Download DNB 2020 December Dermatology, Venereology And Leprosy Paper I Question Paper

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FINAL EXAM

DECEMBER 2020

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DERMATOLOGY, VENEREOLOGY AND LEPROSY

PAPER-I

Time: 3 hours DVD/D/20/06/1

Max. Marks: 100

Important Instructions:

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• You are provided with 5 answer sheet booklets. Each individual answer sheet booklet consists of 10 pages excluding the covering jackets.
• Answers to all the questions must be attempted within these 5 answer sheet booklets which must be later tagged together at the end of the exam.
• No additional supplementary answer sheet booklet will be provided.
• Attempt all questions in order.
• Each question carries 10 marks.

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• Read the question carefully and answer to the point neatly and legibly.
• Do not leave any blank pages between two answers.
• Indicate the question number correctly for the answer in the margin space.
• Answer all the parts of a single question together.
• Start the answer to a question on a fresh page or leave adequate space between two answers.

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• Draw table/diagrams/flowcharts wherever appropriate.

Write short notes on:

1. a) Draw a labelled diagram of dermo-epidermal junction. 5+5
   b) Discuss differential diagnosis of disorders with sub-corneal split.
2. a) Stem cells and their properties. 3+3+4
   

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   b) Cutaneous stem cells.
   c) Role of cutaneous stem cells in the regeneration of other tissues.
3. a) Case control study vs Cohort study. 4+2+4
   b) Sample size determination.
   c) Types of sampling.

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4. a) Describe histology of normal oral mucosa. 4+4+2
   b) Palisading granulomatous reaction.
   c) Histopathology of acne rosacea.
5. a) Describe skin as an endocrine target. 6+4
   b) Vitamin D synthesis in skin.

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6. a) Antimicrobial peptide 3+3+4
   b) Mast cell.
   c) Adhesion molecule.
7. a) Neurophysiology of itch. 6+4
   b) Enumerate mediators of itch and their corresponding anti-itch agents.

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8. a) Outline principles of wound healing. 4+3+3
   b) Factors responsible for abnormal wound healing.
   c) Novel therapies in wound healing.
9. a) Prenatal diagnosis of Genodermatoses. 4+6
   b) Differential diagnosis of Genodermatosis associated with photosensitivity.

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10. a) Role of trichoscopy in hair shaft disorders. 4+3+3
    b) Photo patch test.
    c) Hair pull test.

P.T.O.

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