Download DNB 2020 June Dermatology Venereology And Leprosy Paper I Question Paper

FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
JUNE 2020
DERMATOLOGY, VENEREOLOGY & LEPROSY
PAPER-I

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TIME: 3 HOURS
DVD/J/20/06/I
MAX. MARKS: 100
Important Instructions:
Attempt all questions in order.

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Each question carries 10 marks.
Read the question careful y 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.

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Start the answer to a question on a fresh page or leave adequate space between two
answers.
Draw table/diagrams/flowcharts wherever appropriate.
Write short notes on:
1. a) Draw a label ed diagram of dermo-epidermal junction.

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5+5
b) Briefly write about the pathogenesis of epidermolysis
bullosa.
2. a) Diagrammatic representation of hair cycle.
5+5

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b) Role of trichoscopy in hair shaft disorders.
3. a) Principle of dark field microscopy and its uses in
5+5
Dermatology.
b) Reflectance confocal microscopy in dermatology.

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4. a) Write a note on pilosebaceous unit.
3+4+3
b) Write a note on composition of sebum and its function.
c) List the diseases of the sebaceous glands.
5. a) Pathophysiology of al ergic contact dermatitis.

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5+5
b) Non eczematous forms of allergic contact dermatitis with
their causative allergens.
6. a) Case control study vs Cohort study.
4+2+4

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b) Sample size determination.
c) Types of sampling methods.
7. Koebner (isomorphic) phenomenon:
2+3+2+3
a) Definition.

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b) Types.
c) Pathogenesis.
d) Clinical significance.
8. a) Outline principles of wound healing.
4+3+3

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b) Factors responsible for abnormal wound healing.
c) Novel therapies in wound healing.
P.T.O
-1-
POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION

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HALL.

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FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
JUNE 2020
DERMATOLOGY, VENEREOLOGY & LEPROSY

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PAPER-I
9. a) Interface
dermatitis:
definition
and

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characteristic
6+4
histological features.
b) Discuss dermatologic disease having interface dermatitis,
with their characteristic histological features.

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10. a) Define cutaneous mosaicism and its significance in
5+5
dermatological disorders.
b) Pigmentary demarcation lines: definition and types.
************

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-2-
POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION
HALL.

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