A young woman is admitted to the hospital, patechiae on the oral mucous membrane and marginal gingival haemorrhage are noted. Platelet count is 45,000/mm cube, with increase in bleeding and clot retraction time. The RBC and differential count are normal. Probable diagnosis is 1) Infectious mononucleosis 2) Thrombocytopenic purpura 3) Haemophilia 4) None of the above
Oral PathologyAnswer: 2
Which of the following is a true cyst? 1) Aneurysmal bone cyst 2) Gingival cyst of the newborn 3) Haemorrhagic bone cyst 4) All of the above
Oral PathologyAnswer: 2
Turner tooth is seen in 1) Enamel hypoplasia due to hypocalcaemia 2) Enamel hypoplasia due to birth injuries 3) Enamel hypoplasia due to congenital syphilis 4) Enamel hypoplasia due to local infection or local trauma
Oral PathologyAnswer: 4
A 4-year-old child has less number of teeth and lateral incisors with bifurcated roots with two root canals is called 1) Dilaceration 2) Concrescence 3) Fusion 4) Gemination
Oral PathologyAnswer: 3
Granular cell myoblastoma of tongue is 1. Benign tumour 2. Malignant tumour of the tongue 3. Lymphatic enlargement of the tongue 4. Developmental anomaly of the tongue
Oral PathologyAnswer: 1
A thin blue-black line in the marginal gingiva and similar pigmentation in other areas of the oral cavity may occur in cases of
1. mercury poisoning
2. bismuth poisoning
3. argyria
4. arsenic poisoning
Oral PathologyAnswer: 2
The most common bone cancer is 1) Osteosarcoma 2) Metastatic bone cancer 3) Multiple myeloma 4) Squamous cell carcinoma
Oral PathologyAnswer: 2
Miller"s liquefaction foci are present in 1) Lichen planus 2) Dental caries 3) Erythroplakia 4) Bullous pemphigoid
