FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2016
POSSESSION USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.
NUCLEAR MEDICINE
PAPER I
NM/D/16/24/I
Time 3 hours
Max. Marks 100
Important instructions:
• 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.
Write short notes on:
1. Draw a typical Gamma ray spectrum and mention the
various components.
Define Ionising Radiation.
What are the types of radioactive decay? Briefly mention
about each with their clinical significance.

2. What is Bremsstrahlung radiation? How it is different from
collisional losses? What is the practical use of
Bremsstrahlung radiation?
Calculate the P-32 Beta particle percentage radiation
losses in water and lead.

3. Chi-square test.
Student test.
5+5
4. QC of SPECT-CT scanner.
10
5. Basic design and components of a cyclotron with a
diagram.
Compartmental analysis.
5+5
6. Working principle and clinical applications of:
Liquid Scintillation Counter.
Semi conductor detectors.
5+5
7. Stochastic and deterministic effects of radiation.
Transport Index.
5+5
8. PACS- uses and architectural design
SISCOM SISCOS

9. Artefacts in PET-CT.
Attenuation correction algorithms used in PET-MRI.
5+5
10. Symptoms and management of acute radiation exposure.
Cherenkov effect and Cherenkov radiation.
5+5