Acquired, symmetric hyper pigmentation of the sun exposed skin of the face & neck which is strongly associated with pregnancy & use of oral contraceptives is called as: A. Melanoma B. Cafe-au-lait-spots C. Freckle D. Melasma
Pink’s disease is due to: A. Toxicity of silver B. Toxicity of Mercury C. Toxicity of lead D. Toxicity of Tetracycline
Cafe-au-lait spots on the skin are characteristic of: A. Addision’s disease B. Peutz-Jeghers syndorme C. Von recklinghausen disease D. Hyper pituitarism
Green discoloration of teeth is seen in: A. Tetracycline therapy Fluorosis B. Fluorosis C. Erythroblastosis fetalis D. None of the above
In peutz-Jeghers syndrome, the oral lesions are: A. Ulcerations of oral mucosa B. Sebaceous glands of oral mucosa C. Silver pigmentation of oral mucosa D. None of the above
A patient showing brownish pigmentation and with normal laboratory findings may be suffering from: A. Addison’s disease B. fibrous dysplasia C. Neuro fibromatosis D. None of the above
Green stains which occur frequently in children are due to: A. Enamel deficiency B. Dentin deficiency C. Material alba D. Chromogenic bacteria
Disease which increase oral melanin pigmentation: A. addison’s disease B. Hyperthyroidsim C. Nephritis D. All of the above
The most common intraoral location for a pigmented nevi is the: A. Hard palate B. Soft palate C. Buccal mucosa D. Floor of mouth
Melanin pigmentation in pregnancy is known as: A. Melasma B. Melanoma C. Epulis D. Melanosis
The common site of melanoma on the orofacial skin is: A. Lower lip B. 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 therapy D. 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. Nevus B. 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 teeth D. Tetracycline staining of teeth
Yellowish discoloration of teeth is seen in children fed on: A. High-protein diet B. Tetracyclines C. penicillins D. Erythromycin
The pigment associated with hemochromatosis is: A. Biliribin B. Haemosiderin C. Methemoglobin D. Myoglobin
