Question: Lichenoid reactions are mainly due to:____________?

• 1. intake of certain drugs
• 2. betel nut chewing
• 3. cigarette smoking
• 4. intake of alcohol

Question: L.E Cell phenomenon in peripheral blood is seen in:__________?

• 1. Rheumatic heart disease
• 2. Infective endocarditis
• 3. Ischemic heart disease
• 4. Systemic Lupus Erythematosus

Question: Which of the following is inherited as a autosomal dominant triat?

• 1. Lichen planus
• 2. Bullous pemphigoid
• 3. Pemphigus yulgaris
• 4. White sponge nevus

Question: Histopathological study of lichen planus shows:___________?

• 1. Mixed cellular inflammatory infiltrate
• 2. Presence of T-lymphocytes predominantly
• 3. Antiepithelial antibodies
• 4. Scattered infiltrate with ill-defined lower border

Question: Pemphigus is characterized by:____________?

• 1. Acanthosis
• 2. Acantholysis
• 3. Hyperorthokeratosis
• 4. Hyperparakeratosis

Question: In ectodermal dysplasia all of the following structures are affected except:___________?

• 1. Hair
• 2. Nails
• 3. Teeth
• 4. Salivary glands

Question: Scleroderma involves:__________?

• 1. Tightening of oral mucosa and periodontal involvement
• 2. Multiple palmar keratosis
• 3. Raynaud’s phenomenon
• 4. All of the above

Question: Erythema multiformae is:___________?

• 1. An acute self limiting disease, of skin and oral mucous membrane
• 2. painless vesicular self limiting disease
• 3. A viral disease
• 4. Bacterial infection

Question: Darier’s disease is associated with:____________?

• 1. Pernicious anaemia
• 2. Rickets with involvement of teeth and bones
• 3. Vitamin A deficiency and involvement of oral epithelium and skin
• 4. Diffuse tender ulceration on the palate predominantly

Question: Koebner’s phenomenon is seen with_____________?

• 1. Erythema multiforme
• 2. Pemphigoid
• 3. Psoriasis
• 4. Impetigo