent is______________?
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A. Osteogenesis imperfecta

B. Osteopetrosis

C. Cleidocranial dysostosis

D. Fibrous dysplasia

444. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?
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A. Dilaceration

B. Gemination

C. Concrescence

D. Fusion
445. The torus mandibularis most commonly seen in the region of______________?
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A. Premolar region

B. Molar region

C. Incisor region

D. Canine region

446. Which of the following is an oral precancer ?
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A. White spongy naevus

B. Leukemia

C. Oral hairy leukoplakia

D. Speckled Leukoplakia
447. Mulberry molars are characteristic features of_____________?
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A. Due to chronic suppurative abscess in over lying gingival tissue

B. congenital syphilis

C. Trauma at the time of birth

D. Severe flurosis

448. The term dilaceration refers to______________?
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A. A deformity of a tooth consisting of a sharp bend bend in the root

B. A tooth that is fractured at two or more places

C. A root or tooth that is split into two

D. Abrasions on two surfaces of single tooth

449. Cysts associated with vital teeth are_______________?
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A. Dentigerous cyst, Globulomaxillary cyst, radicular cyst

B. Dentigerous cyst OKC, radicular cyst

C. Dentigerous cyst, Globulomaxillary cyst, lateral periodontal cyst, OKC

D. B & C

450. A patient with carinoma cheek has tumor of 2.5 cms located close to and involving the lower alveolus. A single mobile homolateral node measuring node measuring 6 cm is palpable. Based on these clinical findings TNM stage of the tumor is______________?
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A. T1 N1 Mo

B. T3 N1 Mo

C. T4 N2 Mo

D. T2 N2 Mo
451. The most common bone cancer is______________?
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A. Squamous cell carcinoma

B. Multiple myeloma

C. Metastatic bone cancer

D. Osteosarcoma

452. Amelogenesis imperfecta is a disorder of_____________?
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A. Endoderm

B. Mesoderm

C. Ectoderm

D. Ecto and Mesoderm

453. In Hypodontia, the most commonly affected tooth is_______________?
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A. Permanent second premolar

B. Permanent third molar

C. Permanent Canine

D. Permanent lateral incisor

454. A girl suffering from browing of teeth, wearing of enamel but not cavitory, OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers 2 are suffering from the same disease, She is suffering from_______________?
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A. Odontodysplasia

B. melogenesis imperfecta

C. Flurosis

D. Dentinogenesis imperfecta

455. Biochemical abnormality associated with osteogenesis imperfecta is increase in______________?
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A. Alkaline phosphatase

B. Acid phosphatase

C. Bicarbonate ion

D. Phosphorylase enzyme
456. Persons with the greatest risk of oral cancer_______________?
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A. Have a poor oro-dental hygiene, nutritional deficiencies and are chronic alcoholics

B. Are middle aged have a poor oro-dental hygiene and regularly use tabacco

C. Are young, have poor oro-dental hygiene and are heavy smokers

D. Are old, chronic alcoholics and regularly and regularly use tobacco
457. Which of the following organisms is found in deep carious lesions rather than in incipient lesions ?
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A. Bateroides

B. Lactobacilli

C. Veillonella

D. Streptococci

458. Of the following which is most common disorder causing pain about the masticatory apparatus including the TMJ_____________?
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A. Myofacial pain dysfunction syndrome

B. Traumatic arthritis

C. Trigeminal neuralgia

D. Degenerative arthritis

459. Least cariogenic among these______________?
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A. Fructose

B. Sucrose

C. Cooked starch

D. Raw starch
460. Brittle bone syndrome is caused by______________?
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A. Increase osteoclastic activity

B. Increase fibroblastic activity

C. Polymerisation of collagen

D. Improper synthesis of procollagen