The common site of melanoma on the orofacial skin is_____________? A. Lower lipB. Malar region C. Forehead D. Upper lip

Yellowish discolouration of oral mucous membrane, skin and sclera of eye is______________? A. Pernicious anemia B. Sickle cell anemia C. Chloromycin therapyD. Carotinemia

All of the following are seen in lead poisoning except_____________? A. Hallucinations B. GIT disturbances C. Peripheral neuritis D. Encephalitis

Mucocutaneous circumoral pigmentation is found in_____________? A. Peutz-Jeghers syndrome B. Plummer-Vinson syndrome C. Lead poisoning D. Bechet’s syndrome

Tetracycline stains appear as______________? A. Yellow and brown stains in enamel and dentin B. Yellow and brown stains only in enamel C. Yellow and brown stains only in dentin D. Only yellow stain in enamel

Port wine stains are seen in______________? A. NevusB. Haemangioma C. Melanoma D. All of the above

Patient reports with discolored teeth bearing brown stains. The teeth glow fluorescent in UV light. The most likely diagnosis is____________? A. Porphyria B. Amelogenesis imperfecta C. Hutchinson’s teethD. Tetracycline staining of teeth

Yellowish discoloration of teeth is seen in children fed on_____________? A. High-protein dietB. Tetracyclines C. penicillins D. Erythromycin

The pigment associated with hemochromatosis is_______________? A. BiliribinB. Haemosiderin C. Methemoglobin D. Myoglobin