Download DNB 2019 June RADIOTHERAPY RADIOTHERAPY PAPER 4 Question Paper

Download Diplomate in National Board (DNB) 2019 June RADIOTHERAPY RADIOTHERAPY PAPER 4 Previous Question Papers

FINAL EXAM
JUNE 2019
Time: 3 hours
NATIONAL BOARD OF EXAMINATIONS
RADIOTHERAPY
PAPER-IV
Max. Marksz100
Important Instructions:
Attempt all questions in order.
Each question carries 10 marks.
Read the question carefully and answer to the point neatly and legib/y.
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/f/owcharts wherever appropriate.
Write short notes on:
1 .
a)
b)
C)
a)
b)
a)
b)
Define metastasis of unknown origin(MUO).
What are common manifestations of MUO?
Management of MUO at various body sites.
Hyperthermia in malignancy.
Tumour-Iysis syndrome.
Draw a diagram showing different phases of cell cycle.
Describe briefly the importance of these phases in relation
to radiotherapy and chemotherapy.
Briefly describe their clinical relevance:
a)
b)
C)
d)
a)
b)
Mitotic Index (Ml)
Labelling Index (LI)
Growth fraction (GF)
Potential doubling time (Tpot)
Classify chemotherapeutic drugs in relation to different
phases of cell cycle. Add a note on drug resistance.
Describe the radiobiological mechanisms of radiation
sensitization by chemotherapy drugs and enumerate the
rationale in sequencing RT + CT.
Describe the rationale in screening for cancer. What is the
importance of screening in general population?
Which tumours are considered suitable for a screening
program in our country? What are the recommendation for
screening of breast cancer?
Define plating efficiency.
Mechanism of cell killing by ionizing radiation.
L-Q model.
-1-
RTH/J/19/41/IV
2+3+5
5+5
4+6
2.5X4
4+6
6+4
2+4+4
P.T.O.
POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.

FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
JUNE 2019
RADIOTHERAPY
PAPER-IV
8. a) Radiobiologic basis of fractionation. 2+2+6
b) What will happen if total dose is given at a time?
0) Acute, subacute and late toxicities of accidental whole body
radiation exposure and its management.
9. a) WHO ladder for pain management. 4+3+3
b) Basics of morphine prescription.
c) Buprenorphine and fentanyl patch.
10. a) Role of PET-CT scan in Oncology, its principles, its benefit; 7+3
limitations and its impact on radiotherapy planning.
b) RECIST versus PERCIST criteria.
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-2-
POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.