Tissue removed for microscopic examination should be immersed immediately in 1) 10 % alcohol 2) 10 % formalin 3) 10 % formaldehyde 4) 95 % formalin
Oral PathologyAnswer: 2
Heterophil antibody test is used in the diagnosis of 1) Herpes simplex 2) Herpes zoster 3) Measles 4) Infectious mononucleosis
Oral PathologyAnswer: 4
Which of the following diseases are characterized by absence of lamina dura, hypocalcified dentine, elongated pulp horns, periapical infection with multiple periapical fistulas 1) Paget"s disease 2) Primary hyperthyroidism 3) Vit D resistant rickets 4) Hypophosphatasia
Oral PathologyAnswer: 3
The term "field cancerization" or "preparation" referes to 1) Inducing cancer by chemicals at particular site or field 2) Presence of multiple anatomically separate carcinomatous lesions at same or different intervals of time 3) Presence of precancerous lesions at different fields and intervals preparing for formation of cancer 4) None of the above
Oral PathologyAnswer: 2
A maxillary central incisor with a non- vital pulp and with a periapical radiolucency is properly treated and the root canal filled Radiographic resolution of the periapical lesion will occur within
1. 2-3weeks
2. 1 - 2 months
3. 6-12 months
4. 2-3years
Oral PathologyAnswer: 3
A white patch that cannot be rubbed off form oral mucous and not related to any other disease is a feature of 1. Lichen planus 2. Erythroplasia 3. Leukoplakia 4. Squamous cell carcinoma
Oral PathologyAnswer: 3
Which of the following is least affected in vit C deficiency 1) Gingival fibres 2) Periodontal ligament 3) Blood vessels of the gingival 4) Epithelial lining of the mucosa
Oral PathologyAnswer: 4
Characteristic dental findings of cleidocranial dysostosis include 1) Increased caries susceptibility 2) Enamel hypoplasia and lack of enamel formation 3) Juvenile periodontitis and subsequent premature loss of teeth 4) All of the above
