Download DNB 2020 December Neuro Surgery Part IIfInal Paper I Question Paper

FINAL EXAM

DECEMBER 2020

NEURO SURGERY (PART-II/FINAL)

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PAPER-I

Time: 3 hours NS2/D/20/21/

Max. Marks: 100

Important Instructions:

• You are provided with 5 answer sheet booklets. Each individual answer sheet booklet consists of 10 pages excluding the covering jackets.

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• 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.
• Read the question carefully and answer to the point neatly and legibly.

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• 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.
• Draw table/diagrams/flowcharts wherever appropriate.

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Write short notes on:

1. Draw a labelled diagram of: 4+3+3

   1. Superior orbital fissure and structures passing through it.
   2. Floor of fourth ventricle.
   3. Histopathology of medulloblastoma.

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2. a) Draw a pressure volume curve. 2+2+3+3

   b) Define cerebral compliance.

   c) Effect of cerebral perfusion pressure on compliance in traumatic brain injury.

   d) Risks and benefits of ICP monitoring.

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3. a) Pathogenesis and pathology of traumatic axonal injury. 5+5

   b) How DAI is graded?

4. a) The process of apoptosis in brain. 7+3

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   b) How apoptosis differs from necrosis?

5. a) Innervation of urinary bladder. 5+5

   b) Physiology of micturition.

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6. Hypernatraemia: 3+4+3

   1. Diagnostic criteria.
   2. Management.
   3. Outcome and complications.

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7. Surgical anatomy of anterior cerebral artery: 3+2+2+3

   1. Course.
   2. Segments.
   3. Branches.
   4. Clinical effects on occlusion.

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8. Phenytoin sodium: 3+3+1+3

   1. Mechanism of action.
   2. Indications.
   3. Dose.

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   4. Side effects.

9. Cavernous sinus: 3+4+3

   1. Anatomy.
   2. Surgical approaches.

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   3. Parkinson's triangle.

10. a) Blinding in randomized controlled trial. 5+5

    b) Levels of evidence.

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P.T.O.

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

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