Which of the following is an oral precancer ?

Related Mcqs:

1. Oral lesions on the tongue and other mucosal surfaces of the oral cavity is caused by the deficiency of_______________?

   A. Vit – B1
   B. Niacin
   C. Vit – C
   D. Vit – K

2. A patient on warfarin sodium following myocardial infarction reports for an oral surgical procedure which one of the following laboratory tests should be preferred to ascertain the fitness_______________?

   A. Prothrombin time
   B. Tourniquet time
   C. Clotting time
   D. Bleeding time

3. Oral hairy leukoplakia is seen in which of the following conditions ?

   A. AIDS
   B. Hepatitis B
   C. Smoker’s keratitis
   D. Candidiasis

4. The oral mucosa becomes rigid, blanched and opaque in which of the following conditions?

   A. Pemphigus vulgaris
   B. Lupus erythematoses
   C. Ehlers-Danlos syndrome
   D. Submucous fibrosis

5. The following lesion is a doubtful premalignant lesion for oral malignancy________________?

   A. Leukoplakia
   B. Chronic hyperplastic candidiasis
   C. Erythroplakia
   D. Oral lichen planus

6. Which of the following oral structures are not effected in leprosy_______________?

   A. Gingiva
   B. Tongue
   C. Hard palate
   D. Soft palate

7. Pigmentation occurs in oral cavity and skin in all of the following except_______________?

   A. Peutz-jeghers syndrome
   B. Addision’s syndrome
   C. Cushing syndrome
   D. Albright syndrome

8. Which of the following does not cause oral cancer in children ?

   A. Herpes simplex
   B. Esptein bar
   C. Cytomegalovirus
   D. Varicella zoster

9. A twenty-one-year-old woman complains that regular, gentle brushing of her teeth is painful besides causing profuse bleeding. Oral examination reveals the loss of epithelium from the attached gingival of both arches. Which of the following dermatological problems is this patient most likely to have?

   A. Benign mucous membrane pemphigiod
   B. Chronic discoid lupus erythematosus
   C. Pemphigus
   D. Psoriasis

10. Oral diagnostic features of scleroderma include all of the following, except:__________?

    A. A hard and a rigid tongue
    B. Widening of the oral aperture
    C. Pseudo ankylosis of the T.M joint
    D. Difficulty in swallowing