Download NTRUHS MD/ MS PG 2019 April Question Papers Paper-I 164 NR Radiotherapy

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Q.P.CODE:164-NR

DR NTR UNIVERSITY OF HEALTH SCIENCES:: VIJAYAWADA

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M.D. DEGREE EXAMINATION - APRIL, 2019

RADIOTHERAPY

PAPER-I : BASIC SCIENCES

Time: 3 Hours Max. Marks:100

Note: Answer all questions

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All questions carry equal marks

Draw neat diagrams wherever necessary

1. WRITE SHORT ESSAYS ON THE FOLLOWING:
   1. Characteristics of electron beam radiation
   2. Describe the physical basis of the following radionuclide decay processes:
      1. Positron decay
      2. Electron capture

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      3. Internal conversion
   3. Describe the characteristics of an ideal brachytherapy source
   4. Hyperthermia
   5. Boron neutron capture

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   6. Mechanisms of DNA repair
   7. What is Recursive Partition Analysis (RPA) and briefly describe RPA for glioblastoma multiforme?
   8. Anatomy and lymphatic drainage of carcinoma cervix and its relevance to radiotherapy planning
   9. Define relative risks and odds ratio. How will you calculate number needed to treat?
   10. Describe the molecular classification of medulloblastoma

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