Download DNB 2020 June Gastroenterology Paper I Question Paper

FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
JUNE 2020
GASTROENTEROLOGY
PAPER-I

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Time: 3 hours
GASTRO/J/20/10/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. In relation to motility disorders of the esophagus:
4+6

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a) Draw a schematic diagram showing the Chicago classification based on
esophageal motility findings.
b) The current status of per-oral endoscopic myotomy in treatment of
esophageal diseases.
2. a) Define the fol owing three terms giving an example of each:

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6+4
i.
Case-control study.
i .
Cohort study.

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i i.
Interventional study.
b) List the advantages and disadvantages of each of these study designs
over the others.
3. In relation to human nutrition, write briefly on:

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5+5
a) Bio-impedance analysis.
b) Short bowel syndrome.
4. Describe the gastrointestinal changes and involvement in patients with:
4+6

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a) Myasthenia gravis.
b) Diabetes mel itus.
5. A 22-year-old male presented with chronic constipation and hard stools for 4
4+3+3
years. There was no history of fever or weight loss. He was found to an ulcer

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at 8 cm in the rectum. Discuss:
a) Most likely diagnosis and differential diagnosis.
b) How would you investigate?
c) How would you treat?
6. a) List the various methods used at endoscopy to diagnose Helicobacter

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3+7
pylori infection.
b) Discuss the relative strengths and weaknesses of each of these tests.
P.T.O
-1-

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

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FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
JUNE 2020

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GASTROENTEROLOGY
PAPER-I
7. Describe in brief the fol owing:
5+5
a) Anatomical components of the upper esophageal sphincter.

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b) Brunner's glands.
8. a) Diagnosis and treatment of Giardia lamblia infection.
(3+3)+4
b) The interaction of IgA deficiency and Giardia lamblia.
9. In relation to patients with diarrhea, discuss the fol owing:

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7+3
a) Clinical and laboratory distinction between osmotic and secretory
diarrhoea.
b) List three conditions each causing the above types of diarrhoea.
10. Discuss the tests used to measure gastric emptying rate.

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10
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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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