DNB 2020 Dec Previous Question Papers-(Diplomate of National Board) Under NBE
FINAL EXAM
DECEMBER 2020
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NEURO ANAESTHESIA
PAPER-I
Time: 3 hours
Max. Marks:100
N.ANS/D/20/94/I
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Important Instructions:
- 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.
- 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.
- Draw table/diagrams/flowcharts wherever appropriate.
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Write short notes on:
- Outline the indications for central venous cannulation in neurosurgical patients. Briefly mention the two common techniques and their complications. 5+5
- Role of dexmedetomidine in neuroanaesthesia practice. 10
- Discuss the cerebrospinal fluid dynamics. Briefly mention the effect of commonly used anaesthetic drugs on CSF. 8+2
- Discuss the concept of cerebral autoregulation and carbon dioxide reactivity. Describe the intracranial pressure-volume relationship. 7+3
- What is the rationale of hyperosmolar therapy in neuroanaesthesia? Compare Mannitol versus Hypertonic saline. 4+6
- Elucidate the pharmacological effects of inhaled anaesthetics on cerebral blood flow, metabolism and autoregulation. 4+3+3
- Describe the mechanism of injury following cerebral ischemia. Briefly outline the strategies for cerebral protection. 7+3
- Enumerate the physiological changes in a pregnant patient and their clinical significance in a patient undergoing neurosurgical procedure. 7+3
- Enumerate the various invasive techniques to measure intracranial pressure. 10
- Discuss the principle and applications of cerebral oximetry/near-infrared spectroscopy (NIRS). Mention the limitations of NIRS. (3+4)+3
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